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The 14 Best Portable Chargers of 2024

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Travel + Leisure / Marcus Millan

There’s nothing worse than grabbing your phone or laptop while traveling and realizing your battery is completely drained. A portable charger is one of the most useful travel items, especially when you find yourself in a tricky situation with no access to an outlet. Whether you’re exploring in a campervan and need a hefty charger to handle your laptop, or boarding a plane and in need of something super compact to charge your smartphone, there’s a portable charger for all types of travelers’ needs so you don’t find yourself in a powerless pickle. 

With so many choices on the market, we’ve narrowed down your search by prioritizing features like weight and size for portability, functionality, power, and battery capacity. These are the 14 best portable chargers of 2024 to make sure you stay connected wherever you go.

Best Overall

Nimble champ portable charger.

It’s lightweight and pocket-sized.

If you need more capacity, consider upgrading to the Pro version which provides 20,000 mAh.

The Nimble Champ is “smaller than a deck of cards” and incredibly lightweight, making it an ideal travel companion. This tiny but mighty backup charger comes in a spectrum of colors, allowing you to match it to your personality. It’s also extremely functional, with the ability to charge two devices at once and compatibility with a wide array of phones, tablets, Apple MacBooks, and fitness trackers. The dual USB-C power delivery offers high-speed charging to almost any device and the capacity to charge most smartphones up to three times. In fact, with this charger, you can get your smartphone back up to an 80 percent charge in just half an hour. The included lanyard makes it easy to tote around, whether on your wrist or attached to your bag. We also love that it’s crafted out of 90 percent certified recycled plastics with a free e-waste recycling option for your old, unused devices.

The Details: 3.38 x 2.28 x 0.98 inches  | 6.2 ounces | 10,000 mAh | 1 USB-C, 1 USB-A

Best With Built-in Cords

Charmast portable charger.

It can charge up to six devices at the same time.

The attached cords are short.

The slim and travel-friendly Portable Charger with Built-in Cables on Amazon is our top choice for those who need a variety of included cords for multiple devices. With six outputs and three inputs, this charging device is ideal for people with an array of different types of electronics, from smartphones to tablets, and micro devices. Its lightweight and slim profile make it easy to throw in your bag without taking up too much space. Each included cable can be tucked into the back of the device, keeping things organized so you don’t have to spend time untangling a mess of wires. Check the digital display screen to keep track of how much battery is left on your backup charger so you can plan appropriately (and it will take between four and a half to six hours to fully recharge). When at full capacity, this backup charger can power up your smartphone twice, your tablet up to 1.5 times, and much more.

The Details: 5.71 x 2.68 x 0.51 inches | 0.63 ounces | 10,000 mAh | USB-C, Micro USB, built-in charging USB-A cable (input); 2 USB-A and 1 USB-C and built-in Micro USB, USB-C, and Lightning cables (output)

Most Compact

Tntor portable charger for iphone.

It has a built-in lightning cable for charging iPhones.

Phones with USB-C ports (like Androids and newer iPhones) will need to supply their own C to C cable to charge.

The ultra slim Tntor Portable Charger for iPhone wins the award for “most compact” with a 6-millimeter thickness and credit card size. Specifically designed for iPhone users, the built-in cord means it’s ready to charge and you don’t have to tote around a separate cord. At 5,000 mAh, this charger is carry-on compatible and can charge not just your iPhone, but other lightning-equipped devices including an iPad, iPad mini, and AirPods. This is an ideal charger for those who don’t need to charge multiple devices and only need to top off their iPhone en route to their next destination. It offers one full charge when at 100 percent capacity and requires a three-hour charging time. The Intelligent Control Circuit feature protects your devices from overcharging, as well as other problematic issues such as over-voltage, short circuiting, temperature protection, and over-current.

The Details: 4.84 x 2.6 x .24 inches | 4 ounces | 5,000 mAh | USB-C (input); built-in Lightning cable (output)

Best Wireless

Podoru wireless portable charger.

Paired with a magnetic case, it can charge right on the back of your phone without a cord.

It will only work with a magnetic case (purchased separately) and is compatible with iPhone 12 series and higher.

Indulge in the luxury of leaving your cords behind with the Podoru Wireless Portable Charger that can power up to three devices with its magnetic charging capability. Compact with an impressive capacity to recharge your phone up to two and a half times, it’s an ideal option for travelers or those on the go for long stretches of time. The LED display shows how much battery is left in your charger — and, if you need to top off other devices in addition to your phone, two extra input and output ports allow you to do so. There are eight built-in low temperature ice cores and a protective safety system not just for temperature control, but also short circuit and overcharging protection as well. Thanks to its silicone shell, it’s easy to grip and with a soft exterior that won’t scrape your device when connected magnetically. 

The Details: 5.67 x 3.43 x 0.94 inches | 6.5 ounces | 10,000 mAh | USB-A (output); USB-C (input/output)

Best With Stand

Aoguerbe magnetic power bank.

The stand is foldable and compact.

It’s a little bulkier than other models we’ve seen.

We love the folding stand that’s built into the design of the Aoguerbe Magnetic Power Bank. It allows you to charge your iPhone without the hassle of a bunch of cords when paired with a magnetic phone case. Charge up to three devices at a time, with the capacity to bring your iPhone to 100 percent up to two times per fully charged power bank. The included stand folds down to keep the compact profile of the power bank and can be used to keep your phone upright in either a vertical or horizontal orientation. The charger also won’t block your camera lens, so you can easily continue to use your phone while it’s being charged. Built-in temperature control and other safety protection helps ensure this device won’t damage your phone or overheat. 

The Details: 4.09 x 2.68 x 0.86 inches | 6.7 ounces | 10,000 mAh | USB-C and Lighting (input); USB-C and USB-A (output)

Best for Tablets

Eggtronic laptop power bank.

It can charge your tablet up to four times.

  Due to its powerful capacity, it’s larger and heavier than comparable power bank models.

We love the powerhouse Eggtronic Laptop Power Bank for so many reasons: it has the capacity to charge multiple devices twice as fast as standard models, and boasts a relatively compact size and sleek design. This universally compatible power bank can refuel the battery on not just your smartphone or tablet, but also laptops, cameras, bluetooth devices, and more. The LCD display shows the current battery life so you can stay up to date on its capacity. This durable device is a great travel companion for anyone; from professionals that need to stay in touch on the road, to those exploring the great outdoors on a multi-day camping trip. When it’s time to recharge the power bank itself, it’ll only take about three hours which is impressive for such a powerful device. 

The Details: 6.75 x 4 x 0.63 inches | 1.34 lbs | 20,000 mAh | 2 USB-A (output); USB-C (input/output)

Best for Laptops

Anker 747 power bank.

It can fully charge an entire MacBook Air.

It’s rather heavy — and expensive — if not using it to charge laptops often.

For travelers who are working en route to their destination and need to keep their laptop consistently charged, the Anker 747 Power Bank is our top choice. Compatible with a wide range of brands including Dell and Apple, this power bank can refuel computer batteries in anywhere from two to three hours. Charge up to four devices at once, and enjoy the long-lasting capacity that can power an iPhone 13 Pro up to five times before needing to be charged itself. Paired with the included Anker 65W 515 wall charger, this power bank can reach 100 percent in two and a half hours versus more than 17 hours without. Built-in sensors offer advanced temperature control to make sure the device doesn’t overheat while the battery management system prevents overcharging. 

The Details: 7.2 x 3.23 x 0.95 in | 1.34 pounds | 25,600 mAh | 2 USB-C, 2 USB-A

Best Multi-device Charging

Anker prime 27,650mah power bank.

It charges three devices at once.

This charger is over the mAh limit for traveling on some airplanes, so it’s best to check with the airline before bringing it with you on board.

For those who need a power bank that can charge multiple devices (and fast), the Anker Prime 27,650 mAH Power Bank is a fantastic choice. While not necessary to use, the accompanying app shows you up-to-date stats, and can also help to locate your power bank with sound alerts should you misplace it. This exceptionally functional power bank can recharge a smartphone more than four times and a MacBook Air more than once before needing to be reloaded. Using the dual USB-C ports, the power bank itself can be recharged in less than 40 minutes. As a bonus, this soda-can-sized charging bank comes with its own travel pouch. The built-in active shield prevents the charger from overheating and other safety issues. 

The Details: 6.37 x 1.96 x 2.24 inches | 1.47 lbs | 27,650 mAh |  USB-C, Lightning (input); USB-C, USB-A (output)

Best Fast Charging

Ugreen 145w power bank.

It can charge a MacBook Air in 90 minutes.

While compact, it’s a bit heavier than other models.

Not only does the Ugreen 145W Power Bank charge devices quickly, but it also can be charged back to 100 percent in under two hours using the two-way fast charging. This requires an additional purchase of a 65W charger . Because it has 145 watts in output, it can recharge a laptop more than once and a smartphone more than five times all at a rapid speed. The smart digital display keeps you in the loop with how much battery is left in the power bank. It’s also compatible with so many devices, from smartphones to drones, that you won’t be limited with what you can charge as you travel. With three ports, you can charge a few devices at a time as well. 

The Details: 6.3 x 3.18 x 1.05 inches | 1.11 lbs | 25,000 mAh | 1 USB-C, 1 USB-A (output); 1 USB-C (input/output)

Best LED Display

Vnbbt magnetic wireless power bank.

The display shows both the available charge left on the device and the progress of the item it’s charging.

It’s not compatible with non-magnetic phone cases.

Take the guesswork out of charging when using the Vnbbt Magnetic Wireless Power Bank, thanks to its incredibly accurate LED display feature. It can be fully charged for your travels within two and a half to four hours. Its ultra compact, lightweight design makes it easy to bring along with you. The material is non-slip so you don’t have to worry about grip being an issue while using the magnetic charger paired with a magnetic phone case. The display is simple, quickly informing you of how much charge is left to go and how much is on the power bank itself so you can plan accordingly. Charge your iPhone in less than 45 minutes and power up two other devices at the same time. 

The Details: 7.87 x 3.94 x 0.79 inches | 8.1 ounces | 10,000 mAh | USB-C (input/output), USB-A (output), and magnetic wireless charging

Best for Android

Iwalk small usb c portable charger.

It’s lipstick-sized and very portable.

The battery life isn’t that impressive compared to other power banks.

Specifically designed for Android users, this tiny portable charger easily fits in a bag or even your pocket. The iWalk charger is cordless as well, so you don’t need to provide a cord or untangle wires when you want to use it; simply plug it directly into the USB-C port. Although there isn’t an LED display to show the percentage of battery left, there are indicator lights to track the power level. It’s designed to prevent over-charging, short circuiting, and temperature control while using as well, so you can have peace of mind if you need to step away. In general, it takes approximately two and a half hours to recharge this portable device. 

The Details: 3 x 1.8 x 1 inches | 0.071 ounces | 4,500 mAh | USB-C (input), USB-C (output)

Best With A/C Outlet

Sinkeu portable laptop phone charger.

It includes an actual plug as well as a cord for charging via a car cigarette lighter.

There are no slots for a USB-C.

For a power bank with an actual built-in plug, the SinKeu 65 Watt Portable Laptop Phone Charger is our top pick because of its portability and versatility. This power bank is fantastic for charging laptops, tablets, and other compatible devices like certain camera batteries (65 watts and under) that need a typical plug port. The 12V port is great for recharging speakers and other devices that require that output, while the 5V port is perfect for refueling your cell phone up to eight times before needing to be recharged itself. For compatible laptop models, it can provide a full charge twice, making this a great option for travelers with a wide array of devices. The included cigarette lighter plug makes it possible to recharge this power bank in your car as well. To fully recharge, it takes approximately four hours. 

The Details: 6.8 x 3.8 x 1.8 inches | 1.1 lbs | 24,000 mAh | 2 USB-A, 110V AC outlet, 15V (input), 12V (output)

Best Colors

Charmast small portable charger.

It’s small and comes in a fun spectrum of colors.

It’s difficult to plug your phone into the charger if you have a case.

We love the colors and size of the Charmast Small Portable Charger that can easily fit in your pocket or purse. This charger has the ability to be fully recharged within an hour and a half when using a 9V-2A fast charger (or three hours with a standard one). Although it doesn’t have the capacity to fully power your smartphone back to 100 percent, it can provide up to 65 percent charge which is a great option for most travelers who just need to top up a device throughout their journey. It can, however, recharge AirPods up to six times. With no additional cords needed, plug it directly into your phone’s lightning port (and it’s also offered with a USB-C instead for Google, Samsung or iPhone 15 devices). With colors like pink, green, blue, orange, black, and white, you can match this portable charger to your phone’s case (or whatever suits your mood!)

The Details: 1.38 x 3.03 x 0.97 inches | 4.7 ounces | 5,000 mAh | USB-C (input), Lightning port (output)

Best With Wall Plug

Brand q ultra slim portable charger.

It’s ultra slim and offers 5-in-1 types of charging.

The built-in cords are stiff and not easy to manipulate.

We love that the built-in wall plug on the Q Slim Portable Charger folds into the power bank to keep a slim profile for transport and that this option comes with its own case. With three included cords, this universal charger is ideal for all types of phones, and you won’t have to bring additional cords along on your adventures. Most phones can be charged between two and a half to four times before needing to recharge the power bank. The included “Intelligent Power Management IC” makes sure your devices will be protected from short circuit, overheating, and overcurrent issues while in use. Another great feature is that you can charge your phone from the power bank while also charging the power bank from the wall plug.

The Details: 6.29 x 2.95 x 0.6 inches | 12.1 ounces |  10,000 mAh | Micro USB, AC (input); Lightning, USB-C, Micro USB (output)

Tips for Buying Portable Chargers

Consider charge potential and timing.

When shopping for a portable power bank, one of the main features to look out for is the capacity for fully charging your devices, especially your smartphone. If you have long travel days with little opportunity to plug your phone in and your backup charger can only offer half a charge to top it off, that may not work for you. Another thing to consider is how long it will take to recharge each of your important devices, as well as the length of time it will take to recharge the power bank itself. Most people can recharge a power bank overnight if it takes more than a couple of hours, but you need to look at your precise needs while on the go.

Decide how much capacity you need

All of the numbers referring to capacity in mAh and watt hours can be a little tricky to understand when deciding what you’ll need. The term mAh means “milliampere-hour” and measures the units of electric charge, or how much power it can hold. This will be the difference between being able to charge just one device at a time versus multiple, and/or charging your phone multiple times or even a laptop at all. If you just need to top off your phone and keep it from getting to zero percent, something below 5,000mAh should do the trick. If you need to charge your phone constantly or have more than one device, something more than 10,000mAh might be for you.

Since the Federal Aviation Administration (FAA) and Transportation Security Administration (TSA) have rules for rechargeable batteries and power banks measured in the max watt hours allowed, you’ll need to know how to convert the mAh listed for the power bank or charger into watt hours to see if your device can come along with you. To do this, you’ll need to multiply milliamp hours by volts then divide by 1,000. So, if you take the Eggtronic Laptop Power Bank listed above, it’s 20,000mAh at 5V, making it equivalent to 100 watt hours. 

The FAA and TSA state that any spare battery with more than 100 watt hours or 27,000mAh needs to have approval from the airline.

Look at the types and numbers of ports

One of the most important aspects of choosing a power bank is to make sure it will be compatible with your devices. The last thing you want is to purchase a back-up charger that’s only suitable for an iPhone when you have an Android. There are numerous options that offer more than one type of port. The most common inputs and outputs are USB-A and USB-C, as well as lightning ports (for Apple devices). Some models offer a wall plug or cigarette lighter adapter as well, perfect for those who need to charge a device from the car or have to charge something with a physical plug. 

It’s important to note that regulations will have lightning ports outdated for future iPhones due to the European Union’s ruling that all smartphones need to have the USB-C charging port in common.

A portable charger or power bank is a great back-up solution to ensure you don’t run out of battery on your devices such as smartphones, tablets, and laptops. They provide an extra lithium-ion battery-powered source that can connect to a wide array of devices, depending on their ports or magnetic charging capabilities. When connected, they transfer their stored energy to the electronic device plugged in. Typically, they are small enough to fit in your bag without taking up too much space, and some are even compact enough to fit in your pocket.

Yes, it’s possible to bring most portable chargers on an airplane, though there are restrictions to abide by: it’ll have to stay in your carry-on luggage that you’ll have with you in the cabin, as it can’t be in a checked bag. It also can’t possess more than 100Wh (watt-hours) or 27,000 mAh capacity. If your power bank has a larger capacity than this, you’ll need approval from the airline.

Why Trust Travel + Leisure

T+L contributor Lauren Breedlove used her first-hand experience as a travel writer and photographer on-the-go who often needs to keep her devices charged for all of her adventures. She tapped into her knowledge of using different power banks and backup charger brands to curate this list for every need, big and small.

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The 11 Best Portable Power Bank Chargers for Travel [2024]

Amar Hussain

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Things To Look for in a Power Bank

1. pint-sized perfection for single-use charging, 2. superstar power bank offering dual charging, 3. a great little charger that packs a punch, 4. a great all-around charger for days out and long journeys, 5. a firm favorite for those who need power, 6. one of the best-loved power banks ever made, 7. a great choice for charging small laptops on the go, 8. best value power bank for outdoor adventures, 9. 2 power banks for all your charging needs, 10. great for gamers on the go, 11. great for vacations and overnight stays, final thoughts.

We may be compensated when you click on product links, such as credit cards, from one or more of our advertising partners. Terms apply to the offers below. See our Advertising Policy for more about our partners, how we make money, and our rating methodology. Opinions and recommendations are ours alone.

When you’re miles from anywhere, a portable power bank can quickly become your very best friend.

Giving an extra burst of battery life to your cell phone or iPad can keep you amused for longer, or more importantly, ensure that you’re always able to get in touch with the rest of the world.

Size and Weight

Your power bank is designed to be portable, otherwise, what’s the point?! With this in mind, the physical size and weight of it will be major factors in considering which one is right for you.

The charger should be able to fit neatly in the same space as your cell phone; otherwise, you’ll have one in your pocket while carrying the other in your hand — not cool!

