Should you buy 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. These are available in many sizes and capacities, and can include lots of handy features like fast charging and multiple ports.

What is the best portable power bank?

If you need the most portable power bank available, the TravelCard Plus is slim enough to fit in a large wallet, and it packs just enough power to finish the night in style. It even has USB-C and Lightning plugs attached for convenience.

How do I choose the right battery capacity for my power bank?

“Deciding on the right capacity for your power bank depends on what you're planning to charge with it, and how long you'll be away from a wall outlet,” Dean says. If you have larger devices, such as a tablet or laptop, you’ll need a power bank with a higher battery capacity to keep it charged.

Which power bank is best for fast and reliable charging?

The following are the best models we tested for fast, reliable charging. If you want a powerful power bank with an impressive battery capacity, the Iniu Portable Charger is the way to go. We love that this budget-friendly power bank has three charging ports, which lets you plug in multiple devices simultaneously.

How much does a power bank cost?

Power banks can range in price from $10 to $100 or more, and models with higher battery capacity or special features tend to be more expensive. Our top pick, the Iniu Portable Charger, retails for around $20, but if you want extra-fast charging, you may want to splurge on a model like the Anker MagGo Power Bank, which is $75.

How many watts can a power bank charge?

And, as with other mid-range power banks, it’s only the USB-C ports that can dole out the maximum 30W, and only when charging a single device at a time. The power bank’s three charging outlets all share the same 30W output, so the more devices you charge simultaneously, the longer it’ll take.