Which EK portable power bank is better

What is the best portable power bank?

ZDNET saves you time and money by delivering the best products and tech deals to your inbox every week. We've tested the best portable power banks, which are MagSafe, portable, rugged, and more, to keep your devices powered up. Here are our recommendations.

What is a power bank?

A slew of terms are used to describe power banks, including portable batteries, portable chargers, external battery packs and even, somewhat confusingly, USB chargers, which is what wall chargers are often called.

How do power banks compare?

We also compare power banks based on their power-to-weight ratio, which tells us how much battery life you get for the extra weight you're forced to carry. We've got power banks for power users that give you detailed information about the devices you're charging, or simple magnetic power banks than smile while your iPhone charges.

What is a don't buy power bank?

Don't Buy power banks Our tests uncover the best and the worst. If a product performs so poorly that we think you should avoid it, we call it a Don't Buy. We've tested two power banks that we've named Don't Buys. To find out which they are, and which power banks earned our Best Buy and Great Value recommendations, log in or join Which?.

How many portable power bank Chargers have been tested?

To date, we've tested more than 100 portable power bank chargers. The most popular and relevant models are shown on this page. Our rigorous testing programme involves:

Should I buy a small power bank or a large power bank?

Small power banks can be great for an occasional top up of power on the go – they’re light enough that you’ll hardly feel the weight of them in your bag. Large models give you more juice but are less portable.