Bottom Line: Look for one that will fit neatly in your pocket, purse, or backpack . While power banks should have a sturdy feel about them, they shouldn’t be uncomfortably heavy, so opt for one that’s light enough not to weigh you (or your pockets) down.

Milliamp (mAh)

The power capacity that your power bank kicks out is measured in milliamp-hours or “mAh.” The amount of mAh available will define how much charge you can expect to get out of your power bank.

Common capacity ratings range from 2,000mAh to 20,000mAh and in some cases, even as high as 40,000mAh. To give you a rough idea of how the amount of mAh juice in the bank affects what you can charge and how often, consider the following:

• An iPhone 7 can be charged approximately 6 times with a 20,000mAh power bank
• A Samsung Galaxy S8 can be charged approximately 4.5 times with a 20,000mAh power bank
• An iPad mini can be charged approximately 4 times with a 20,000mAh power bank

Think about what devices you need a power bank for and how long you’ll be away from a power outlet. If you just need something to keep your phone topped up a couple of times a day, a 5,000mAh or 10,000mAh will do the job just fine and it will be physically smaller, too.

Hot Tip: Most airlines will cap power banks at 20,000mAh while some will allow larger. Always check with your airline as to what the maximum capacity requirements are.

Inputs (1A, 2A, or 2.4A)

At some point, your power bank will need charging up to ensure it can provide the backup charge power you need. What you want is a nice, quick recharge speed that means you can get back out there without having to be attached to a wall socket for hours on end.

The input charging speed is dependent on the type of wall charger used. A standard wall charger with a 2A output would recharge the power bank twice as fast as one with only a 1A output. For this to happen, your power bank would need to offer a 2A input.

While some do offer this, many still rely on a 1A input which will take longer to reach a full charge.

Hot Tip: Newer power banks can be charged even more quickly with the addition of a 2.4A input option. Look out for these if you want the fastest charge on the market. 

The 11 Best Portable Power Banks for Travel

Anker PowerCore, 5000 mAh Ultra-Compact Portable Charger

Capacity: 5,000mAh

Lightweight and super useful, this tiny, compact charger is enough to provide 2 full charges for your iPhone 8 or 1 charge for your iPhone X or Samsung Galaxy S9.

Measuring 4.5 x 1.3 x 1.3 inches and weighing 4.8 ounces, you’ll have no problem fitting this handy charger in your pocket or purse on the go.

With a fairly impressive battery capacity of 5,000mAh, this product is well-made and is an excellent example of an established brand squeezing good-quality components into small packages.

The charger features PowerIQ technology that identifies the type of device it’s charging to optimize efficiency, as well as a VoltageBoost to overcome cable resistance for top-speed charging.

With both a USB and micro USB port and the ability to be fully recharged in as little as 3 to 4 hours, this small battery pack will be with you on every adventure.

As a one-off, emergency charger, this is one of the best in the business. When you need that little bit extra, you can retrieve this from your handbag to allow you to stay charged on the go.

There’s no real downside to this particular power bank, but if you want more power, you’ll need to invest in a model with more capacity. As with all Anker chargers, this model also comes with an 18-month warranty.

What We Like

• Comes with a travel pouch

What We Don’t Like

• Doesn’t include a USB-C cable

• Lanluk Portable Charger Power Bank

Capacity: 25,800mAh

This is a popular and very impressive power bank from Lanluk. With 2 incredibly fast USB ports, powerful and efficient lithium-ion batteries, and a highly portable design, this is a great option for anyone who needs to boost their power on the go.

Measuring just 5.9 x 3 x 0.6 inches and weighing 12.3 ounces, the slightly heavy feeling in your pocket is more than made up for by the superfast charging capability it offers.

This power bank has 2 USB ports that can be used to charge multiple devices at the same time — 1 2.1A outport and 1 1A outport. The unit also offers Auto IC technology that very cleverly identifies your device for maximum charge efficiency .

Different devices will vary on how many times they can be charged, but to give you an idea, your iPhone 8 could be charged a whopping 7 times when this power bank is fully charged.

• Charges 2 devices at once
• Recharge of the power bank could be quicker

• TG90 6000 mAh Portable Charger

Capacity: 6,000mAh

Compact and lightweight, this small power bank is incredibly portable. Weighing in at just 4.3 ounces and measuring only 4.1 x 0.5 x 2.6 inches, complete with cables, it’s one of the smallest 6,000mAh chargers available .

This TG90 power bank can easily fit in your pocket, purse, or day bag for easy charging on the go and its tiny size belies its powerful charging capabilities. Built-in iPhone and Android cables mean you don’t need to remember to bring your cables, and there are 2 additional 2A outputs (USB and Type-C) for charging multiple devices.

When it comes to charging your power bank back up, this can be done in as little as 3 hours without other connections, or you can charge up while charging your portable devices at the same time. If you happen to be short of light, this power bank also has a handy built-in LED flashlight.

This is a great power pack for the price, and should you run into any problems, you can relax knowing that it comes with a 12-month manufacturer’s warranty.

• Small and lightweight to fit in any bag
• Only holds a charge for 1 or 2 phones

• Anker 321 Power Bank

Capacity: 5,200mAh

The Anker 321 Power Bank   offers a handy amount of extra capacity for keeping your iPhone, Android phone, iPad, or tablet topped up while you’re away from home.

Measuring just 3.78 x 1.78 x 0.91 inches and weighing 4.5 ounces, you’ll easily be able to take this everywhere with you.

Using Anker’s PowerIQ device-detection technology, charging times will be adjusted to help reduce charging time and increase efficiency, depending on what device you have plugged in.

With a USB-A and USB-C port, you can charge 2 devices at the same time and this compact portable charger has enough power to charge your iPhone 13 once. The bright LED indicators show the power level at a glance.

This is a great portable charger from one of the best brands on the market. Affordable and efficient, this won’t last you for weeks on end, but it will provide you with more than enough power for an extra charge or 2 when you need it the most.

• Comes with an 18-month warranty
• Doesn’t come with an iPhone charging cable

• Anker PowerCore II 10000 Ultra Slim Power Bank

Capacity: 10,000mAh

The upgraded PowerCore II is an impressive power bank that features Anker’s new charging chip.

Being able to squeeze the power into a single chip makes for a lighter and more powerful charger that’s more portable than ever before. Measuring 5.39 x 2.6 x 0.59 inches and weighing just 7.52 ounces, you can easily pop this in your handbag, backpack, or pocket.

Kicking out 10,000mAh of power, you’ll be able to charge your iPhone 8/X/XS/XS Max/XR, Android smartphones, tablets, USB-C MacBook, or your iPad anywhere you go. When it comes to recharging the device itself, it can take between 4 and 10 hours, depending on the type of input you’re using.

The super-high-speed capacity means you can quickly and efficiently charge an iPhone X over 2.4 times, a Galaxy S9 2.2 times or an iPhone 8 over 3.6 times before the power bank’s battery is empty.

The PowerCore II looks as good as it functions, too, with a soft silicone surface that cushions your smartphone and helps to prevent scuffs and scratches, as well as a slim design that can rest perfectly next to your cell phone.

• Super thin to fit easily into your carry-on or laptop bag
• Only has 1 USB port

Anker PowerCore 13000

Capacity: 13,000mAh

This ultra-portable, 2-point power bank is robust enough to go anywhere with you while offering the capacity to keep your cell phone or devices topped up on the go.

Measuring 3.8 x 3.1 x 0.9 inches and weighing just 8.47 ounces, this lightweight charger is small enough to fit in your pocket, purse, or wallet alongside your cell phone.

With enough oomph to charge an iPhone 8 almost 5 times, an iPhone X or Samsung Galaxy S8 3 times, or an iPad Air 2 1 time, this is useful for anyone on the move.

The patented PowerIQ technology ensures intelligent high-speed charging for all your devices, while the VoltageBoost prevents cable resistance from slowing your charging speeds.

With simultaneous dual-port charging, you can be off on your adventures again in no time. As some of the most popular and best-selling portable chargers in the world, the PowerCore range is fast to charge up. You can have a fully charged power bank in 4 to 10 hours, depending on the cable speed.

30% lighter than other comparable power banks and just the right size to take anywhere, this is a solid option for anyone looking for more power away from home.

• Has 2 high-speed USB ports
• No wall charger included

• Sikon AC Outlet Portable Laptop Power Bank

Capacity : 31,200mAh

This is a veritable beast of a power bank that provides a whopping 31,200mAh, an AC outlet, and 3 additional USB outputs (5V/2A, and Type-C output and input 5V/3A,) all wrapped up in a thin, highly portable power bank.

Weighing in at 2.4 pounds and measuring 2.8 x 2.8 x 8.6 inches, it’s too big to fit in your pocket but should fit just fine in a large purse or laptop case. If you want to work on your laptop on the go and keep it powered up, this is a reasonably compact choice, given the amount of power it can provide you with.

While the Sikon Power Bank is compatible with numerous devices, its primary function is to keep your laptop operational no matter where you are .

It works best in association with smaller laptops such as MacBooks, MacBook Air, MacBook Pro, Microsoft Surface Pro, Dell XPS, HP TPN-C116, and THINKPAD E430, as well as some others that operate at no more than 85 watts.

It provides fast and effective charging capabilities, although 1.8 full charges of your laptop will drain the power bank entirely, meaning you’ll need to plug it into a wall socket somewhere before you head out again.

It will also charge your phone, GoPro, iPad, and even gaming gadgets, so while it works well with laptops, it’s not limited to just their use.

• The display shows the percentage of charge remaining
• The cooling fan is quite loud

BLAVOR Solar Power Bank

Great for outdoor explorers, this 10,000mAh portable power bank comes complete with carabiner, compass, and a built-in flashlight to help you stay connected and on track wherever you are.

Measuring 5.9 x 2.9 x 0.9 inches and weighing 9.3 ounces, this is a great choice for anyone needing extra power on the go.

This power bank also doubles as a Qi wireless charging device.

This power bank has a choice of micro USB, USB-A and USB-C connections. It can efficiently charge 3 devices simultaneously and most cell phones between 2 and 2.5 times on 1 full charge.

While it does offer solar power capabilities, it’s advised that this function is used as backup and that the power bank be fully charged before you set off on your next adventure.

Designed to last, this sturdy charger is IPX5 waterproof, dustproof, and shockproof and covered in flameproof material, making it a durable outdoor addition to your camping, hiking, or trekking equipment to ensure that you can reliably keep in touch with the rest of the world when you head off the grid.

The only downside to this particular model is that the solar panel seems like a bit of a gimmick, but if that doesn’t worry you, it’s still a useful little charger for using away from home.

• Great for camping or other outdoor adventures
• The solar panel isn’t something to rely on

2-Pack Miady 10000mAh Dual USB Portable Charger

Capacity: 10,000mAh each

This 2-pack of Miady power banks will ensure that your devices never run out of juice. While not in the same leagues as the more expensive, bigger brand power bars and banks on the market, the Miady portable charger is a nifty bank that will see you right for an extra charge when you need it most.

Keep both chargers for yourself or gift the second to your partner or friend. You can choose between a set of black and white power banks or a couple of other brightly colored combinations.

This power bank can charge cell phones and small devices quickly and offers 10,000mAh capability. There are 2 USB outputs on both devices, both rated at 2.4A, and a micro USB port rated at 2A.

4 LEDs light up to indicate the percentage of power remaining (each light represents 25%) and the power bank automatically powers off if no device has been connected for 30 seconds.

• Available in a few different color combinations
• Doesn’t always start charging automatically when plugged in

• Antank Power Bank For Nintendo Switch

With enough power to charge up your Nintendo Switch even while you play it, this is a medium-sized charger that measures 6.1 x 3.2 x 1.9 inches and weighs 8.8 ounces. It was the first power bank to neatly attach directly to the back of a Switch , so there’s no need to hold it awkwardly while you play.

This nifty power bank will give you between 8.5 and 12 hours of total charge playing some of your favorite Nintendo Switch games.

While this power bank has a built-in Type-C cable to connect to your Switch, there’s also a Type-C port and a USB (3A) to charge up your iPhone and other devices.

• Can be used and charged simultaneously
• Can feel quite weighty on the back of the Switch

• VimPower Portable Charger 22000mAh Battery Pack

Capacity: 22,000mAh

Made from 2 high-density, lithium polymer batteries, this multi-device charging power bank is an effective and affordable way to keep your cell phone, iPhone, or iPad fully charged on the go.

Weighing just 1.1 pounds and measuring 7.5 x 4 x 1.3 inches, this clever pack will easily fit in your purse, backpack, or laptop bag.

This power bank features 2 USB A ports, 1 Type-C port, and 2 micro USB ports, which can charge multiple devices at the same time, and it comes with a couple of charging cables, too. The highly efficient 22,000mAh capacity battery can charge most phones over 5 times, and most tablets over 4 times, meaning you can keep entertained and in touch wherever you go.

The 15W and 30W ports supply super-quick charge times that are 2 to 3 times faster than traditional power banks , and to give you an idea of this speed — an iPhone XS Max can be charged to 50% in just 30 minutes.

For its size and capability, this power bank is to back to full charge in as little as 7 hours, and should you experience problems, it does come with a full 3-year warranty from the manufacturer.

• 30W ports can charge some laptops
• Different ports aren’t clearly marked with charging capabilities

There are plenty of reasons why you should invest in a portable power bank and there are just as many types and variations for you to choose from.

Before you commit, look for a model that can charge your devices quickly and efficiently and that doesn’t take days on end to charge itself.

An efficient power bank will completely transform the way you use our portable devices when you’re away from home. Choose wisely, and you will be able to extend the battery life of your cell phone, tablet, laptop, and even small gaming consoles, literally anywhere in the world.

Love streamlining your travel tech? Don’t miss out on these other product reviews:

• The Best Portable and Mobile Wi-Fi Hotspots for Travel
• The Best Portable Bluetooth Speakers for Travel
• The Best Travel Electronic Organizers for Your Cables and Cords
• Best Travel Products – Tech & Photography Focus

Frequently Asked Questions

Can i bring a power bank on a plane.

Power banks can only be transported on a plane in a carry-on and cannot be in your checked luggage.

Airlines usually allow a 100Wh power bank with a 5V output, which equates to 20,000mAh.

Some airlines will allow 160Wh power banks if you declare it beforehand. Always check with your airline before you fly.

What is the best portable power bank?

Some of the best portable power banks that we recommend are:

• Anker PowerCore 1300
• Anker PowerCore 5000 mAh Ultra-Compact Portable Charger
• Qi Solar Power Bank

Is 20,000mAh good for a portable charger?

20,000mAh is a fairly common capacity for many portable chargers, which equates to around 6 full charges of an iPhone 7.

How many mAh is good for a portable charger?

How do i choose a portable charger.

The important things to consider when choosing a portable charger are:

• The size and weight, so it’s not too bulky for your needs
• The power capacity that the power bank kicks out (measured in milliamp-hours or “mAh”)
• The input charging speed

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About Amar Hussain

Amar is an avid traveler and tester of products. He has spent the last 13 years traveling all 7 continents and has put the products to the test on each of them. He has contributed to publications including Forbes, the Huffington Post, and more.

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The best power banks 2024: the top portable chargers from Anker, Otterbox, and more

Recharge your phone on the go with the best power banks

• Best for everything
• Best for power users
• Best MagSafe
• Best bargain
• Best Apple Watch power baAnk
• How to choose
• How we test

1. The list in brief 2. Best power bank for everything 3. Best power bank for power users 4. Best mini power bank 5. Best MagSafe power bank 6. Best cheap power bank 7. Best Apple Watch power bank 8. Best power bank combo 9. How to choose 10. How we test

A great power bank is more than just a battery, it's peace of mind. Finding the right power bank can be hard because there are so many options available, especially at the big retail store and sites. We're going to make it very easy to find a great, affordable power bank to keep you going all day long, and maybe even days longer. 

Frankly, there is one company that is making the best power banks by far, and that is Anker. Anker invested heavily in so-called GaN (gallium nitride) charging technology that makes chargers and even batteries thinner and more power efficient. 

Anker also produces batteries and chargers that are simply higher quality than anything else you'll find. Its power banks include cool features and display screens that give you more information about your devices, and its USB-C ports charge at the highest speed the iPhone 15 and most of the best phones can handle. 

We've only included wired power banks on this list that can charge at newer speeds, though wireless charging is more about convenience than speed, so some of our wireless power bank favorites are still a bit slow on the charge. 

Even if you don't have an Apple iPhone, don't shy away from MagSafe-compatible battery packs. There are MagSafe-friendly cases for most phones from Samsung, Google, and more, and those will let you use MagSafe batteries for charging and other MagSafe accessories. 

We've tested every power bank in this list, and many more, in order to bring you the best options. Below, you'll find everything from the very small to the very large; from the wired to the wireless; from innovative bricks to forms you wouldn't expect. Read on for our favorites.

The quick list

Want the simplest guide to the best power banks around? Here's our quick guide – and you can read more in-depth verdicts on each power bank by following the links. 

The best power bank for everything

The Anker 733 Power Bank is the one we never leave home without. It charges our phone and all of our accessories fast, and it's even powerful enough to charge a Chromebook or MacBook Air. 

Read more below

The best power bank for power users

The Anker Prime 250W power bank is serious overkill for most, but if you're a power geek who would love to know everything about the devices you're charging, it'll blow you away. It can also charge a laptop, phone, and more multiple times over. 

The best mini power bank

The Nano doesn't have enough juice to give you a full charge, but it makes up for that power with a pocketable size and super-convenient swing-out USB-C plug.  

The best MagSafe power bank  

The Baseus stands out through its magnets – which were strong enough to easily hold an iPhone 15 Pro Max in landscape mode in our testing – while its kickstand makes it a great desktop alternative. 

The best for cheap power bank

The Airpow may be the cheapest on this list, but it has plenty features and enough power to charge the biggest smartphone battery more than once. With a generous port selection too, it's a steal at around $20. 

