Updated December 2022
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BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We only make money if you purchase a product through our links, and all opinions about the products are our own. Read more  
BestReviews spends thousands of hours researching, analyzing, and testing products to recommend the best picks for most consumers. We buy all products with our own funds, and we never accept free products from manufacturers.Read more 
Bottom line
Best of the Best
Anker PowerCore 26800 Portable Charger
PowerCore 26800 Portable Charger
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Triple Ports
Bottom Line

This portable charger boasts impressive power capacity and can charge 3 devices simultaneously.


Boasts 26,800 mAh of power to recharge most smartphones over 6 times and standard tablets twice. Offers 3 USB charging ports for simultaneous triple charging. Dual MicroUSB input ports allow full unit recharge in 6 hours. Integrated power quality and safety features.


A bit pricey. Weighs more than 1 pound (17.46 ounces).

Best Bang for the Buck
Anker 313 Power Bank
313 Power Bank
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Slim & Light
Bottom Line

A slim and hardy portable charger that packs a lot of juice in a pocket-sized package.


Slim palm-sized device fits in a pocket. Weighs half a pound. Packs 10,000 mAh of power. Fireproof shell comes in black or white. Completely charges most smartphones more than twice and smaller tablets more than once. Offers trickle charging. Recharges via USB-C or MicroUSB.


Does not charge devices via USB-C or MicroUSB ports.

Anker PowerCore 20100 mAh Portable Charger
PowerCore 20100 mAh Portable Charger
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Fast Dual Ports
Bottom Line

A longstanding favorite with ample power capacity and fast dual charging ports.


Supplies 20,100 mAh of power. Dual charging ports supply a total of 4.8 amps to 2 devices at once. Can recharge most smartphones 5 to 7 times. Boasts protection against surges and short circuits. Matte finish for grip. Comes in 4 colors.


Somewhat too long and heavy to fit in a pocket. Unit itself takes time to recharge.

Anker PowerCore 13000 Ultra-Portable Phone Charger
PowerCore 13000 Ultra-Portable Phone Charger
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Handy Capacity
Bottom Line

This handy-sized portable charger boasts 2 ports and enough power for multiple phone recharges.


Compact, handy size. Dual ports to charge 2 devices simultaneously. Capacity of 13,000 mAh can recharge a smartphone 3 to 5 times or a tablet twice. Supports fast charging with up to 3 amps output. Integrates safety features.


At just over half a pound, a little heavy for its size.

Anker 521 Magnetic Battery Portable Charger
521 Magnetic Battery Portable Charger
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Most Convenient
Bottom Line

Anker’s charger for MagSafe-equipped iPhones is easy to carry for a long day out, according to our user testing.


Connects and charges wirelessly via MagSafe to compatible iPhones. Packs 5,000 mAh of energy, enough for an almost full recharge of an iPhone. Multi-directional USB-C port charges and distributes power as necessary. Runs cool.


Added noticeable bulk to the iPhone in our testing.


We recommend these products based on an intensive research process that's designed to cut through the noise and find the top products in this space. Guided by experts, we spend hours looking into the factors that matter, to bring you these selections.

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Buying guide for best anker portable chargers

We live in an age where our smartphones are an extension of our lives — they keep everything organized for us, from phone numbers to banking information. But all smartphones have the same problem: they can only go so long on a single battery charge before having to be connected to a power source to recharge. Thankfully, there’s a gadget for that, too: a portable charger.

Portable chargers are small batteries that connect to your smartphone’s standard charging cable and deliver a refill anywhere. Portable chargers come in a variety of sizes — from the size of a tube of lip balm for a quick top off to a brick-size charger that can recharge your phone, tablet, and Bluetooth headphones all at the same time.

The biggest name in portable chargers is Anker, a company focused on power solutions ranging from outlets with USB ports to portable chargers of all shapes and sizes. If you’re looking for a portable charger that’s efficient and affordable, you’re going to want one from Anker. Here’s everything you need to know to pick out the right one and a few of our favorites, too.

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The Federal Aviation Administration (FAA) doesn’t allow portable chargers in checked luggage, but they are allowed in carry-ons. Tech rules in the sky are constantly evolving, so check the FAA website before your next trip to be certain you’re following the law with your portable charger.

Key considerations

Not sure where to start your search for an Anker portable charger? Begin by answering these questions to get a general sense of which models you should be looking at.

How many devices do you need to charge at once?

One of the biggest differentiators between portable chargers is the number of devices they can support simultaneously. Most of the models with smaller batteries are meant to only charge one device at a time, while the more expensive chargers with bigger batteries can sometimes charge up to three at once. Just keep in mind that charging multiple devices simultaneously usually means that they’ll get power more slowly than they would if they were plugged in one at a time.

How much total power do you need?

