Portable power bank name

What is a power bank?

Power banks provide a reliable power reserve: compact, rechargeable units that keep phones, laptops, and tablets running when outlets are out of reach. Power banks range from tiny keychain models to 25-pound monsters. For this guide, we focused on the most useful category: personal-use portable banks.

Which power bank should I buy?

The Nimble Champ is our top recommendation for most folks, but we have all sorts of alternatives here. Read our Best MagSafe Power Banks guide for magnetic wireless chargers, and our Best Portable Power Stations guide for more power. Updated November 2025: We've added a power bank from EcoFlow, and an honorable mention for a new Anker power bank.

What are the different types of power banks?

Some models, like the Anker PowerCore and the Skullcandy Fat Stash 2, offer multiple options: two USB-A outputs, one USB-C, plus a combo cable. A few banks even include full AC outlets — handy for laptops, air mattresses, or even blenders. Though these are less common on power banks (and really common on Power Stations)

What is a good power bank?

As we’ve said throughout this guide, power banks that are less than 10,000 mAh are usually purpose-built for smaller devices. These are great for things like earbuds and fitness trackers. They can also give a smartphone a single full charge, making them great in emergencies.