The best Apple Watch power bank

Own both an iPhone and Apple Watch? The Otterbox 2-in-1 has a magnetic dock for your wearable, and also acts as a mini desk clock while the watch is charging. Very cute and convenient. 

Load the next product...

The best power bank combo

If you carry a water bottle everywhere, and you also need a spare battery, why not carry both in one device? The Tylt Bottle has two USB ports and also charges wirelessly. Oh, and the bottle is fully insulated to keep your drinks cold. 

The best power bank 2024

Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you’re buying the best. Find out more about how we test.

Below you'll find full write-ups for each of the best power banks in our list. We've tested each one extensively, so you can be sure that our recommendations can be trusted.

1. Anker 733 Power Bank (GaNPrime PowerCore 65W)

Our expert review:

Specifications

Reasons to buy, reasons to avoid.

✅ You travel a lot and need power: We never take flight without the Anker 733 in our carry on luggage. It replaces multiple wall chargers and gives us a large battery on the go.  ✅ You carry a small laptop and a phone: The Anker 733 is powerful enough to charge a laptop and a phone together. Or you can charge your phone, headphones, and smartwatch all at once.

❌ You want a more portable option: Because of its combo nature, the Anker 733 is a bit bulky and cumbersome, but if you use it both ways, it's worth the trade-off in size to have such a useful device.   ❌ You only want to charge a phone: If you don't need to charge a laptop occasionally, or you only carry a phone with no accessories, the Anker 733 is more than you need. 

The Anker 733 is a revelation, and though it isn't the most powerful or feature packed power bank on this list, it is the best overall power bank to carry if you charge multiple devices, no matter what those devices might be. It can charge an iPhone 15 at full 20W speed, and it can even power a Chromebook or small laptop like a Macbook Air whether it's plugged into a wall or not. 

Speaking of that wall plug, it's the most useful feature ever on a power bank. Some power banks come with a built in USB-C cord, but this Anker comes with a two-prong power outlet plug. That makes it a wall charger as well as a power bank, and the utility can't be understated. 

You might think that adding a 65W wall charger to a power bank would add a lot of bulk. Well, you're right, the Anker 733 is big, and it's power-to-weight ratio isn't as high as the heavy hitters on this list. On the other hand, you can charge the battery and three devices in a wall, then simply remove the Anker 733 and keep charging those devices with the built-in battery.

The Anker 733 has a 10,000 mAh battery inside, which is just shy of enough power to charge an iPhone 15 to 100% twice. It can charge a big Galaxy S23 Ultra to 100% once, then lift the battery to around 30% again. 

There are two USB-C ports on the Anker 733, and both are capable of 65W charging when the power bank is plugged in to a wall outlet, or 30W when the battery is running the show. There's also a USB-A port for legacy devices. You can charge the Anker 733 by plugging it into the wall or you can plug in one of the USB-C ports to charge the battery. 

• ^ Back to the top

2. Anker Prime 27,650mAh Power Bank (250W)

✅ You want the absolute best power bank: It has an app to monitor charging details, enough power to drive a MacBook or two, and fast recharging using both USB-C ports. Truly an unmatched power bank.  ✅ You need power for days and days: You could leave with your iPhone 15 on a Monday and use only this battery until you return on Friday. It has enough juice for days of charging, not hours. 

❌ You don't need all those extras: The Anker Prime power bank is pricey, and if you don't care about monitoring charge Wattage or days of battery life, find another option. ❌ You want a compact battery: The Anker Prime power bank has a very high power-to-weight ratio (PWR), but it's still the heaviest battery on this list. It's more than three times the weight of our bargain pick. 

The Anker Prime series of Power Banks, including the Anker Prime 27,650mAh Power Bank (250W) and the Anker Prime 20,000mAh Power Bank (200W), are for people who truly love to geek out on power banks. If you came looking for the absolute best power bank you can buy, this is the best we've tried. 

First, let's start with the raw power. The big Anker Prime can power a MacBook Pro or any big laptop: it's USB-C ports are capable of 140W of power individually, and the entire battery pack can crank out 250W divided between the two USB-C and one USB-A port. 

You can also charge the Anker Prime using both USB-C ports at the same time, for a combined recharging rate up to 170W. That means you can completely refill this whopping 27K mAh battery in under 40 minutes. I thankfully had an Anker 737 GaN Prime charger that was up to the task, and it's fun to see the percentage climb. 

Think this is an amazing power bank? We're just getting started. The Anker Prime power bank has a built-in display, and it's no cheap LCD, it's a sharp OLED that gives you detailed information about the power going out or coming into the power bank. If that's not enough, there's also an Anker app you can download that gives you even more information about the battery on your smartphone.

That app is essential because there's a Find My feature built into the battery. It doesn't work like an AirTag over UWB, it's only Bluetooth, but it's useful if you misplace your battery in your office (or you have multiple batteries, like I do). 

In terms of charging, this massive power bank can charge an iPhone 15 more than five times. It can charge a big Galaxy S23 Ultra's 5,000mAh battery three-and-a-half times. Best of all, it charges at the fastest speed available on most of your favorite phones (excluding Oppo/OnePlus's unusual SUPERVOOC battery). 

Is the Anker Prime worth the high price? That's hard to say, since the larger battery has suffered from some availability issues, though the smaller version packs most of the same features, including the same maximum 140W charging speed in each USB-C port. If you want the best and you love to know about the power your devices are drawing, the Anker Prime Power Bank is the one to buy. 

3. Anker Nano Power Bank (22.5W)

✅ You just got a new iPhone and want the perfect accessory: What better way to celebrate having a USB-C port than buying a new power bank that uses it well. ✅ You want a power bank that fits in a small pocket: The Anker Nano is the smallest power bank on our list, but it packs a big wallop for its small size, and that fold-down USB-C plug makes it easier to carry. 

❌ You need to charge back up to 100%: The Anker Nano carries a respectable 5,000 mAh of battery life, but the power lost in charging means it can't get an iPhone 15 or Galaxy S23 back to full power in a single charge.  ❌ You want to charge old stuff: We're not bothered by the lack of USB-A ports on this small charger, but if your watch or headphones requires it, every other charger on this list has on (including the water bottle charger). 

Everybody on our gift list who got a new iPhone is going to get an Anker Nano Power Bank (22.5W) this year. This cute little charger is perfectly sized to sit beneath your favorite smartphone, plugged into the USB-C port with a little plug that opens out or hides away for a sleek look. 

The Anker Nano is only 5,000mAh, but that doesn't mean it can fully charge a 5,000mAh phone battery like you'll find in the Galaxy S23 Ultra. Power banks are about 60-70% efficient, depending on the phone's technology, so this power bank is good for charging an iPhone 15 to nearly full, but that big Ultra will only get about 65% charge. 

That's just fine, because this power bank is the perfect pocket companion to keep you going through a busy day. If you need more power, you'll have to carry a bag to hold a big battery, but the Anker Nano gives you enough power for busy digital living, without added bulk.

In fact, this is the most efficient battery on our list, in terms of power-to-weight ratios. At only 100g, the Anker Nano is the smallest, but it still packs in plenty of power for that weight. You could buy six Nano power banks and have more power for less weight than buying the big Anker Prime. 

The Anker Nano used to be available in an Apple Lightning version, but those days are thankfully behind us. No matter what phone you are using, especially if you're enjoying the new iPhone 15, this is the power bank you should keep on you. 

The best MagSafe power bank

4. baseus magnetic foldable power bank 20w 10000mah.

✅ You want a powerful magnetic charger: The Baseus Magnetic Foldable Power Bank is a high-capacity battery built onto a very strong magnet. It holds onto an iPhone tightly, even in landscape mode.  ✅ You want a portable StandBy dock: If you have an iPhone 12 or newer running iOS 17, you can use the Baseus Magnetic Foldable as a dock for your iPhone in StandBy mode, giving you a cool desk clock with notifications or a digital photo frame. 

❌ You don't have a magnetic phone: You don't need an iPhone to enjoy the magnetic charging, but you'll need a case that lines up your phone with Apple's MagSafe wireless configuration, or else your phone won't charge properly.  ❌ You need to charge quickly: The Baseus Magnetic Foldable Power Bank is a strong magnet and a big battery, but it charges very slowly, whether wired or wireless. If you don't mind your iPhone wearing a backpack, that's not a problem. 

There are plenty of wireless power bank options on the market, but the Baseus Magnetic Foldable Power Bank impressed me with its incredibly strong magnet. I have the official Apple MagSafe battery pack, and it's magnetic attraction is much weaker than this Baseus power bank. While the Apple battery fell off my phone occasionally, the Baseus Magnetic power bank held tight with less worry. 

That means I could twist my phone sideways into landscape mode and use the Baseus power bank as a portable stand for Apple's new StandBy mode, which is one of my favorite features on iOS 17, and certainly the one I use the most often. 

The Baseus Magnetic power bank can't charge very quickly; the company says it can only charge an iPhone at 7.5W, which is half the wattage a MagSafe iPhone is capable of handling. That was not problem, because this is a power bank that can stick to your phone for a while, so speed won't be of the essence. 

For the price and performance, the slower charging speed is a fine trade off. The Baseus Magnetic Foldable power bank had the second highest power-to-weight ratio on our list, and Baseus chargers are potent and affordable, a good mix.

If you have more than just your smartphone to charge, the Baseus Magnetic power bank has a USB-C port as well, and it can charge up to 20W, which is faster than the magnetic charging, if you really need a speed boost. 

With 10,000 mAh inside, it can charge an iPhone 15 to 100% just short of twice. A Galaxy S23 Ultra will get back to 100% charge once with an extra 35% or so on top of that.

The best cheap power bank

5. baseus airpow power bank 20w 10000mah.

✅ You need more power for less money: The Baseus Airpow power bank starts at $20 in the US and is on sale often, including Black Friday, so it's a real steal. ✅ You need more than one USB port: Most batteries with this many USB ports cost much more, so having two USB-C and one USB-A port will help you charge everything you carry. 

❌ You're trying to keep it simple : The Baseus Airpow doesn't have any built in wires or wireless charging, so you'll need to carry extras when it's time to power up.   ❌ You want to charge fast: While the 20W charging is respectable and can keep up with the new iPhone 15 USB-C port, most Android phones can charge faster than that, so a faster battery pack would help. 

If you haven't heard of Baseus, the company makes a healthy lineup of affordable, well-designed battery packs that don't feel nearly as cheap as their prices would indicate. The most affordable of the bunch, the so-called Airpow Power Bank, starts at $20 in the US but is available on sale often, including a 25% Black Friday discount. 

With three USB ports, including a USB-C port capable of 20W charging and a USB-A port for legacy devices, this battery is surprisingly feature-packed for such an inexpensive power bank. 

The Airpow is not a small power bank, but Baseus makes efficient gear that doesn't take up too much space. It's power-to-weight ratio is on par with the best battery packs from Anker and others. At 245g (more than half a pound), it's bulky, and you'll need to carry extra wires, but it's sleek and nice looking enough to keep in a hand bag. 

With 10,000mAh of power inside, the Baseus Airpow can charge an iPhone 15 once to 100% then once again to nearly full. It can charge a Galaxy S23 Ultra to full once, then add another quarter of a charge.

It's not the fastest battery, but that's expected for this price range. While a flagship phone like the Galaxy S23 Ultra can accept a charging speed up to 45W, the Baseus Airpow can only hit 20W maximum. That's enough for the iPhone 15, though the iPhone 15 Pro has an unpublished charging speed in excess of 20W. 

If you need more, Baseus has plenty of options available in a range of capacity sizes with a variety of features. The options aren't quite as fast or polished as the best power banks from Anker, but the prices are better, and Baseus doesn't add more bulk for less bucks. 

6. Otterbox 2-in-1 Power Bank with Apple Watch Charger

✅ You worry more about your Apple Watch battery: Big iPhones have a big battery, but your watch might not last the day. You don't need a big phone battery when this cute 2-in-1 charger makes a great option instead. ✅ You want your watch to be a desk clock: The Apple Watch has a charging made that makes it a small clock, and this battery turns your watch into a timekeeper that won't get in the way while you're typing, while also keeping your battery full. 

❌ You have a watch that isn't from Apple: The Otterbox 2-in-1 Power Bank only attaches magnetically to the Apple Watch. Other smartwatches, like the Pixel Watch, won't work with this one, not at all.   ❌ You need power for your phone: The 3,000mAh battery inside is plenty to keep your Apple Watch going, but that isn't enough power to get you even halfway charged on an iPhone 15, and even less on bigger phones. 

The Otterbox 2-in-1 Power Bank with Apple Watch is a unique solution to a common problem. Your phone lasts longer than ever before, but wearable batteries haven't quite caught up to the all-day promise. With this cute little power bank, you don't need to bring the special Apple Watch charging cable or a larger battery. This little doodad does the trick. 

The front of the battery is a magnet, and it can hold the Apple Watch standing up. The Apple Watch offers a standby screen with a clock when it's charging, making this power bank effectively a small desk clock, which can be a useful tool if you need to keep time but hate wearing a watch while you type. 

Unfortunately, that magnet isn't quite strong enough for the fanciest Apple Watch bands I own. I have a gorgeous titanium Apple Watch band sent from Nomad , and it was too heavy to hang onto the Otterbox Power Bank's magnet, even though its titanium is incredibly lightweight compared to other metal bands. That's not a big surprise, there are a few chargers this larger band won't fit.

Frankly, the power-to-weight ratio for this little power bank isn't very impressive, it's heavy for the slim 3,000mAh power that it offers. Instead of efficiency, you get to leave your extra-long, super-annoying Apple Watch cable at home and instead just pop your watch onto this cute little thing. It's a worthwhile trade, at least if Watch power is your biggest concern. 

There isn't quite enough power in the Otterbox 2-in-1 power bank to recharge a phone fully, but you're welcome to try. Besides the Apple Watch magnet, it also has a USB-C port that can charge up to 15W, so you can feed some headphones or get a few more hours of screen time in a pinch.

7. Tylt Bottle 2

✅ You were already planning on carrying both: A lot of people carry a water bottle every day, and often bring a power bank along for extra charging. Why not carry both in one device? ✅ You work or study from a library or cafe: The Tylt Bottle 2 is really the perfect device for students in a library or working from a cafe. Rest your phone on the wireless puck and let it charge while you work, without fussy wires and outlets. 

❌ You need a lot of power: Thankfully, the battery on the Tylt Bottle 2 isn't so big it adds too much weight, but that also means it isn't powerful enough for multiple charges.  ❌ You need fast power: This is a very slow charger, whether wired or wireless, so it's better for casual charging while you sip your water and read a book. 

There are plenty of combination power bank and some other device, but the Tylt Bottle 2 actually makes sense because we're usually carrying an insulated water bottle anyway, so we might as well screw a battery onto the bottom. With a 5,700mAh capacity, the Tylt Bottle 2 is just enough to get us through a very busy day, or keep the phone powered while we play games at the cafe. 

The bottle is actually a nice, insulated affair, and it kept ice in cold water for 12 hours, which is all that we need. It has a good, strong strap to carry the bottle, though we would have liked a lid that was easier for sipping.

You can buy the Tylt Bottle with just a power bank attached, but our review sample from AT&T had the full wireless charging treatment. It's easy to set up a phone to charge while studying, working out, or working away from home: all places we take a water bottle and need a full phone battery. 

Tylt could have just added a wireless charging feature and called it a day, but the Tylt Bottle 2 has a few surprises on board. First of all, in addition to wireless charging, you still get both a USB-C and USB-A port for charging just about anything you have.

Tylt also wisely left enough of a gap between the battery and the bottle that you can coil a small USB-C cord (included) into that space. That way, even if you're not charging wirelessly, you're not adding a lot of extra bulk to your bag. It's a smart setup. 

Admittedly, making a battery that also fills up with water is a quick way to make a heavy battery, so we won't knock Tylt for being a heavy power bank. If you were already carrying both, the Tylt Bottle 2 power bank insulated water bottle combo is a fun, smart way to keep your kit charged. 

This bottle isn't available on Amazon, but you can find it elsewhere, including directly from AT&T as one of the accessories they offer when you buy a phone. Maybe that means we'll see it offered in a bundle deal sometime soon. 

How to choose the best power bank for you

How do i choose the best power bank for me.

The most important question to consider when buying a power bank is what will you be charging? If you are charging a small smartphone and that's all, a simple power bank will suffice. If you plan on charging a laptop occasionally as well, or many devices at once, you'll want something with more power and more features. 

If you have a newer Android phone, or the latest iPhone 15 models, you'll want a power bank with faster charging speeds to get your battery full faster. Charging speed is measured in wattage, and the iPhone 15 can charge just a bit faster than 15W, while the Galaxy S23 Ultra can charge up to 45W. 

The next question is how you want to charge your device. You can find a power bank that charges your phone (or even your Apple Watch) wirelessly. These will usually charge slower, but they can be very convenient if you want to leave wires at home. 

There are also cool additional features to consider. Our favorite power bank has a built in charging plug so it can go right into a wall outlet. Some power banks have data about your charging devices. Some are just super small and cute.

Which power bank is the best quality?

The best power banks we have tried have all come from Anker, but that doesn't mean Anker is the only brand you should consider. All of the power banks on this list passed our testing, traveling with us on the road and powering our devices at home. Anker is the best, but these batteries from Baseus and Otterbox performed well. 

The reason Anker is the best is because it packs more power into its batteries at a lower weight. Its batteries charge faster than most competitors, and our favorite can even charge using two USB-C ports at once. Its small Nano battery has the best power-to-weight ratio of any battery on our list. 

When you pick a power bank, you also want to choose the fastest charging your device supports, if that matters to you. All of our larger picks can charge an iPhone 15 at full speed, but only the Anker power banks can also charge a Galaxy S23 Ultra at its faster charging wattage. 

Which brand is best for power banks in 2023?

We wish there wasn't such an easy answer to this question, because competition is better for everybody, but Anker is making the best power banks right now by far. It offers the best power-to-weight ratio, the fastest charging, and the most useful features. 

