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Anyone who uses a smartphone knows the importance of carrying a backup power bank. But given the large number of options on Amazon, you might feel overwhelmed, understandably. Besides the various charging specs, ports, and even cables you have to consider, there are a ton of competing brands. It’s common to see products from Anker, Mophie, and MyCharge, but how do you know which ones deliver on their promises? Is it worth saving a few bucks if a battery pack’s performance is lacking?

Power bank cheat sheet

Our quick-hit recommendations:

As for the latter, be advised: Amazon voluntarily recalled six different models of its AmazonBasics-branded external power banks after they were found to potentially overheat.

We decided to do the legwork for you, acquiring a wide range of power banks from different manufacturers, some offering unique features. We then spent weeks testing the packs (read about our testing process in detail below).

While we’ve made some top picks, be sure to read through each review, linked to at the bottom of this page, to help you find the best battery pack for your needs. (You might also be interested in our our roundup of USB car chargers if you spend a lot of time in a vehicle.)

Updated 2/12/201 to include our review of the RAVPower 6700mAh External Battery Pack. For all of our power bank reviews, jump to the bottom of this article.

Best overall power bank

The Mophie Powerstation Plus XL is light, easy to toss into a bag, and incredibly efficient. It’s also one of the the most expensive packs in this roundup, at $99.95. But with a 93.41 percent efficiency rating, you’re getting your money’s worth with this pack. Combine that with a built-in charging cable with multiple tips, and you have a winner. We did have an issue with recharge time, but overall this pack is the one to beat. (Read our full review).

Most portable power bank

Xiaomi is known for producing high-quality products and selling them at an affordable price. The 10,000mAh Mi Power Bank Pro is a prime example of that approach, hitting all the marks to make it our top pick for the most portable power bank overall. With its high efficiency, premium design, and street price of $28, it’s hard to beat. Pick up one or two of these, throw them in your bag and suitcase, and forget having to worry about running out of battery power while on the road. (Read our full review.)

Best power bank for road warriors

If you spend a lot of time on the road and value device preparedness, the Sherpa 100AC makes a trusty, if pricey, companion. Yes, at $299.95, you’re looking at a big investment. But that buys you two USB-C ports capable of fast-charging speeds, two standard USB ports, a Qi wireless charging pad, a standard U.S. 110V outlet, a full complement of cables, and a nifty status display and buttons for controlling various functions of the pack. The pack itself can be charged in just a couple hours. (Read our full review.)

Best USB-C power bank

Between its capacity, recharge time, charging capabilities, USB-C, and the wide range of devices it can charge, the Anker Powercore+ 26800 PD is well worth its $110 price.