Do you need a portable battery or power bank?

Watching your phone or tablet steadily run out of power when you're nowhere near an outlet is stressful. But there's an easy solution: a portable battery or power bank. They are available in many sizes and capacities and can include handy features like fast charging and multiple ports.

How do I find the best power bank for my Device?

In order to find the best power bank for your device s, consider the type of charging you will be doing. There are many different charging interfaces, including wireless portable phone chargers and USB-C power pack chargers.

Can a power bank charge a phone?

While most power banks provide ports, some also offer built-in charging cables for commonly used devices so you won’t have to carry separate charging cables. You can also find portable phone chargers that attach directly to your smartphone to automatically extend your phone’s battery life.

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 Apple-specific portable chargers, and our Best Portable Power Stations guide if you need more power. Updated June 2025: We've added power banks from Redmagic and Statik, and added a new FAQ.

How long does it take to charge a power bank?

A power button on the side lights up the four LEDs and shows how much of the 10,000-mAh capacity remains. Both ports can deliver up to 18 watts, and you can charge two devices at once. It takes around four hours to fully charge from dead. There is a two-year warranty with this power bank, offering free repairs.