Anker batteries also look great and are built with high quality parts. The display on our best battery for power users is bright and sharp OLED display, totally unnecessary for a power bank, but that's what makes Anker the best. It far exceeds our expectations of what's necessary to make power banks that are great. 

There are plenty of other power bank makers around, and most of them have not caught up to the faster charging speeds available on the iPhone 15 family, let along even faster Android phones. Except for unique form factors or serious bargains, we stayed away from recommending power banks from reputable makers if they couldn't charge at 2023 speeds. 

We expect this competition will heat up next year as more power bank makers catch up and make faster charging batteries. Until then, Anker is the dominant brand, and if you want the best it's an easy choice. 

How many times can my power bank charge my phone?

Our favorite power bank has a 10,000mAh battery, and the Samsung Galaxy S23 Ultra has a 5,000mAh battery, so the math should be simple, right? It charges twice. Except that's not how it works. Power banks are not 100% efficient, and even though you start with plenty of power, a lot of it is lost in the charging process. 

In fact, our testing confirms what battery makers usually claim. A battery maker will claim between 60% and 70% efficiency, so that 10,000mAh battery will only give your phone around 6,000mAh of extra battery charge, at the least. In practice we find around 65% efficiency, though occasionally we can do even better. 

Apple doesn't publish its battery capacity, but teardowns have shown that the iPhone 15 has a battery with around 3,350mAh of battery life. That means a 10KmAh battery can charge that phone twice ... almost. You may not get to 100% the second charge, but you'll be in the 90% range. 

What that means is any power bank that is 5,000mAh or smaller will probably not guarantee 100% charge on an iPhone 15. If you have a big battery phone like the Galaxy S23 Ultra, which packs 5,000mAh inside, you'll need a power bank closer to 8,000mAh or more if you want a full recharge. 

How we test the best power banks

We have tested the best power banks by using them to charge a variety of devices, including Apple iPhone, Google Pixel, and Samsung Galaxy phones. We have also charged Apple iPad tablets, and small laptops including a Pixelbook Go and a Surface Laptop Go. 

We used the best power banks extensively while traveling to see how well they fit in our luggage and their relative utility versus the weight add to our pack. 

To test charging times and claims, we charged a Samsung Galaxy S23 Ultra and an Apple iPhone 15 to determine how many charges each battery offers these devices. We chose a common smaller battery phone as well as our best phone overall for this purpose. 

Using the Anker Prime power bank, we were also able to test the charging speed claims of other power banks, as the Anker Prime will report charging speed in wattage. 

• Looking for a laptop charger? Here are our best portable laptop chargers . We've also featured the best portable projectors .

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Phil Berne is a preeminent voice in consumer electronics reviews, having reviewed his first device (the Sony D-EJ01 Discman) more than 20 years ago for eTown.com. He has been writing about phones and mobile technology, since before the iPhone, for a variety of sites including PCMag, infoSync, PhoneScoop, and Slashgear. He holds an M.A. in Cultural Theory from Carnegie Mellon University. 

Phil was the internal reviewer for Samsung Mobile, writing opinions and review predictions about top secret new devices months before launch. He left in 2017. He worked at an Apple Store near Boston, MA, at the height of iPod popularity. He has been a High School English teacher at Title I schools, and is a certified Lifeguard. His passion is smartphones and wearables, and he is sure that the next big thing will be phones we wear on our faces.

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The 20 Best Portable Chargers for All of Your Devices

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What to Consider Shopping for Power Banks

Best Overall Nimble Champ (Series 2) Read more

The Upgrade Pick Anker 737 Power Bank Read more

Best Budget Portable Charger Monoprice 20,000 mAh Power Bank with Wireless Charging Read more

Portable devices have a Murphy’s law–like ability to run out of power at the least convenient moment: as you step on the bus, right in the middle of an important meeting, or just as you get comfortable on the couch and press Play. But if you keep a battery-powered portable charger handy, all those situations are a thing of the past.

There are hundreds of portable battery packs, and picking one can be confusing. To help, we've spent years working our way through all of them. This obsession started when Scott Gilbertson lived off-grid in a vintage RV , powered primarily by solar panels. But even if you're not living in an off-grid solar setup, good power banks will come in handy. These are our favorites. Be sure to check out our Best MagSafe Power Banks guide for Apple-specific portable chargers, and our Best Portable Power Stations guide if you need more power.

Updated February 2024: We added a power bank from Anker and updated prices.

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What to Consider

There are a few things worth thinking about when you’re shopping for a portable charger.

Capacity : The capacity of a power bank is measured in milliampere-hours (mAh), but this can be a little misleading because the amount of power you get out depends on the cable you use , the device you are charging, and the charging method (Qi wireless charging is less efficient). You will never get the maximum capacity. We try to provide an estimate of what you’ll get in terms of charges for devices.

Charging speeds and standards : The charging rate for devices like smartphones is measured in watts (W), but most power banks list the voltage (V) and the amperage (A). Thankfully, you can calculate the wattage yourself simply by multiplying the voltage and amperage. Unfortunately, getting that maximum rate also depends on your device, the standards it supports, and the charging cable you use. Many smartphones, including Apple’s iPhones , support the Power Delivery (PD) standard, meaning you can use higher-power power banks to recharge the device with no issues. A few phones, such as Samsung’s Galaxy S range, support a supplementary PD protocol called PPS (Programmable Power Standard) that goes up to 45 W. Many phones also support Qualcomm’s proprietary Quick Charge (QC) standard. There are also other proprietary fast-charging standards, but you won’t generally find power banks that support them unless they come from the smartphone manufacturer.

Pass-through : If you want to charge your power bank and use it to charge another device simultaneously, it will need pass-through support. The Nimble, GoalZero, Biolite, Mophie, Zendure, and Shargeek portable chargers listed support pass-through charging. Anker discontinued support for pass-through because it found that differences between the output of the wall charger and the input of the device charging can cause the power bank to cycle on and off rapidly and shorten its lifespan. Monoprice does not support pass-through charging, either. We would advise caution when using pass-through, as it can also cause portable chargers to heat up.

Travel : It’s safe to travel with a power bank, but there are two restrictions to keep in mind when you board a flight: You must have the portable charger in your carry-on luggage (it cannot be checked in), and it must not exceed 100 Wh (watt-hours). If your power bank has a larger capacity than 27,000 mAh, you should check with the airline. Below that should not be a problem.

Best Overall

The Nimble Champ topped this list for years, and now its successor is taking over by combining everything that made the original so good and bringing some welcome improvements. At 6.2 ounces, it's one of the lightest on the market. It's smaller than a deck of cards and can deliver 20 watts to charge two devices at once via a USB-C port on either end. While Scott used the original for years, the new version has only just landed, but so far, so good. It feels durable, comes in a snazzy new range of speckled color finishes, and has a bright lanyard loop that makes for easy carrying and helps you pick it out of your backpack. The Pro version is bigger but doubles the capacity (to 20,000 mAh) and has a similar design with two USB-C ports that go up to 65 watts. There's also a smaller version with a 5,200 mAh capacity that tops out at 15 watts.

The other reason we like Nimble best is because of its environmental efforts . Batteries are not environmentally benign. They use lithium, cobalt, and other rare metals whose supply chains are environmentally and socially questionable at best. But Nimble's use of bioplastics and plastic-free minimal packaging at least reduces the environmental impact where it can be reduced. This new version uses 90 percent recycled plastic (up 25 from the original) and comes in smaller plastic-free packaging. Nimble includes a 3.3-foot USB-C to USB-C cable in the box.

Two USB-C ports (20W). Can charge most smartphones two or three times (10,000 mAh).

The Upgrade Pick

For folks who don’t mind paying for quality, the Anker 737 is a versatile and reliable beast with a whopping 24,000-mAh capacity. With Power Delivery 3.1 support, this power bank can send or receive up to 140 watts to charge phones, tablets, and even laptops. You can charge it from zero to full within an hour. It’s relatively compact for its capacity, but it weighs almost 1.4 pounds. Tap the circular power button on the side once, and the snazzy digital display shows the remaining battery percentage; tap it again, and you get stats including the temperature, total output, cycles, and more. The screen also displays watts in or out when you plug something in and a remaining time estimate based on the current rate. It fast-charged everything I tested it with, and you can charge three devices at once without a problem.

Two USB-C ports (140W) and one USB-A (18W). Can charge most phones at least four times (24,000 mAh).

Best Budget Portable Charger

You don’t have to spend big to get a high capacity power bank, and this offering from Monoprice proves it. This power bank is impressively versatile with five ports, and it offers QC 3.0, PD 3.0, and wireless charging support. Results are mixed, but it fast-charged most phones I tested. Wireless charging is handy when you don’t have a cable, but this is not a MagSafe charger, and the total amount of power you get is limited because it’s far less efficient than wired charging. Still, these are minor quibbles considering the low price. Tap the power button, and you can see how much juice is left in the bank. It comes with a short USB-C to USB-A cable.

One USB-C port (20W), three USB-A (12W, 12W, and 22.5W), and one Micro-USB (18W). Qi wireless charging (up to 15W). Can charge most phones three or four times (20,000 mAh).

Eric Ravenscraft

Julian Chokkattu

Best for Phones

If you want a compact charger in a fun color that simply slots into the bottom of your phone for a top-up, Anker’s dinky charger is tough to beat. This power bank has a built-in rotating USB-C or Lightning connector (MFi certified), so you don’t need to worry about cables. It packs 5,000 mAh of energy (enough to fully charge most phones). I tested the USB-C version with several Android phones and found it stayed in place, enabling me to use my phone more or less as normal. There’s a USB-C port for recharging the power bank, and it comes with a short cable. It might not be a good pick if you use a thick case.

One USB-C (22.5W) or Lightning (12W) connector and one USB-C port for charging only. Can charge most phones once (5,000 mAh).

Best for Tablets

WIRED reviews editor Julian Chokkattu has been enjoying his time toting around this 20,000-mAh charger. It's slim, fits easily into the padded sleeve of most backpacks, and has enough capacity to recharge an 11-inch tablet twice from zero percent. It's capable of dishing out 45 watts of power for fast charging via the USB-C port, and 18 watts from the middle USB-A port. In a pinch, you can use it to recharge a laptop (as long as it's not a power-sucking machine like a MacBook Pro). It has a lovely fabric material on the exterior, and there's an LED that shows how much juice is left in the tank.

Two USB-A ports (18W and 10.5W) and one USB-C (45W). Can charge most tablets two times (20,000 mAh).

Best for Laptops

Goal Zero updated its Sherpa line of portable chargers with better wireless charging capabilities: 15 watts, up from 5 watts in the previous model. I tested the Sherpa AC, which features two USB-C ports (60-watt and 100-watt), two USB-A ports, and a 100-watt AC port for those devices that need a pronged plug. It strikes a good balance between power storage (93 watt-hours in my drain test) and weight (2 pounds). It’s enough to charge up my Dell XPS 13 almost twice.

You get a nice color LCD display that shows how much power you've got left, how many watts are coming in, how many are going out, and a rough guess as to how much longer the battery will last (if conditions remain the same). Recharge times vary depending on whether or not you have the Sherpa wall charger (sold separately), but I was able to get it to recharge in under three hours no matter what power source I used. There's also an 8-mm port on the back for attaching a solar panel if you have one. The Sherpa is not cheap, but if you don't need the AC out and can live with a single USB-C (100-watt out, 60-watt in), the Sherpa PD is otherwise the same thing for $200.

Two USB-C ports (60W and 100W), two USB-A (12W), and one AC (100W). Qi wireless charging (15W). Can charge most laptops one to two times (25,600 mAh).

Best for Fast Charging

Ugreen's new charger is, as the name suggests, a 145-watt charger with a 25,000-mAh battery. It's surprisingly compact for the power it provides, although at 1.1 pounds, it's definitely not ultralight. There are two USB-C ports and one USB-A port. What sets the Ugreen apart is that you can actually draw 145 watts while charging. That works out to one USB-C port at 100W and the other at 45W. Very few other batteries we've tested are capable of that feat, and none that I know of at this size. If you want to charge fast, this is the power bank for you (although it's worth noting that reviews around the web suggest it doesn't support Samsung's fast charging tech). There's a small LED readout on the side of the battery with the current charge state of the battery. I'd have liked to see some charging info on that screen as well, but that's a small quibble with what's an otherwise outstanding option if you need to keep your laptop charged up wherever you are.

Two USB-C ports (100W and 45W) and one USB-A. Can charge most phones around five times or a laptop once (25,000mAh).

Folding Wireless Charging

With an unusual design that features a fold-up wireless charging stand for phones and a charging spot behind it for your wireless earbuds case (if it supports Qi wireless charging), plus a USB-C port to plug in a third device, the Satechi Duo is a handy power bank to have in your bag. It has a 10,000-mAh capacity with LEDs to show how much juice is left. The downside is that it is slow, offering up to 10 watts of wireless charging power for phones (7.5 watts for iPhones), 5 watts for earbuds, and 10 watts from the USB-C port. It takes three hours to refill the battery with an 18-watt charger.

One USB-C (10W) and two Qi wireless charging spots (up to 10W). Can charge most phones one to two times (10,000 mAh).

Best Qi2 Portable Charger

The latest entry in Anker’s MagGo range is the first Qi2 power bank we have tested. The Qi2 wireless charging standard borrows elements of Apple’s MagSafe, enabling supported phones to connect with perfect alignment using a ring of magnets. Qi2 brings faster wireless charging rates of up to 15 watts, but is also backward compatible, so older Qi devices can still charge, albeit more slowly. This compact portable charger has a handy kickstand, a two-way USB-C port on the left edge, and a power button with an LED display showing remaining power as a percentage charge time on the right. It can accommodate Qi2 or MagSafe phones in portrait or landscape orientation (it works with Apple’s StandBy mode ). I tested with an iPhone 14 Pro and got 25 percent in around 20 minutes. Despite a large capacity, it falls short of two full charges for your iPhone when charging wirelessly. You might squeeze a little more if you plug in the short USB-C cable provided.

One USB-C port (27W) and Qi2 wireless charging (15W). Can charge most smartphones one or two times (10,000 mAh).

Best MagSafe

One of the biggest problems we run into with portable chargers is forgetting to charge them, so this clever gadget from Anker is one of our favorite iPhone accessories . Ostensibly, it’s a wireless charging stand with MagSafe support that includes a charging spot for your AirPods on the base. The clever part, earning it a place here, is the detachable portable charger that slides out of the stand when you need to go. It stays stuck to the back of any MagSafe iPhone (and Android phones using MagSafe cases ) and continues to charge it wirelessly. You can also recharge the power bank or charge another device with it via the USB-C port. The Anker MagGo 622 ($50) is a good alternative if you just want a MagSafe power bank, and it has a wee foldable stand built in. We recommend some alternatives in our Best MagSafe Power Banks guide .

One USB-C (12W) and Qi wireless charging (7.5W). Can charge most phones to between 50 and 80 percent (5,000 mAh).

Best for Apple Watch

Remembering to take a power bank with you for a night away is a real achievement, but what about your Apple Watch ? It may be one of the best smartwatches , but the battery rarely lasts beyond a full day. This compact, black power bank from Belkin has a soft touch finish and an Apple Watch charger built in at one end. Even better, it can fast charge your Apple Watch, and there’s enough capacity to charge your iPhone or AirPods via USB-C at the same time, making this the perfect portable charger to stow away in your bag or pocket. You get a 1-foot USB-C to USB-C cable in the box.

One USB-C port (20W) and one Apple Watch fast charger (7.5W). Can charge most smartphones two or three times (10,000 mAh).

Best for Outdoors

If you are hiking, camping, cycling, or running, the BioLite is a handy companion. This durable power bank is lightweight, a good size to slip into a pocket, and has a nice grippy textured finish. The yellow plastic makes it easy to spot in a bag or crowded tent, and it indicates the port end, making it easier to plug in when the light is fading. The smallest size is enough to fully charge most phones, and the USB-C handles 18 watts in or out. Two additional USB-A out ports let you simultaneously charge up multiple devices, though you will probably want to size up to the 10,000-mAh Charge 40 ($60) or the 20,000-mAh Charge 80 ($80) if you plan on doing that.

Two USB-A ports (18W) and one USB-C (18W). Can charge most phones at least once (6,000 mAh).

Best for Air Travel

With a 26,800-mAh capacity, this is the maximum-sized power bank you can take onto a flight. It’s perfect for vacations and even resembles crush-proof luggage. There are four USB-C ports; the left pair can handle up to 100 watts in or out, and the two ports on the right can put out 20 watts each (total maximum simultaneous output is 138 watts). There’s support for PD 3.0, PPS, and QC 3.0 standards.

This portable charger had no issues fast-charging our Pixels, iPhones, and MacBooks. It can be fully replenished in under two hours with the correct charger and supports pass-through charging. The small OLED display shows remaining power as a percentage and in watt-hours (Wh), and power flow in or out for each port. It is chunky, but it comes with a zip-up case with room for cables. Unfortunately, it's frequently out of stock.

Four USB-C (100W, 100W, 20W, 20W but 138W Max Total). Can charge most laptops one to two times (26,800 mAh).

Best Wall Charger Power Bank

Hybrid devices can be very handy when you have limited space, so this wall charger and power bank in one, which you can buy with EU and UK plug adapters, is a solid option. There’s a display to show you what percentage of the 8,000 mAh capacity remains, two USB-A ports, and one USB-C port. But that’s not all. If you turn it on its side, you also get a wireless charger. Charging rates are slow and you won’t get close to the full capacity if you charge wirelessly. The manufacturer’s suggestion that this is suitable for laptops is also just wrong, but to keep your phones and other small gadgets topped up, it will do the job nicely.

One USB-C port, two USB-A ports (18W total), and Qi wireless charging (5W). Can charge most phones one or two times (8,000 mAh).

