How to choose a portable power bank

How to choose a power bank?

Look for a power bank with at least 2 USB charging ports on it. That way, you can charge your phone and another device at the same time. Usually, the charging ports on a power bank will have different charging outputs, so that you can charge larger devices at the same rate as smaller ones.

How much power should a power bank have?

Power banks are always a trade-off between weight and capacity. For a quick top-up during a day out you want something small and portable, but don’t go much lower than 5,000 mAh, which will put about an 80% charge into most smartphones (about 800mAh of the battery’s energy is actually used to transfer power to a device).

Why do you need a power bank?

A power bank (also called portable charger or external battery) is a must-have accessory for keeping your smartphones, tablets, and even laptops charged on the go. Whether you’re commuting, traveling internationally, camping, or preparing for emergencies, the right power bank ensures you never run out of battery.

Which power bank is best?

PC World, for example, lists the Mophie Powerstation Plus XL ($99.95) as the best overall power bank of 2018 and the Xiaomi 10,000mAh Mi Power Bank Pro ($29.99) as the most portable. X Research source Find reviews for specific models once you find a brand you like.