The Anker PowerCore Essential 20000 is a basic power bank with a reasonable capacity for multiple charges, but the 15W power output means that larger devices such as laptops are out of the question.

Small and discreet, the Anker Nano Power Bank is the ideal choice for delivering pocket-sized power on the go. Dual USB-C ports powered by PowerIQ 3.0 technology provide 22.5W of charging power ...

We've tested more than 100 power banks over the years from brands including Anker, Samsung, Belkin and INIU, assessing how easy they are to use, their features and charging times. We've split our ...

This is the product's overall performance score, based on key tests conducted by our industry experts in the CHOICE labs.