Most Portable

The svelte Clutch, available in black, white, or pink, is about the same size as a stack of credit cards and weighs around 2 ounces. It’s designed to slide easily into pockets and bags and offers a modest top-up for your phone’s flagging battery. The third version of the super slim portable charger packs a larger battery than its predecessors, at 3,300 mAh. You charge it via the USB-C port, and there is a built-in charging cable (there's a different Lightning model). It’s slow, it gets quite warm when plugged in, and a full Clutch added only around 40 percent to my iPhone 14 Pro’s battery. You can get higher capacities and more efficient chargers for less, but portability is the point of the Clutch V3, and it’s a handy size to tuck away in your bag for emergencies.

One USB-C port and a built-in Lightning or USB-C cable. Can top up your phone (3,300 mAh).

If You Want Built-In Cables

Apart from the cheesy name, what makes this charger distinctive is its built-in charging cables. It is way too easy to forget or lose your cables, and they get tangled in bags, so a power bank with permanently attached USB-C and Lightning cables is a smart idea. Ampere’s power bank has a capacity of 10,000 mAh and supports the Power Delivery standard. Both cables can deliver up to 18 watts, but that’s the combined maximum, so while you can charge an iPhone and an Android phone simultaneously, it will divide between them. The one thing you don’t get with this power bank is a USB-C cable for charging it.

One built-in USB-C cable (18W) and one Lightning cable (18W). One USB-C port for recharging (input only). Can charge most phones two to three times (10,000 mAh).

Cyberpunk Style

If you loved the clear craze that gave us a wave of translucent electronics in the 1990s, then you will immediately see the appeal of Shargeek’s power banks. A see-through case provides a clear view of the ports, chips, and bundled rechargeable Samsung Li-ion batteries inside this portable charger. The color display gives you a detailed readout of the voltage, current, and power flowing in or out of each port. If you dig into the menu, you can find stats showing temperature, cycles, and more.

The DC barrel port is unusual, and you can specify the voltage and current you want to suit different devices; it can deliver up to 75 watts. The first USB-C supports PD PPS and can go up to 100 watts (enough to charge a laptop), the second USB-C goes to 30 watts and supports PD 3.0 and Quick Charge 4 standards, and the USB-A port is QC 3.0 and puts out 18 watts. In short, this power bank will fast-charge most devices. It comes with a yellow 100-watt USB-C to USB-C cable and a wee bag. If you don’t care about the DC port, you might prefer the Shargeek Storm 2 Slim ($200) .

Two USB-C ports (100W and 30W), one USB-A (18W), and a DC barrel port. Can charge most laptops once (25,600 mAh).

Best for the Rest

Got devices that don't charge via USB? Yes, they're still around. I have an old, but still great, GPS device that runs on AA batteries, headlamps that take AAA batteries, and countless other odds and ends that need batteries. After running through several brands, I've found Eneloop rechargeable batteries to be the longest-lasting and most reliable. The fast Panasonic charger can recharge any combination of AA and AAA batteries in less than three hours, and you can sometimes get it bundled in a pack that includes four AA Eneloop rechargeable batteries.

The standard AA Eneloop batteries hold around 2,000 mAh each, with AAA batteries holding 800 mAh, but you can upgrade to Eneloop Pro (2,500 mAh and 930 mAh, respectively) for more demanding gadgets, or go for Eneloop Lite (950 mAh and 550 mAh) for low-power devices. They come precharged with solar energy, and Eneloop recently switched to plastic-free cardboard packaging.

Best for the Car

It’s a horrible feeling when your car refuses to start because the battery is dead, but if you have a portable battery pack like this one in your trunk, you can give yourself a jump-start. WIRED reviewer Eric Ravenscraft  called it a roadside lifesaver after it jump-started his car several times on a long trip home from out of state. The Noco Boost Plus is a 1,000-amp, 12-volt battery pack with jump leads. It also has a USB-A port to charge your phone and a built-in 100-lumen LED flashlight. It’s a good thing to have in your trunk, but you must remember to charge it every six months. It’s also IP65-rated and good for temperatures from –4 degrees Fahrenheit up to 122 degrees.

One USB-A port. Can jump start a car up to 20 times.

A Portable Power Station

Folks seeking more power for camping or a long road trip should pick up the Jackery Explorer 300 Plus. This cute and compact battery has a fold-out handle, packs a 288-Wh capacity, and weighs 8.3 pounds. It has two USB-C ports (18W and 100W), one USB-A (15W), a car port (120W), and an AC outlet (300W, 600W surge). There is plenty of power to keep your small gadgets going for a few days. There’s also an AC input, or you can charge it via USB-C. The fan kicks in sometimes, but the Silent Charging Mode keeps it below 45 decibels. You can manage it with Jackery’s app via Bluetooth, and it also has a handy flashlight. We have found Jackery gear reliable and durable, and you can expect to get at least a decade out of this battery. Go any bigger than this and portability gets debatable. We have a separate Best Portable Power Stations guide with recommendations for folks who need a lot of power.

If you want charging options for going off-grid, you can get the 300 Plus with a 40W book-sized solar panel ($400) . It took me around eight hours to charge the battery with this panel in blue sky sunshine. If you want a faster charge and have the space for a larger panel, consider the 300 Plus with 100W solar panels ($579) .

Two USB-C ports (100W and 18W), one USB-A (15W), one car port (120W), and an AC outlet (300W). Can charge most phones more than 10 times or a laptop three times (288Wh).

Honorable Mentions

There are so many portable chargers out there. Here are a few more we like that just missed out on a place above for one reason or another.

• Rolling Square Tau Emergency Keyring Power Bank for $29 : Small enough to go on a keyring, with built-in USB-C and Lightning cables, this power bank is handy in a pinch. It added somewhere around 30 percent to my iPhone 14 Pro battery. It came with a recharging cradle that it attaches to magnetically. On the downside, the rubber on the USB-C cable on my test unit bunched up when plugged into a phone with a case and no longer sits flush in the power bank.
• Baseus Adaman 140W Portable Charger for $110 : Function over form, this power bank is a big metal brick. It has a 24,000-mAh capacity, and can charge at up to 140W, but a few devices we tested did not fast charge. It has a digital display, two USB-C ports, and one USB-A port, and comes with a 3.3-foot USB-C cable. We've tried many products from up and down the Baseus product line. While they are generally reliable, we do think there are better options.
• Iniu Power Bank BI-B64 for $100 : Offering relatively low prices, Iniu is a power bank brand on the rise. This portable charger packs a 27,000-mAh capacity, can put out up to 140W, and charges three devices at once via the two USB-C ports and a single USB-A port. We also tested the very similar BI-B63 ($60) , which has a slightly lower capacity at 25,000 mAh, but seems like a better value. Unfortunately, both fell slightly short of the stated capacity when tested. We also like the color options available in the company's slimmest version .
• Anker Prime Power Bank for $130 : With a total combined output of 200W and a hefty 20,000-mAh capacity, this is a solid choice for charging any device; you could even use it to charge two laptops at once via the two USB-C ports. There is a USB-A port, too, and a digital screen like the 737 listed above. You can also buy a Power Base ($70) for this, which enables you to stick the power bank on top and charge it via pogo pins. The base makes it easy to keep the power bank topped up and is handy for desktop charging with two USB-C ports and one USB-A port (combined max output 100W). I tried the UK version (£130) , which worked great, but WIRED reviews editor Julian Chokkattu had issues with the US base failing to charge the power bank.
• Anker Nano Power Bank 10,000 for $45 : Another solid option from Anker (also available for £50 from Amazon UK ), this power bank has a built-in USB-C cable that doubles as a loop for easy carrying and a further one USB-C and one USB-A port. It has a 10,000-mAh capacity, good for just shy of two full charges for most phones. It maxes out at 30 watts each way and can be fully charged in around two hours.
• Acefast Fast Charge Power Bank M1 for $45 : The see-through design and fun colors (we got purple) make this worth a look. It has a 10,000-mAh battery inside, supports Power Delivery, and can go up to 30 watts. The display shows the remaining power as a percentage, and you can recharge it in less than two hours.
• OtterBox 2-in-1 Power Bank with Apple Watch Charger for $50 : Finished in durable aluminum, this clever OtterBox power bank has a built-in Apple Watch charger. The rubberized bottom helps it stick to surfaces, and Nightstand mode makes it a handy bedside clock. But the limited 3,000-mAh battery means it runs out fast if you use the USB-C to top up your iPhone.
• Juice 3 Portable Charger for £20: An environmentally conscious alternative for folks in the UK, Juice power banks come in lots of colors, are made from 90 percent recycled plastic, and come in 100 percent recycled packaging. The series is numbered based on roughly how many charges you can expect to get out of it for the average smartphone, so the Juice 3 holds three full charges.
• Rugd Power Brick for $40 : Also available from Amazon UK (£40) , this shock- and water-resistant (IP67 certified) charger doubles as a bright 16-LED with an SOS mode, and has a hefty 10,050-mAh capacity (one USB-C at 18 W and a USB-A that supports QC). It’s also bright orange, weighs just 280 grams, and comes with a carabiner for easy attachment, all of which make it an excellent camping buddy.
• Mpowered Luci Pro Lux for $38 : This solar-powered inflatable lantern boasts 10 LEDs and emits a lovely warm glow that’s perfect for camping or walking at night. It is IP67-rated and packs down flat for easy carrying. While it’s not primarily a power bank, the 2,000-mAh battery in the Luci Pro can charge your phone in an emergency. A nearly full Luci Pro boosted my Pixel 6 Pro by around 25 percent. It takes at least 14 hours to charge back up using the solar panels, or you can plug into an outlet and recharge in three.
• Mophie Powerstation , Powerstation XL , and Powerstation Pro AC for $50+ : Mophie's 2023 update to its Powerstation line has three devices in 10,000, 20,000, and 27,000-mAh capacities. They're bulky, nondescript devices with USB-C and USB-A ports, but the latter has an AC port and is great for travel. WIRED reviews editor Julian Chokkattu used the XL during his trip to Japan and had no trouble keeping his Switch Lite and Pixel 7 Pro topped up. There are LEDs to indicate remaining battery life, but there's otherwise nothing special about 'em.
• Excitrus Magnetic Wireless Power Bank for $120 : Power banks can be dull, so I like the unusual green fabric skin here, and a display embedded in the black plastic frame shows the remaining power percentage. This 20,800-mAh-capacity power bank has two USB-C ports (100 W and 45 W), a USB-A (18 W), and a wireless charging top (10 W) that works with Apple’s MagSafe. On the downside, it’s big, and it seems to drain slowly, even when not in use.
• iWalk Portable Charger for $40 : WIRED reviews editor Julian Chokkattu used the Lightning version of this power bank while covering the Apple event and it reliably topped up his iPhone. The 4,800-mAh capacity won't fully refill your device, but it's tiny enough to keep in a bag at all times. There's an LED that shows the remaining percentage of power left. The company also has a MagSafe power bank ($36) .

Why You Should Avoid Cheap Stuff

Many years ago, the Samsung Galaxy Note 7 gained notoriety when its batteries caught fire in a series of incidents. There's been a steady stream of similar, though isolated, incidents ever since. However, despite the high-profile coverage of batteries gone wrong, the vast majority of Li-ion batteries are safe.

The chemical reaction that occurs inside a lithium-ion cell is complex, but as in any battery, there's a negative and a positive electrode. In lithium batteries, the negative is a lithium-carbon compound, and the positive is cobalt oxide (though many battery makers are moving away from cobalt). These two compounds cause a reaction that is safe when controlled and delivers energy to your devices. When the reaction gets out of control though, you end up with earbuds melting in your ears. What changes a safe reaction to an uncontrolled reaction can be any number of things: excess heat, physical damage during use, physical damage during manufacture, or using the wrong charger. 

The three basic rules that have kept me safe (thus far) through testing dozens and dozens of batteries are:  

• Avoid cheap cords, chargers, and outlet adapters.
• Make sure batteries aren't exposed to excessive heat (over 110 degrees).
• Regularly inspect batteries for signs of damage.

Avoiding cheap wall-outlet adapters, cords, and chargers is the most important. These are your most likely source of problems. Those chargers you see on Amazon for $20 cheaper than the competition? Not worth it. They probably got the price down by skimping on insulation, leaving out power-management tools, and ignoring the basics of electrical safety. Price alone is no guarantee of safety, either. Buy from reputable companies and brands.

Then there's heat. Too much of it can cause all manner of problems, both in terms of discharge and in terms of safety. Avoid heat, and pay attention to your batteries when they're charging. If your device gets overly hot when charging, this can be a sign of problems. Similarly, beware of any swollen, bulging, or otherwise misshapen batteries.

Matt Jancer

Medea Giordano

Brenda Stolyar

Louryn Strampe

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The best portable chargers and power banks in 2024

Here are the best portable chargers to keep your devices juiced up while you're on the go

• Best overall
• Best for USB-C
• Best lightweight
• Best compact
• How to choose
• How we test

1. The list in brief 2. Best overall 3. Best Anker 4. Best for USB-C 5. Best lightweight 6. Best compact 7. How to choose 8. How we test

The best portable chargers keep your electronics powered while you're out and about. These handy peripherals can charge various devices, including the best phones , the best tablets , the best Kindles and even the best laptops . Because you'll inevitably find yourself with low battery life when outdoors, you'll need a reliable portable charger to keep your electronics going. Not having one could prove to be extremely inconvenient.

We've done a battery (pun intended) of tests on some of the most highly-rated portable chargers on the market. To that end, we've pulled from both big brands and popular competitors. Our testing involves seeing how fast devices charge and how many full phone chargers each power bank stores. While these specific portable chargers regularly appear on bestseller lists, they're all different in several important ways.

We've got these best portable chargers ranked in order of what we would buy, with shoutouts for the best portable charger, our favorite compact charger, and the best portable charger for USB-C.

We're going to update this page with a batch of new chargers soon.

Tony is a computing writer at Tom’s Guide covering laptops, tablets, Windows, and iPadOS. During his off-hours, Tony enjoys reading comic books, playing video games, reading speculative fiction novels, and spending too much time on Twitter. His work has appeared in publications such as Laptop Mag, PC Mag, and various independent gaming sites.

The quick list

Here's a quick overview of the best portable chargers you can buy right now based on our testing and reviews.

The best portable charger overall

The INIU 10000mAh is one of the best portable chargers we've tested. Not only did its charging times and speeds sit near the top of the chart but it's got 2 USB-A output ports to the Anker PowerCore Slim 10000's single USB-A charging port.

Read more below

The best Anker portable charger

The Anker PowerCore Slim 10000 is heavier than the INIU 10000 but it would've taken the top slot if it had a second USB-A port. Its charging times were so close to the INIU brick and its overall time to fill an iPhone 12 was 4 minutes shorter, at 1 hour and 56 minutes.

The best portable charger for USB-C

While INIU's 20-watt brick is a bit heavy (the second heaviest on this list), its dual-function USB-C port makes it a clear favorite for one of the best portable chargers for those charging with the reversible port. This way, you can both charge it and charge other devices with the same USB-C cables.

The best lightweight portable charger

Anker's 20,000 mAh brick is lighter than comparable bricks but its charging scores are consistently behind by 3 to 4%. Its other win is in its USB-C input for faster charging, but since it only has USB-A output, you're going to be refueling at a lower rate. It also has one fewer USB-A port than competitors.

The best compact portable charger

The PowerCore 5000 hits 19% after 15 minutes, which is 7% above the Miady power banks. There's nothing wrong with this charger, but it's not stellar either. If you got it as a present, you might hold onto it and get a ton of use out of it. If it goes on sale for a deep discount, we wouldn't be against considering it. But at the end of the day, it's low on our list for a reason.

The best portable chargers you can buy today

Why you can trust Tom's Guide Our writers and editors spend hours analyzing and reviewing products, services, and apps to help find what's best for you. Find out more about how we test, analyze, and rate.

1. INIU 10000mAh Portable Charger

Specifications, reasons to buy, reasons to avoid.

A shocking upset for the top slot, Anker (the typical standard-bearer) loses to INIU's 10000 mAh charger. This brick is one of the best portable chargers. Not only did its charging times and speeds sit near the top of the chart but it's got 2 USB-A output ports to the Anker PowerCore Slim 10000's single USB-A charging port. And since that second port can be the difference between powering a secondary device while you charge your phone (or helping a friend out when they need it), we're giving the INIU the overall nod.

For a brand we're not that familiar with, this INIU charger stood up in 15-minute and 1-hour timed charging (at 22%, 78%), with times that were within 1-2 percentage points ahead of the PowerCore Slim's times. It only failed to beat the Anker to fill a complete phone once, putting up a 2-hour time, four minutes behind the Anker. Both chargers refilled about 2.2-2.25 iPhone 12s, so it's practically a tie. INIU also has a longer warranty: its 3-year plan is twice as long as Anker's 18-month window.

This charger has been reviewed by over 9,000 customers on Amazon and has been rated 4.7 out of 5 stars. A reviewer who gave it 5 stars said:

"I love this portable charger! I didn’t think it would be a good idea, because normally your portable chargers die within the first charge it does. I have charged my phone over 4 times and haven’t had to charge it! That is including just leaving it in my bag for weeks until I need it again. It will not disappoint! I love it!"

2. Anker PowerCore Slim 10000

Our number 2 pick (still one of the best portable chargers) is the Anker PowerCore Slim 10000, which is a bit heavier than the INIU 10000 pack (7.3 ounces to 6.9 ounces). But it would have taken the top slot had it had that second USB-A output port. That's because its charging times were so close to the INIU brick (21% in 15 minutes, 76% in an hour) and its overall time to fill an iPhone 12 was 4 minutes shorter, at 1 hour and 56 minutes.

But it's so close to the INIU that we have to keep it as the #2-ranked portable charger. These bricks are so close, practically within margins of error in testing. If you only need to charge one device at a time, and the sale pricing makes the Slim 10000 that much cheaper than the INIU, go for it.

This product has been reviewed by nearly 50,000 customers on Amazon and has been rated 4.6 out of 5 stars. A reviewer who rated it 5 stars said:

"I like the solid and sleek construction. Fits easily in my pocket. Most importantly it works! Fast charging, enough capacity to charge my phone multiple times over multiple days, and withstands plenty of me dropping it and yanking the cord out awkwardly and accidentally."