If you’ll be using your Anker portable charger with multiple devices, it’s a good idea to get one with enough power to charge all of them at least once before needing to be plugged in itself. Spend some time determining how much power you’ll need in total before you start shopping.

How will your devices connect to your portable charger?

Most devices connect to a portable charger with a USB 2.0 or USB 3.0 cable (keeping in mind that USB 3.0 can charge faster). Some cutting-edge portable chargers offer USB-C connections, which is even faster than USB 3.0. Before you buy an Anker portable charger, spend some time thinking about how you’ll be connecting your devices to it, and then make sure the one you buy supports the connectivity options you need.

Anker portable charger features

There are two main metrics you can use to compare portable chargers: milliampere hours and amperage. Here’s what they mean:

Milliampere hours

Usually written as mAh, milliampere hours are how battery charge is measured. All portable chargers list how many milliampere hours the battery holds, and the batteries on your devices also tell you how many milliampere hours they can hold on a full charge. As a frame of reference, consider that the average smartphone has 3500 milliampere hours, and the average laptop battery has about 5000 milliampere hours.


A charger’s amperage indicates how quickly it can transfer power from its battery to your device. Amperage is measured in watts (W). Anker portable chargers come in different varieties, ranging from 2.5 watts to 10 watts. Most Anker chargers can also adapt to the device being charged, so it can always transfer charge as quickly as your device can receive it.

"Remember to use your portable charger regularly or the battery may permanently degrade. Some users find that their Anker portable chargers don’t hold as much power if they go months without being used. Use yours periodically to keep the battery operating at its best."

Anker portable charger prices

Inexpensive: Between $20 and $40, Anker offers some of its most convenient chargers, models that have enough power inside for a single smartphone charge and are still small enough to fit in a jacket pocket. If you need a portable charger for light to moderate use, or if you’re buying one to support just one device, you don’t need to spend more than this.

Mid-range: Between $40 and $60, you’ll find some of Anker’s biggest batteries and best values. In this price range, you can find portable chargers powerful enough to charge all of your devices a few times over. If you’re buying a battery for a ton of gadgets or just for disaster preparedness purposes, you’ll need to spend at least this much.

Expensive: Portable chargers that cost between $60 and $130 exist, but they’re not typically a great value. Models in this price range have batteries big enough to support laptops and include connectivity options like USB-C. If you absolutely need a portable charger with USB-C that can charge all of your devices at once, look in this price range.


  • Check your devices to see how much power they’ll need. Picking the right capacity battery starts with knowing how much power you’ll need. Before you shop for a portable charger, look up each of your devices online, and note how big the battery is in milliampere hours (mAh). Add up the totals to see what capacity battery you’ll need to recharge them all at least once, and let that number guide your purchase decision.
  • Keep an eye on how much each portable charger weighs. Anker portable chargers can weigh anywhere from a few ounces to a few pounds, so it pays to keep track. The weight will almost always correspond to the charger’s battery capacity — that is, the more capacious the battery, the heavier it is. If you plan on taking your charger with you every day, make sure you know what you’re signing up for in terms of weight, and don’t buy one that’s too heavy to carry around with you.
  • Invest in short cables for use with your Anker portable charger. The cables that come with smartphones are usually pretty long, which is handy for many situations, but portable chargers don’t usually need the extra slack. Look for extra-short cables (usually three or six inches) for your devices so you can keep them all nearby while they’re charging without having to deal with a mess of tangled wires.
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Some Anker portable chargers include extra features that can make a big difference, such as a built-in flashlight, which makes it easy to charge your devices in the dark. Others have LED displays that show the remaining charge. Keep an eye out for such features — they don’t add much to the cost, and they can be incredibly convenient.


Q. What is Power IQ, and why does it matter?
A. A new trend is shaping up in the charge industry: technologies that can help batteries send power to devices much faster. Different companies use their own proprietary versions. For example, some devices and chargers support Quick Charge 3.0, while others use Power IQ. Anker makes portable chargers that support both Quick Charge and Power IQ, so your best bet is to check the devices you’ll be charging to see which version they support before you buy the corresponding Anker portable charger.

Q. Can I recharge my laptop battery with an Anker portable charger?
A. It depends. Most laptop batteries require you to plug them into a three-prong outlet in order to recharge — and as of this writing, none of Anker’s portable chargers include three-prong ports (although some competitors’ models do). That said, many newer laptops use USB-C cables to recharge their batteries, and Anker definitely has portable chargers that support USB-C. If you’re looking to buy a portable battery for your laptop, check to see what kind of plug it uses first to determine your options.

Q. How long does it take to recharge an Anker portable charger?
A. It varies by model, but in general, count on it taking between six and eight hours for most models. Some smaller models can charge in a few hours, but they typically don’t hold more than a single phone charge’s worth.

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