3. INIU 20W 20000 mAh power bank

USB-C is no longer the port of the future, it's the port of the day. And while INIU's 20-watt brick is a bit heavy (the second heaviest on this list), its dual-function USB-C port makes it a clear favorite for one of the best portable chargers for those charging with the reversible port. This way, you can both charge it and charge other devices with the same USB-C cables, and you've also got two other USB-A ports for recharging other devices.

On top of that, it turned in the best performance in the 1-hour charging window, bringing our dead iPhone 12 to 81% of its charge. And its 1-hour and 57-minute time to bring that iPhone to a full charge is the second-best of the pack, only off by a minute from the PowerCore Slim 10000. Its high capacity of 20000 mAh also meant it refueled an iPhone more than most of these chargers, with 4.78 iPhone 12 refills.

This product has been reviewed by nearly 4,500 customers on Amazon and received 4.6 out of 5 stars. A reviewer who rated it 5 stars said: "For 5 days on vacation I used this to charge my phone and GoPro, and the battery still had 44% of its life!"

4. Anker PowerCore Essential 20000mAh

Anker's 20,000 mAh brick is lighter than comparable bricks by a few ounces, but its charging scores are consistently behind by 3 to 4%. Its other win is seen in its USB-C input for faster charging of the brick, but since it only has USB-A output, you're going to be refueling at a lower rate than you might like. It also has one fewer USB-A output than competitors.

All that said, though, we could see an individual finding this to be the right charger for their needs. Anyone who is looking to primarily charge their own phone, and wants a high-capacity pack so they need to refuel less frequently will appreciate the more-portable weight. All you need is a pocket big enough to hold it, and you'll have juice for days.

This product has been reviewed by over 50,000 customers on Amazon and received 4.8 out of 5 stars. "The product Anker is amazing and I highly recommend it," said a reviewer who rated it 5 stars.

5. Anker PowerCore 5000

Compared to the higher-rated 5,000 mAh charger on our list (the Poweradd Slim 2) Anker PowerCore 5000 lags behind on speeds. It only refueled 62% of the iPhone 12 in the first hour of charging, which is the second-lowest score on the list.

The best aspect of the PowerCore 5000 is that it hit 19% after 15 minutes, which is 7% above the Miady power banks. There's nothing particularly wrong with this charger, but nothing impressive either. If you got it as a present, you might hold onto it and get a ton of use out of it. If it goes on sale for a deep discount, we wouldn't be against considering it. But at the end of the day, it's low on our list for a reason.

Anker PowerCore 5000 has been reviewed by over 29,000 customers on Amazon and received 4.6 out of 5 stars. "Because of this product’s portability, you can charge your phone anywhere without having to wait around," said a reviewer who rated it 5 stars.

How to choose the best portable charger

Finding the right charger capacity: You'll often see a four to five-digit number, with the letters mAh following it, and that's your first big indicator of how much this charger is right for you. If you're constantly refueling your phone and other gadgets, go for at least 10,000mAh. For each extra device you charge, add at least 5,000 to the mAh rating you're looking for. Just need to prevent your device from hitting 0 on late nights out? You'll be good with something in the under 5,000 mAh rating, provided you remember to charge it often.

Be a ports authority: If you hold onto your devices forever, and don't already know what a USB-C port is, you can probably just get whatever fits your price. But if you're the kind who wants faster charging, look for a brick that has PD in its name. The best portable chargers, at least for my money, charge devices the fastest and use the Power Delivery (PD) standard. Also, their USB-C ports mean you can refuel these power banks with the same cords used to charge modern laptops.

How we test the best portable chargers

You want a charger that was put through the rigors of refueling, so we did just that. With timers in hand, we kept draining an iPhone 12 and then timed how much time it took for each power bank to refuel those phones. Along the way, we checked out how much of said iPhone 12 (the same one) were refueled after 15 and 60 minutes. We kept that iPhone at 100% brightness the whole time.

Our ranking also factored in the portability and designs of each model, as especially small and pocket-friendly chargers can't physically store as many mAh of battery power as their larger brethren. Similarly, the smaller a charger is, the less likely it has more than two ports (one for gaining a charge, the other for giving power).

Those looking to keep their tech protected throughout each and every charge should check out our guide to the best surge protectors .

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Tony is a computing writer at Tom’s Guide covering laptops, tablets, Windows, and iOS. During his off-hours, Tony enjoys reading comic books, playing video games, reading speculative fiction novels, and spending too much time on X/Twitter. His non-nerdy pursuits involve attending Hard Rock/Heavy Metal concerts and going to NYC bars with friends and colleagues. His work has appeared in publications such as Laptop Mag, PC Mag, and various independent gaming sites.

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• Codeape Anker has 2 usb a output ports (even says so in your description)... -ve for that device says just one usb a output port... Reply
• Marcel Bro Best power banks and chargers of 2023? And most of them only output USB A?! This article is heavily outdated. Reply
• Arctic Strix This article was either done by a bad Ai, written within 5min by someone who searched for the most bought battery banks on Amazon, or reused from several years ago. The "best portable charger" is not a 10,000mAh USB-A 15W charger for $20, that's just one of the most purchased on Amazon. One of the best portable power banks is going to be the Anker 737 or the Ugreen 145w. They both feature two type C outputs and one type A output, the Anker 737 being able to output up to 140W compared to Ugreen maxing at 100W. Anker has a 24000mAh battery and PD3.1 complaint and Ugreen is 25000mAh with PD3.0; they both are compatible with all charging standards. These might be a bit overkill for the general user, but they are among the best, if not the best portable power banks. Reply
• View All 3 Comments

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The Best Wireless Portable Chargers and Power Banks

By Sarah Witman

Sarah Witman is a writer focused on batteries and charging accessories. She has spent countless hours charging, discharging, and recharging batteries.

Most wireless power banks, including both Qi and MagSafe options, are finicky to use while on the go, and none of them will charge an iPhone or other fast-charging device at top speed. But the ESR HaloLock Kickstand MagSafe Battery Pack (2G505) comes closest to nailing both tasks, offering plenty of power and capacity to keep your phone charged throughout the day, while adding a strong magnet to lock it firmly in place while it’s charging and a kickstand to prop it up for easy viewing.

Everything we recommend

ESR Kickstand Wireless Power (HaloLock)

The best wireless power bank.

This power bank is MagSafe-compatible, can charge most phones up to three times, and includes a sturdy kickstand. It’s less powerful than many wired chargers but can still charge most phones at top speed.

Buying Options

Anker 633 Magnetic Battery

A wireless power bank with two usb charging ports.

This model can charge most phones up to three times, and its MagSafe wireless charging pad, USB-C PD port, and USB-A port have a combined output of 18 W. Its kickstand is a bit flimsy but still handy.

Upgrade pick

Satechi Duo Wireless Charger Power Stand

A wireless power bank with two qi charging pads.

This power bank has a combined output of 20 W and can charge most phones up to three times. It’s hefty and lacks MagSafe, but it can wirelessly charge multiple devices and its stand is super sturdy.

The ESR HaloLock Kickstand MagSafe Battery Pack (2G505) is the best choice for charging an iPhone 15 or other compatible device wirelessly when you’re in transit—whether you’re commuting, traveling, or just need a portable boost of power. It works with any Qi and/or MagSafe device, offering up to 10 W wireless charging speeds.

The sturdy metal kickstand works in landscape or portrait orientation, making it useful as a desktop dock or as a source of backup power while you’re watching movies on your handset. It weighs just 7.8 ounces and has a compact, streamlined shape that makes it easy to slip into a pocket or small purse.

Its USB-C Power Delivery (PD) port supports up to 20 W charging, allowing you to charge most phones (or the power bank itself) at top speed, and its pass-through charging capabilities allow you to recharge the power bank while simultaneously charging a phone or other device. Its combined maximum output of up to 20 W is as high as any model we tested, and with a rated capacity of 10,000 mAh it can fully charge most phones up to three times.

If the ESR HaloLock is unavailable, or you’d prefer a USB-A port to charge a third device, get the Anker 633 Magnetic Battery (A1641) . It’s about as compact and lightweight as our top pick, has just as much battery life, and (though not quite as sturdy as the ESR’s stand) includes a similar built-in kickstand.

Its MagSafe wireless charging pad can pass up to 7.5 W to compatible devices, its USB-C PD port supports up to 20 W charging speeds, and it adds a USB-A port, which can be handy for charging an additional device at up to 18 W charging speeds. Like our top pick, it has pass-through charging capabilities, though its combined maximum output (18 W) is slightly lower.

If you want the option to wirelessly charge multiple devices—say, an iPhone and a set of AirPods—the Satechi Duo Wireless Charger Power Stand is your best bet.

Like our top pick, it has pass-through charging, enough capacity to charge most phones up to three times, and a total maximum output of up to 20 W. Its USB-C PD port has up to 18 W of charging (output) or recharging (input) power. Its main wireless charging pad supports up to 10 W charging, and the entire top surface pops up to become a phone stand that’s more stable than the built-in kickstands of most models we tested.

Its second wireless charging pad is smaller and supports up to 5 W charging—making it well-suited for a smaller accessory, such as an Apple Watch. And while the Qi wireless charging pads lack the magnetic alignment of MagSafe, so they can’t easily be used in transit, both have a sufficiently grippy texture to keep devices in place during stationary charging.

The only notable drawback is its size—at 10.3 ounces, it’s slightly heavier than our other picks.

The research

Why you should trust us, who this is for, how we picked and tested, our pick: esr halolock kickstand magsafe battery pack (2g505), also great: anker 633 magnetic battery (a1641), upgrade pick: satechi duo wireless charger power stand, other good wireless power banks, what to look forward to, the competition.

I’ve been a science writer for nearly a decade, covering a wide variety of topics from particle physics to satellite remote sensing. Since joining Wirecutter in 2017, I’ve reported on electric vehicle chargers , rechargeable AA and AAA batteries , surge protectors , and more.

This guide builds upon the reporting of Nick Guy, a writer who has reviewed mobile accessories since 2011.

A portable charger allows you to carry a backup source of power with you at all times, rather than having to track down a wall outlet when you’re running out of juice. And if you have an iPhone, AirPods, an Apple Watch, or another device with Qi or MagSafe charging capabilities, a wireless power bank saves you the hassle of packing separate charging cables.

Perhaps the most practical way to use one is to keep it plugged in with your phone resting on top of it when you’re stationary (at home or in the office, say) and then take both devices with you when you’re ready to leave.

MagSafe power banks support wireless charging speeds up to 15 watts, which is the fastest wireless charging speed that iPhones and other compatible devices can achieve, while Qi and some non-certified MagSafe wireless charging accessories are limited to 7.5 W output. Our testing shows that MagSafe is faster than the fastest Qi charging, though not twice as fast. Neither is capable of attaining the 20 W needed to fast-charge most phones.

Qi2, a new standard supporting wireless charging speeds up to 15 W for both Apple and Android mobile devices, was announced in January 2023, but no Qi2-certified devices are available as of this writing.

To find the best wireless power bank, we combined the criteria we’ve previously used for Qi wireless chargers and portable power banks , including the following:

• Design: We considered how well the power bank was built, how it looked, how portable it was, and how effectively its surface or magnets held a phone in place. The thin coils inside the charger and phone transmit and receive power, respectively, when you place them next to each other, and if they’re misaligned, the connection may break and prevent your phone from charging.
• Capacity: More power is always better, and we especially looked for power banks offering the most battery life (measured in milliamp-hours, or mAh) for the weight and price.
• Charging ports: We considered each power bank’s number of ports as well as their capabilities. For models with at least one USB-A output port, we valued those with faster charging speeds (including 12 W and Quick Charge 3.0 ) more highly than those limited to 5 W or 10 W charging. We also preferred power banks with USB-C Power Delivery (PD) ports supporting at least 20 W power input and output.
• Wireless charging speed: Our tests have shown that a charger’s output level has little impact on how quickly most phones charge—that is, you don’t get a much faster charge from a higher-wattage charger. So although we tested for charging speed, the difference in results wasn’t particularly important. We just wanted to make sure none of the models performed far below average speeds.
• Safety-standard compliance: A charger certified by the Wireless Power Consortium has been tested in an authorized lab and found to be both safe and in compliance with the Qi standard. If a wireless charger isn’t certified, that doesn’t necessarily mean it’s unsafe or noncompliant, but (all other things being equal) we preferred it.
• Maker reputation: We considered models only from companies that we knew from past experience had a good reputation for warranty coverage and customer support. Even if a charger is WPC-certified, there’s no guarantee it will never have a problem, and help should be available if you need it.
• MagSafe: We gave preference to MagSafe-compatible battery packs, since they offer faster charging speeds and a more stable connection between the power bank and phone. Although only Apple products currently have built-in MagSafe compatibility, some protective cases can add MagSafe capabilities to Android phones as well.

We then tested both the wireless and wired charging capabilities of each model that met our criteria.

• Wireless charging: We tested wireless charging output from each power bank by completely draining the battery of an iPhone in airplane mode, placing it on the charging pad, and then measuring the charge level after 30 minutes and one hour.
• USB-A ports: We tested the maximum power draw from each port by plugging in an ammeter and a variable power load, and gradually increasing the power draw until the device overloaded and shut off.
• USB-C ports: We used the Total Phase USB Power Delivery Analyzer and its Data Center Software to verify the advertised charging speeds of each USB-C port.

The ESR HaloLock Kickstand MagSafe Battery Pack (2G505) is the best power bank to wirelessly charge an iPhone 15 or other compatible device while traveling between home, school, work, and more. It has as much battery capacity as any model we tested, a MagSafe wireless charging pad, a fast-charging USB-C PD port, and a handy built-in kickstand—and it’s small enough to tuck in a pocket or small purse, too.

It wirelessly charges any Qi and/or MagSafe device. This power bank is capable of passing up to 10 W wirelessly. If you have a phone or other device that supports Qi charging, you can place it atop the wireless charging pad to top off the battery. If your device supports MagSafe charging, it’ll adhere firmly to the surface of the charging pad, so you can charge it wirelessly while on the go (it’s also less likely to get disconnected if bumped or jostled during stationary charging).

It has a sturdy built-in kickstand. This model’s metal kickstand blends in seamlessly with the back of the unit, and it can be easily flipped open to prop up your phone for video chatting or streaming (at either a landscape or portrait orientation). Unlike some kickstands we’ve used, this one feels robust and firmly fastened to the body of the unit.

It’s compact and lightweight. Weighing just 7.8 ounces, or less than half a pound, it won’t add much bulk to a purse or backpack. And its sleek, slim shape makes it easy to slip into a pocket.

It has great battery life. With a capacity rating of 10,000 mAh, it has the potential to fully charge a phone thrice over. That’s more than enough battery life to keep most phones going throughout the day, even with moderate to heavy use.

It has a fast-charging USB-C PD port. Not only does this power bank support pass-through charging, but its 20 W USB-C PD port is capable of fast-charging most phones (or recharging the power bank itself) at top speed. When the port and wireless charging pad are both in use, their individual charging speeds will drop slightly, offering a maximum total output of 20 W.

It’s made by a reputable brand. We’ve had generally good experiences with ESR’s products and customer support in the past, and the company backs this model with a one-year warranty.

Flaws but not dealbreakers

• With a maximum output of 10 W from its wireless charging pad, it’s not quite as powerful as some models we tested. But it’s still on the higher end of wireless charging speeds, and since MagSafe allows you to charge while in transit, you won’t have to loiter next to a wall outlet while waiting for your phone to top up.
• It isn’t WPC-certified, but none of our picks are (and we didn’t notice any safety or performance issues in our testing).

The Anker 633 Magnetic Battery (A1641) is a similarly great option if our top pick is unavailable, or if you want more USB charging ports. In addition to a MagSafe wireless charging pad and USB-C PD port, it gives you a USB-A port to charge a third device. And its power, capacity, and overall design are on par with that of our favorite model.

It works with Qi and/or MagSafe devices. Like our top pick, you can use this power bank to wirelessly charge any phone or other device with Qi and/or MagSafe capabilities. If your device supports the latter, it’ll attach firmly to the main surface of the power bank, so you can toss both in a bag to charge while you’re out and about.

Its kickstand is flimsier than our top pick’s, but still handy. Though not quite as robust as that of our top pick (it seems a bit more likely to snap off unexpectedly), the metal kickstand on this power bank will keep your phone propped up during a Netflix binge or video call.

It’s small and light. About the size of a standard deck of playing cards, this power bank fits easily in most pockets and even the mini-est of mini bags . It’s a hair lighter than our top pick (7.6 ounces) and has an equally slim, sleek shape.

It has plenty of power. This model’s MagSafe wireless charging pad can pass up to 7.5 W to compatible devices, which (though slower than our top pick, and somewhat sluggish compared with others we tested) is within our preferred range of wireless charging speeds. Plus, it offers even more power over USB (up to 20 W in or out of the USB-C PD port, and up to 18 W out of the USB-A port).

It can charge up to three devices at once. Since it supports pass-through charging, you can charge up to two devices (on the wireless charging pad and/or from the USB-A port) while recharging the power bank itself via USB-C. When charging three devices simultaneously, the available power is split between them, resulting in a combined maximum output of up to 18 W.

It’ll keep your phone charged throughout the day. Like our top pick, this model has a capacity rating of 10,000 mAh, which is enough to fully charge most phones up to three times. Of course, if you use your phone a lot, or if you’re charging multiple devices simultaneously, the power bank will need to be recharged more frequently.

It’s made by a brand we trust. We’ve recommended numerous Anker products over the years and have found the customer support to be fast and reliable. Plus, the company backs this model with a two-year warranty, giving you plenty of time to use it and ensure you don’t have a dud.

If you regularly carry more than one device with wireless charging capabilities, get the Satechi Duo Wireless Charger Power Stand . It combines most of the features we prize in our other picks with the added versatility of our favorite multi-device wireless charging stands . It also has one of the most topple-proof phone stands of the power banks we tested, and it’s one of just a few with two wireless charging pads. But on the downside, it’s a few ounces heavier than most competitors and lacks MagSafe.

Its pop-up phone stand is the sturdiest we’ve tested. The entire top surface of the power bank, which contains the main wireless charging pad, can be folded upright into a phone stand, revealing a second wireless charging pad beneath it. The rest of the power bank forms a stable base for the propped-up phone, and four rubber dots on the bottom keep it from skidding across the tabletop.

It works with all Qi-compatible devices. Since it’s not MagSafe compatible, this power bank can’t be used for charging while on the go. However, once you get to your destination, it’s easy to set a device on top of the main Qi wireless charging pad. Three rubber dots help keep a phone or other device in place while it’s charging wirelessly, and when it’s propped up, a rubber ledge offers even more support.

The secondary charging pad, located in the base, has a grippy texture and shallow grooves around the edges to keep a small accessory—such as an Apple Watch or set of AirPods—from sliding out of place.

It’s on the heavier side but still highly portable. Weighing 10.3 ounces, this model is slightly bulkier than our other picks, but its rounded edges and slim shape still make it relatively easy to stow in a bag.

It’s powerful and can charge up to three devices simultaneously. The Satechi Duo has two wireless charging pads (the main one supports up to 10 W charging speeds, and the other up to 5 W) as well as a USB-C PD port that can charge a third device or the power bank itself at up to 18 W. It has pass-through charging capabilities and a total maximum output of 20 W.

It has enough juice for several commutes or a weekend trip. Like our top pick, this model has a capacity rating of 10,000 mAh, which is enough to fully charge most phones up to three times. Of course, if you use your phone a lot, or if you’re charging multiple devices simultaneously, the power bank will need to be recharged more frequently.

It’s made by a brand we trust. Satechi is a reputable brand that has been around since 2005. This particular model is backed by a one-year warranty, and we’ve generally found the company’s customer support to be fast and reliable.

If our top pick is unavailable and you don’t mind a slightly pricier model with a flimsier kickstand: Get the Baseus PPCXZ10 . Like our top pick, it has a MagSafe wireless charging pad and USB-C PD in/out port with pass-through charging capabilities. Also like that model, it weighs less than half a pound (7.5 ounces) and has enough capacity (rated for 10,000 mAh) to charge most phones up to three times. Plus, its warranty is twice as long (two years).

However, the Baseus model’s combined maximum output (up to 15 W) falls short of what we saw with our top pick. It also costs more ($50 at this writing), and the kickstand (the size and shape of which are not unlike a toothpick) seems like it could easily snap off.

If you want something lighter and cheaper than our top pick that doubles as a wallet, and don’t mind that it has half the capacity and no kickstand: Get the Mophie Snap+ Juice Pack Mini Wallet . Like the ESR HaloLock, this power bank has a MagSafe wireless charging pad and USB-C PD in/out port with pass-through charging capabilities. It’s one of the lightest models we tested (4.9 ounces) and costs just $18 at this writing. It also has a fabric exterior that’s extra comfortable to hold and a small slot in the back to hold a few credit cards (its stretchy material keeps cards snugly in place, but I still wouldn’t trust it to hold cash or anything irreplaceable).

On the downside, it has half the capacity of our picks (rated for just 5,000 mAh), and it’s less powerful (it maxed out at 12 W in our testing). Plus, it lacks a kickstand.

If you prefer a power bank with a fabric exterior and tripod mount, and you don’t mind that it’s heavier and pricier than our top pick: Get the Mophie Snap+ Powerstation Stand . Much like our top pick, it has a rated capacity of 10,000 mAh, a combined max output of 20 W, a MagSafe wireless charging pad, a USB-C PD in/out port, pass-through charging capabilities, and a built-in kickstand. Plus, it adds a tripod connector and a comfy fabric exterior. However, it weighs more than the ESR model (9.3 ounces) and costs more ($60) at this writing.

If you want something lighter than our top pick with a super-sturdy kickstand, and don’t mind that it has half the capacity and costs a bit more : Get the Mophie Snap+ Juice Pack Mini Stand . Weighing just 6.5 ounces, it has a MagSafe wireless charging pad with a maximum output of 15 W, and a USB-C port with up to 12 W output and up to 20 W input. Its aluminum kickstand is as tall and wide as the unit itself so it’s especially sturdy, and it has a small rubber lip on the bottom to make it even more skidproof. However, it costs a few bucks more than our top pick ($60 at this writing) and has a lower capacity (5,000 mAh, or enough to fully charge most smartphones at least once).

If you want a MagSafe power bank with more power than our upgrade pick , and you don’t mind that it’s heavier and pricier: Get the OtterBox 77-89452 . Like the Satechi Duo, this power bank has a rated capacity of 10,000 mAh, two wireless charging pads, a USB-C PD in/out port, pass-through charging capabilities, and a built-in kickstand. It’s also twice as powerful, with a combined maximum output of 40 W, and it adds the benefit of MagSafe on its wireless charging pads. Still, it’s one of the bulkiest and most expensive models we tested, weighing 12.2 ounces and costing $150 at this writing.

A slew of new products with Qi2 charging capabilities were announced in late 2023 and at the Consumer Electronics Show (CES) in January 2024. Qi2 uses rings of magnets to ensure easy alignment between phone and charger, but unlike MagSafe it’s not exclusively compatible with Apple products. It also allows any compatible device to charge at up to 15 W, which is twice as fast as the original Qi specifications.

We plan to test the following models against our current picks this spring, along with other Qi2-compatible power banks that are likely to launch later in the year:

• Anker MagGo Power Bank (6.6K) and Anker MagGo Power Bank (10K)
• Belkin BoostCharge Pro Magnetic PowerBank
• Hyper HyperJuice 10,000mAh Qi2 Power Bank
• InfinaCore P3 Pro
• Mophie Snap+ Powerstation Mini Stand

This is not a comprehensive list of models we’ve tested. We have removed discontinued models and those that no longer meet our criteria.

Qi chargers

The Anker PowerCore 10K Wireless costs about the same as our top pick and performed similarly in our testing, but it doesn’t have a kickstand, MagSafe compatibility, or any other noteworthy features.

The Einova Power Bar has more wireless charging pads, safety and performance certifications, and included accessories than any of our picks. But it also offers less capacity for the size and price compared with those models, it lacks MagSafe compatibility, and it doesn’t have a kickstand.

The Lenovo GO Wireless Power Bank lacks MagSafe compatibility, and it has a flawed built-in cable design that makes it nearly unbearable to use.

The OtterBox 78-52163 offers less power for the size and/or price compared with otherwise similar models, and it’s not MagSafe compatible.

The RapidX MyPort comes with a desktop dock, but it’s not as convenient or reliable as the built-in kickstands of most models we tested, and it’s not MagSafe compatible.

The STM PowerKick performed fine in our testing, but it lacks MagSafe compatibility, and its most noteworthy feature (a suction-cup attachment system) only works reliably with bare phones or some case materials.

The following models offer ample capacity for the size and price, but they’re not MagSafe compatible, and they lack a kickstand:

• Mophie Powerstation Wireless XL with PD (fabric)
• OtterBox 78-80642
• OtterBox 78-80690

MagSafe chargers

The Anker 621 Magnetic Battery (A1610) , Anker 622 Magnetic Battery (A1611) , and Anker 622 Magnetic Battery (A1614) , are lighter and cheaper than our picks, but they have half the capacity and no additional features.

The Baseus PPCXW06 is lighter and cheaper than our picks, but it has a lower rated capacity and no additional features.

The Baseus PPCXM10T has a handy built-in cable, but it’s relatively short, and otherwise comparable models offer more power for the size and/or price.

The ESR HaloLock Power Bank with Wallet (2G513) offers less power for the size and/or price compared with similar models. Also, the kickstand seems more likely to snap off than others we tested (and if it does, you also lose the attached card holder).

The OtterBox Multi-Mount Power Bank with MagSafe (15W) 77-89445 comes with a desk stand, car vent mount, and wall charger. However, the power bank itself isn't exceptional, and we think most people would be better off buying each of these devices individually if they need them.

The Scosche GoBat MS 5K (PBQ5MS-SP) is lighter and cheaper than our picks, but it has half the capacity and no additional features.

The Zens Magnetic Dual Powerbank supports wireless charging to a second device, but it has a smaller battery capacity and is more expensive than otherwise comparable models.

The following models offer less battery life for the size and/or price compared with otherwise comparable models, and they lack any other standout traits or features:

• Apple MagSafe Battery Pack
• Belkin BPD001
• Belkin BPD002
• Belkin BPD004
• Hyper HyperJuice Magnetic Wireless Battery Pack
• Mophie Snap+ Juice Pack Mini
• Mophie Powerstation 10K Stand with MagSafe
• OtterBox 78-81175

This article was edited by Ben Keough and Erica Ogg.

Meet your guide

Sarah Witman

Sarah Witman is a senior staff writer who reports on powering and charging technology for Wirecutter. She previously worked as a writer, editor, and fact checker for several science magazines. Though she researches and tests chargers for a living, her phone battery is usually low.

Further reading

The Best Power Banks for Laptops With USB-C

by Sarah Witman

The Anker 747 PowerCore 26K is our favorite power bank for charging modern laptops as fast as possible while you’re on the go—no need to hunt for a power outlet.

The Best Portable Chargers and Power Banks for Phones and Tablets

Our power bank picks allow you to pack hours of extra battery life in a pocket or purse to charge a phone, tablet, or other small electronic device.

The Best Portable Laptop Charger

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The 9 Best Portable Chargers For Travel

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Best power banks 2024: The top portable chargers for devices

Traveling often involves taking along multiple devices—smartphone, tablet, laptop, and the like. But you won’t always have access to a wall outlet to charge all, or even any, of them. That’s why it’s important to add a power bank to your pack. But with so many options available, how do you know which power bank best suits your needs? Everything from various charging specs, to different ports, to the included cables need to be considered before making a purchase.

That’s where we come in. We’ve tested a ton of power banks from different manufacturers spanning the range of available price points and specs. We’ve curated a list of our favorites to help you find the best value. You can rest assured that our recommendations are all great picks as the PCWorld staff puts each power bank through a battery—pun intended—of tests. You can learn more about our evaluation process below our picks.

While our recommendations reflect a range of needs, if you need something more substantial to power your appliances while off-grid or during an emergency, check out our roundup of best power stations .

Updated 11/22/2023: Looking for a hybrid power bank capable of recharging a laptop? We loved the Anker 521 PowerCore Fusion 45W , a 5,000mAh power bank that can also charge MacBooks and other thin-and-light laptops as well as USB devices like phones, tablets, and earbuds. You can read more about it in our review.

Anker 511 PowerCore Fusion 5K – Best budget USB-C power bank

• Slim, compact size
• Both a battery and a wall charger
• Charging a device at the wall takes up the whole outlet

The Anker 511 FusionCore 5K is a great travel companion, particularly when out and about in a city. Its hybrid design makes it ideal if you don’t like to carry much but always want an adequate charge for your phone—though it does take up an entire wall outlet when used as a charger.

PowerCore Fusion 5000 2-in-1 Portable Charger and Wall Charger – Best budget USB-A power bank

• Built-in wall adapter
• Two USB ports
• Not the most efficient battery pack we’ve tested

This older Anker model may not be as svelte as the newer 511 variation, but the PowerCore Fusion 5000 is still an extremely convenient combo wall charger and portable power bank—especially if you have devices that still use USB Type-A cables. The bank itself can be recharged via either method—power outlet or MicroUSB port. It’s limited to two USB-A ports for device charging, but that doesn’t diminish its great handiness-to-cost ratio.

Einova Laptop Power Bank – Most stylish power bank

• The display is actually useful
• Fabric covering is a nice touch
• Above-average efficiency
• Both USB ports should have the same charging speeds

With its stylish fabric-clad body, its discreet yet useful battery-status display, and its three USB ports (one of which is USB-C), Einova’s power bank adds flair and above-average battery efficiency to your everyday carry.

RAVPower Portable Power Station 252.7Wh Power House – Best small power station

• Small form factor
• Plenty of ports
• Comes with a case and built-in flashlight
• Built for quick trips, not for extended use

There are times when a mere power bank isn’t enough—the circumstances call for a power station.  Say you’re spending the weekend off the grid. Or you want to be prepared for a future emergency. The RAVPower Portable Power Station 252.7Wh Power House will get the job done. With a capacity near 252.7Wh, a nice complement of ports, a built-in flashlight, and an included carrying case, this highly portable power station makes a great travel companion for road trips. (For more options, see our roundup of the best portable power stations .)

How we test

Determining whether a power bank lives up to a company’s promise entails more than simply connecting it to a phone and charging. Testing battery packs is done over weeks, not days, and requires extra equipment in order to ensure the batteries work as expected.

1. Upon receiving each battery pack, it’s fully charged, using indicator lights as a means to track charge level.

2. Then to track efficiency, we use an  AVHzY USB Power Meter  in tandem with a  DROK Micro Load Tester .

As we use the DROK load tester to drain the pack of power, we are able to test against a battery’s stated maximum current, and verify that proper shutdown mechanisms are in place should something go wrong during a charging session (such as a device drawing over the maximum amps).

By using the AVHzY USB Power Meter, we are able to monitor volts and amps, total power throughput, and total amount of time to deplete a battery from full to empty. The meter can create an Excel spreadsheet of the entire process for future reference.

3. Next, we recharged the battery, this time using the AVHzY to track it and chart the amount of time it takes to reach full charge.

The AVHzY meter solves a shortcoming we had with our previous method with the PortaPow. Previously we had to use a GoPro camera to track each battery through its charge cycle, as the PortaPow monitor would continue to collect data after the battery was fully charged (trickle charging is normal, and unfortunately interferes with our testing).

If a battery was capable of charging through USB-C, we use that instead of Micro-USB.

4. The AVHzY also has a feature built in that checks a charging port for all of its supported charging standards. We are able to run that test and get an instant readout to confirm support for QC 3.0, for example, without needing to have compatible phones or devices on hand.

Power source and cables All of our tests were conducted using the same wall adapter and, when possible, USB-C or Micro-USB cable. This was done to eliminate any discrepancies with wall adapters and cable throughput.

What to look for in a portable power bank

Without fancy testing equipment, you never truly know if you’re getting what you paid for with a battery pack. Vendors, especially in Amazon listings, like to throw around a lot of terms and certifications.

Here are a few tips to help you make a decision:

• For those with a compatible device, make sure the battery pack is Quick Charge 2.0, 3.0, or PD certified. Depending on your smartphone, this can make a big difference in performance. If you own a QC 2.0 device, however, ask yourself if paying extra for a QC 3.0 capable pack is worth it.
• Don’t put 100 percent confidence in a company’s claims of a pack being able to charge, say, a Galaxy S8 or iPhone X six times over. Battery capacity and efficiency varies based on a number of factors. Read this Macworld report on USB-C packs  to learn more about batteries and capacity.
• Look at the specs of the battery, and ensure that its input isn’t limited to slow charging such as 5V/1A. The faster the input, the faster your battery pack rechargers, the faster you’re ready to hit the road.

What devices can a power bank charge?

Power banks are most commonly intended to charge mobile devices such as cellphones, tablets, cameras, and portable speakers. They can also be used to charge laptops provided the ports allow for it and the power charging rate is compatible.

Power banks are generally not suited to charging larger electronic devices in your home. If you’re looking for a backup power source during an emergency or while camping, you should instead opt for a power station .

What is mAh capacity?

The mAh (milliampere per hour) capacity rating refers to the available storage capacity for a battery. A higher number means that the battery can store more energy and has a longer battery life when charging a device. So for example, an iPhone 13 Pro Max’s battery is rated at 4,352 mAh. This means that a power bank with 10,000 mAh can fully recharge that phone a little over twice before running out of power.

What battery capacity should you look for?

For a portable power bank that you can easily travel with, you should look for a minimum of 10,000 mAh. Most models nowadays even offer 20,000 mAh for reasonable prices. The more mAh, the better, just be sure to weigh your capacity needs against the physical size of the power bank.

Generally, the more mAh a power bank has, the larger its physical size and the heavier it is as well. Therefore, it is recommended when looking at a power bank, that you first consider the amount of power you need to charge your devices and then adjust your expectations based on the size and weight you are willing to carry around with you.

How fast can a power bank charge my devices?

How fast your power bank can charge a device is dependent upon the available output of the power bank and the available input of the device. Without getting too much into the electrical details, a standard 3,000mAh device such as a smartphone can be expected to charge in about 90 minutes by most power banks. However, many power banks nowadays come with quick charge technology, which helps speed up the process even more. Larger devices such as tablets and laptops may take much longer to charge as they require much higher inputs than smartphones.

Always double-check that the power bank you want has an output that matches or exceeds the input of your device to ensure the fastest possible charging.

What is the lifespan of a power bank?

Power bank lifespan is determined by a few factors such as how often you charge the power bank, the quality of the power bank itself, and the conditions in which the power bank is kept. That being said, you should expect a high-quality power bank that is charged every few days and kept in a cool dry place to last several years or more.

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'ZDNET Recommends': What exactly does it mean?

ZDNET's recommendations are based on many hours of testing, research, and comparison shopping. We gather data from the best available sources, including vendor and retailer listings as well as other relevant and independent reviews sites. And we pore over customer reviews to find out what matters to real people who already own and use the products and services we’re assessing.

When you click through from our site to a retailer and buy a product or service, we may earn affiliate commissions. This helps support our work, but does not affect what we cover or how, and it does not affect the price you pay. Neither ZDNET nor the author are compensated for these independent reviews. Indeed, we follow strict guidelines that ensure our editorial content is never influenced by advertisers.

ZDNET's editorial team writes on behalf of you, our reader. Our goal is to deliver the most accurate information and the most knowledgeable advice possible in order to help you make smarter buying decisions on tech gear and a wide array of products and services. Our editors thoroughly review and fact-check every article to ensure that our content meets the highest standards. If we have made an error or published misleading information, we will correct or clarify the article. If you see inaccuracies in our content, please report the mistake via this form .

My favorite power bank for traveling is waterproof and surprisingly lightweight

The Klarus K5 easily withstanding the elements.

ZDNET's key takeaways

• The Klarus K5 waterproof power bank is available on Amazon for $70.
• This is a rugged, water- and dust-resistant power bank that's wrapped in genuine carbon fiber, making it about 30% lighter than other equivalent units.
• No covers for the USB ports allow dirt and water to collect, and there's no bigger option available.

I've tested and owned countless power banks—I easily test over a hundred new ones each year—and they often come packed with various bells and whistles. However, in a world where most smartphones can withstand a good soaking, it's rare to find power banks that offer comparable durability.

So, whenever I encounter a power bank that's rated for water and dust resistance, it immediately captures my interest. This kind of resilience in a power bank is not only impressive but incredibly practical for anyone leading an active, outdoor lifestyle.

Also:  My favorite USB-C accessory of all time has a magnetic superpower

The Klarus K5 did just that, a carbon fiber clad power bank that has it all – it's ultralight, ultrathin, and waterproof to IP68. 

Klarus K5 tech specs

• Capacity : 10000 mAh
• Input USB-C : 5V⎓3A / 9V⎓2A / 12V⎓1.5A
• Output USB-A/USB-C : 5V⎓3.1A / 9V⎓2.5A / 12V⎓1.68A
• Trickle-charging : Yes, down to 20 mA
• Water/dust-resistance : IP68
• Dimensions : 105.7 x 63.4 x 13.6 mm
• Weight : 157 g 

Let's delve into the IP68 rating. "IP" stands for "Ingress Protection," as defined by the international standard IEC 60529 . An IP rating includes two digits; the first indicates the level of protection against solid particles (ranging from rocks to dust), and the second digit denotes liquid protection. The IP68 rating signifies that the device is completely dust-resistant (that's the "6") and waterproof beyond 1 meter (that's the "8"), in this case, the K5 is waterproof down to 10 meters.

I've thoroughly tested the dust and water resistance of this power bank, and it impressively shrugs off both elements. However, I do wish it had port covers for the USB ports to prevent dirt, dust, and water from getting inside. While a quick shake is enough to remove water, extracting dust and sand can be more challenging. 

Giving the Klarus K5 a good soaking!

The next standout feature of the K5 is its sleek design. It's both ultrathin and ultralight, making it extremely portable. The carbon fiber exterior not only enhances its durability but also adds a stylistic flair. It features a USB-C port that serves both as an input and an output, and a USB-A port to accommodate legacy devices. 

Additionally, the power bank is equipped with a small on/off button, alongside a tiny but clear LCD display that shows the remaining battery capacity. These thoughtful features combine functionality with a modern, rugged look, making the K5 both practical and attractive.

The LCD display is small, but easy to read.

While there are certainly larger power banks available, the 157-gram Klarus K5 is ideal for lightweight adventures. the 10,000 mAh capacity offers enough power for multiple recharges of my iPhone 15 Pro Max or can keep my GoPro running overnight for timelapse photography. I'm really pleased with its small and lightweight design.

Also:  The best power banks you can buy: Expert tested

In fact, it is approximately 30 percent lighter than other power banks with comparable capacity, a claim by the manufacturers that I find to be accurate. This makes it an excellent choice for those who prioritize portability without sacrificing performance.

The carbon fiber surface is durable and looks good.

As with all my reviews, I rigorously tested the K5 power bank against the claims made on its spec sheet regarding capacity and power outputs over a number of charge and discharge cycles. I'm pleased to report that it passed with flying colors. This is a really well-made power bank, both inside and out. Its performance matches its impressive design, making it a reliable and stylish choice for keeping your devices powered up.

Testing the output on the Klarus K5.

ZDNET's buying advice

The Klarus K5 power bank is a fantastic little device. It's compact and lightweight enough to easily slip into a pocket or bag, yet it packs enough power to keep you charged throughout the day. Its sleek design and carbon fiber outer is not only visually appealing but also rugged enough to withstand the rigors of hikes or off-grid adventures. 

I'm cautious about dirt—particularly sand—getting into the ports, so I keep it in a ziploc bag when heading into particularly harsh environments to avoid the hassle of cleaning the ports later. Apart from this minor precaution, the Klarus K5 is about as close to perfect as a power bank can get and has earned a place in my hiking kit

Featured reviews

I found the goldilocks of portable power stations (and it's currently on sale), this portable power station has a standout feature that makes camping safer than ever, the best portable power stations for camping: expert tested.

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The best portable iPhone chargers right now

The best power banks to turn to when your iphone's running out of juice.

We tested several power banks specifically designed for iPhones, AirPods, and Apple Watch, and these are our top few picks. We recommend some of these solely for their portable form factor and others for how powerful they are. But these are great under $100 solutions for replenishing your Apple tech.

The editorial staff of Gizmodo independently tests and reviews each product found in our Buyer’s Guides. If you purchase something using our affiliate links, G/O Media may earn a commission. Affiliate linking does not influence our editorial content.

Satechi Quatro Wireless Power Bank

This power bank can wirelessly charge an Apple Watch, another Qi-compatible device, and two devices connected to USB ports simultaneously. The good thing about it is that it is a more convenient alternative to carrying a rat’s nest of charging cables and wall warts if you travel, as you can top off multiple devices without finding a power outlet. At $100, though, it isn’t an economical choice as you can get similar 10,000 mAh power banks much cheaper than the Quatro. Also, its smartwatch charger only works with the Apple Watch, so this won’t be of much value to you if you need to charge non-Apple devices. But if you’re fully trapped inside the Apple ecosystem, the Satechi Quatro is a great one-stop solution for all your Cupertino tech. Read More —Andrew Liszewski

Satechi Duo Wireless Charger Power Stand

I found the Satechi Duo Wireless Charger brimming with functionality. It offers a nice stand for docking your phone vertically as it charges. This unique build comes in handy for hands-free video calling or taking meetings. The stand is also fully adjustable, so you can decide at what angle you want to use it. While it supports your phone on its stand, it offers space for your AirPods and Apple Watch on its base. Totaling 10,000 mAh, the Satechi Duo offers 10W of fast charging power across all three devices simultaneously.

Even at just 50% charge, it could replenish my iPhone 12 Pro Max and Moto Razr+ entirely and still had sufficient juice left.

Belkin BoostCharge Power Bank 20K

The Belkin BoostCharge power bank is a solid device that charges multiple devices simultaneously. This isn’t one of those small, inconspicuous portable batteries you can tuck in your jeans pocket. It is an unashamedly big and beefy power bank that offers a total of 15W that can power up to three devices. It provides two 12W and one 15W port, and, as the name suggests, you get 20,000 mAh on the BoostCharge.

I could wirelessly charge my iPhone 12 Pro Max from 23% to 100% in around 20 minutes, which is pretty impressive and in line with the company’s claims of charging an iPhone 15 Pro in 35 minutes. I used a Type-C cable to recharge my iPad with this power bank, but it was much slower. My iPad Pro went from 17% to fully charged in around two hours.

Anker PowerCore Magnetic 5K Portable Wireless Charger

Anker’s PowerCore Magnetic 5K is a portable wireless charger with a 5,000 mAh battery that attaches to the back of any iPhone 12 model using magnets. It is also the smallest portable wireless charger we’ve tested to date. If you spend more than a grand on the latest iPhone for $40, the PowerCore Magnetic 5K is a no-brainer accessory. Even if Apple releases a thinner MagSafe charging solution that offers faster charging times and a more svelte design, it will undoubtedly be considerably more expensive than what Anker already has. Read More — Andrew Liszewski

This list is updated regularly with new recommendations and product forecasts.

A version of this article originally appeared on Gizmodo .

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Stay powered on your adventures with up to 57% off Anker charging accessories

Don't let your phone die when you're far from an outlet with these Anker charging accessory deals at Amazon.

By Amanda Reed | Published Apr 16, 2024 12:46 PM EDT

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Warmer weather means frolicking in the great outdoors and soaking up all the sun-derived serotonin. However, all-day high jinks can leave your phone juiceless, between using your favorite GPS apps to find the perfect picnic spot and streaming your favorite hangout album on your portable Bluetooth speaker . Don’t even get us started on warmer temperatures draining your phone battery ! Thankfully, Anker’s charging accessories are on sale at Amazon , meaning you can have enough power to get home after your adventure.

Anker Prime Power Bank $104.99 with coupon (Was $129.99)

Charge your laptop, phone, portable speaker, and more with this powerful portable charger that packs 20,000mAh of extra juice. That equates to charging a 16-inch MacBook Pro to 50 percent in 40 minutes. A smart digital display helps you keep tabs on your remaining charge, input, and output. It comes with a USB-C to USB-C charging cable, so you’ll have to find a USB-C to Lightning cable if you still live that previous-gen iPhone life.

Here are more Anker deals to keep you charged all day long:

• Anker Prime 27,650mAh Power Bank (250W) with 100W Charging Base $164.49 (Was $234.99)
• Anker 552 [USB]-[C] [Hub] (9-in-1) with 100W Power Delivery $29.99 (Was $69.99)
• Anker 7-in-1 65W USB-C Power Strip and Charging Station $45.99 (Was $65.99)
• Anker 727 Charging Station (GaNPrime 100W) $65.95 (Was $99.99)
• MacBook Pro Charger, Anker 100W Fast Charger $29.99 (Was $45.99)
• Anker Power Bank USB C Charger Block $29.99 (Was $39.99)
• Anker Nano Portable Charger for iPhone $17.99 (Was $25.99)

Amanda Reed is a commerce updates writer at Popular Science. She makes sure all product round-ups are up-to-date, shares deals happening all over the internet, and reviews various gizmos and gadgets.

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We're Charged Up About All of These Deals on Anker Power Banks and Chargers

T here's a certain kind of mental panic you feel when that battery bar on your phone or laptop starts blinking and you know that you're just about out of juice. If you can't find an outlet and the appropriate cord you'll be cut off from your digital life. Thankfully, there are companies like Anker that are devoted to providing you power accessories in every shape and size, from palm-sized power banks to beefy batteries. And right now, Amazon is offering a ton of big discounts as much as 57% off on a ton of their products. Here are three of the best deals we found.

Anker MagGo Power Bank

$67.49 at Amazon

$89.99 Save $22.50

Wireless charging is a feature that more people need to take advantage of, because it eliminates the eternal struggle of finding a cord that has the right plugs on both sides. Apple's obviously the biggest offender with their Lightning cables, thankfully phased out, but a device like Anker's MagGo power bank cuts the cord completely, allowing you to deploy ultra-fast 15W Qi2-certified charging to compatible devices. It's a breeze to use not only for iPhones but also Apple Watches, AirPods and other electronics, and the included smart display lets you check battery status with ease. This is a solid 25% discount.

Look no further for our picks of the Best Portable Chargers and Power Banks for 2024.

Anker 9-In-1 USB-C Hub With Charger

$29.99 at Amazon

$69.99 Save $40.00

One of the most frustrating experiences in the world is when you buy a new laptop and realize that it doesn't have the ports you need to plug in all your peripherals. I use a graphics tablet, an audio interface and more and my otherwise totally fine HP portable becomes a battleground of plugging and unplugging. That is, until I caved and bought a USB-C hub to keep it all in one spot. The Anker 552 is a godsend for people like me, with two 5 Gbps USB 3.0 data ports, two 480 Mbps USB-A ports, a 4K HDMI port, a 100W PD-IN port, an Ethernet port, and SD/microSD card slots. It works with Mac and Windows laptops and supports up to 100W pass-through charging. Right now it's a whopping 57% off.

Anker 727 Charging Station

$65.95 at Amazon

$99.99 Save $34.04

Using gallium nitride semiconductors allows Anker to create charging devices that are more efficient and switch faster than silicon-based units. A great example is the 727 charger, which has a little bit of everything: 2 USB-C ports, 2 USB-A ports, and 2 AC plugs with a total maximum output of 100W. It's lightning-fast and extremely small, measuring just 0.7 inches thick. Anker's ActiveShield 2.0 heat monitoring technology keeps it at a stable temperature no matter how many devices you're charging.

Don't forget to check out more of Anker's deals .

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The WNBA Draft was the talk of the sports world Monday, as all 12 teams had cause for excitement adding new players to their roster and everyone improving.

With Caitlin Clark going No. 1 — as expected — to the Indiana Fever, their WNBA Finals odds got quite the boost for the upcoming season.

Last year, the Fever opened 110/1 to win the WNBA Finals. They now enter the 2024 season at 35/1 on FanDuel Sportsbook , a nice increase in probability with the addition of Clark .

The Fever have the seventh-best odds to win the title, with the Aces, Liberty, Storm, Sun, Wings and Mercury ahead of them.

The first two are the clear favorites, as the Aces (+100) are the reigning back-to-back champions, and the Liberty (+230) falling just short in Game 4 of the WNBA Finals.

WNBA Finals odds

Way down the odds board, you’ll see the Los Angeles Sparks, who picked No. 2 and are tied for the worst odds to win the WNBA Finals.

They’re in the midst of a massive rebuild, having just drafted Cameron Brink and losing forward Nneka Ogwumike, who departed for the Seattle Storm.

Get the lowdown on the Best USA Sports Betting Sites and Apps

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The Sparks did not get the same odds boost from the addition of Brink that the Fever got from Clark.

Los Angeles was 55/1 to win the WNBA Finals at the beginning of last season but are 85-1 this season.

The Sparks could be primed for another top draft slot next season.

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Rosatom Starts Production of Rare-Earth Magnets for Wind Power Generation

TVEL Fuel Company of Rosatom has started gradual localization of rare-earth magnets manufacturing for wind power plants generators. The first sets of magnets have been manufactured and shipped to the customer.

In total, the contract between Elemash Magnit LLC (an enterprise of TVEL Fuel Company of Rosatom in Elektrostal, Moscow region) and Red Wind B.V. (a joint venture of NovaWind JSC and the Dutch company Lagerwey) foresees manufacturing and supply over 200 sets of magnets. One set is designed to produce one power generator.

“The project includes gradual localization of magnets manufacturing in Russia, decreasing dependence on imports. We consider production of magnets as a promising sector for TVEL’s metallurgical business development. In this regard, our company does have the relevant research and technological expertise for creation of Russia’s first large-scale full cycle production of permanent rare-earth magnets,” commented Natalia Nikipelova, President of TVEL JSC.

“NovaWind, as the nuclear industry integrator for wind power projects, not only made-up an efficient supply chain, but also contributed to the development of inter-divisional cooperation and new expertise of Rosatom enterprises. TVEL has mastered a unique technology for the production of magnets for wind turbine generators. These technologies will be undoubtedly in demand in other areas as well,” noted Alexander Korchagin, Director General of NovaWind JSC.

For reference:

TVEL Fuel Company of Rosatom incorporates enterprises for the fabrication of nuclear fuel, conversion and enrichment of uranium, production of gas centrifuges, as well as research and design organizations. It is the only supplier of nuclear fuel for Russian nuclear power plants. TVEL Fuel Company of Rosatom provides nuclear fuel for 73 power reactors in 13 countries worldwide, research reactors in eight countries, as well as transport reactors of the Russian nuclear fleet. Every sixth power reactor in the world operates on fuel manufactured by TVEL. www.tvel.ru

NovaWind JSC is a division of Rosatom; its primary objective is to consolidate the State Corporation's efforts in advanced segments and technological platforms of the electric power sector. The company was founded in 2017. NovaWind consolidates all of the Rosatom’s wind energy assets – from design and construction to power engineering and operation of wind farms.

Overall, by 2023, enterprises operating under the management of NovaWind JSC, will install 1 GW of wind farms. http://novawind.ru

Elemash Magnit LLC is a subsidiary of Kovrov Mechanical Plant (an enterprise of the TVEL Fuel Company of Rosatom) and its main supplier of magnets for production of gas centrifuges. The company also produces magnets for other industries, in particular, for the automotive

industry. The production facilities of Elemash Magnit LLC are located in the city of Elektrostal, Moscow Region, at the site of Elemash Machine-Building Plant (a nuclear fuel fabrication facility of TVEL Fuel Company).

Rosatom is a global actor on the world’s nuclear technology market. Its leading edge stems from a number of competitive strengths, one of which is assets and competences at hand in all nuclear segments. Rosatom incorporates companies from all stages of the technological chain, such as uranium mining and enrichment, nuclear fuel fabrication, equipment manufacture and engineering, operation of nuclear power plants, and management of spent nuclear fuel and nuclear waste. Nowadays, Rosatom brings together about 350 enterprises and organizations with the workforce above 250 K. https://rosatom.ru/en/

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See the First Bank Notes Featuring King Charles

The currency will go into circulation beginning in June.

This morning, the Bank of England presented King Charles with the first bank notes featuring his image.

Per Buckingham Palace, this is the first time The Bank of England has changed the image of the monarch on a banknote, as Queen Elizabeth was the first monarch to appear on a Bank of England note back in 1960. King Charles shared that he thought the design was "very elegant."

"I am very proud that the Bank is releasing the design of our new banknotes which will carry a portrait of King Charles III," Governor Andrew Bailey said in a statement . "This is a significant moment, as The King is only the second monarch to feature on our banknotes."

You can see a close up of the £5 and £10 notes here:

The portrait of Charles on the new currency is based on a picture taken in 2013. Unlike in the image of Queen Elizabeth that was on UK bank notes, Charles does not wear a crown. The notes will enter circulation on June 5, 2024, but per the BBC , " there will be a gradual introduction for the King Charles banknotes, with the current Queen Elizabeth notes remaining in use until they become worn or damaged."

According the Bank of England , "Our approach is in line with guidance from the Royal Household , to minimise the environmental and financial impact of this change. This means the public will begin to see the new King Charles III notes very gradually." In December 2022, new fifty pence coins with Charles's image entered circulation, and in March 2023, the first King Charles stamps were issued.

Emily Burack (she/her) is the Senior News Editor for Town & Country, where she covers entertainment, culture, the royals, and a range of other subjects. Before joining T&C, she was the deputy managing editor at Hey Alma , a Jewish culture site. Follow her @emburack on Twitter and Instagram .

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