A high-capacity USB-C power bank that’s ridiculously fast and futureproof, we review the Anker PowerCore+ 20100 USB-C power bank. 

Anker’s PowerCore+ 20100 USB-C is the first commerically available USB-C power bank we’ve tested , and it gave us a great first impression of the technology.

At a first glance the PowerCore+ would appear to be a dual-output power bank that charges itself over USB-C. Look again. It’s not just the connector itself that’s reversible, since that USB-C port also works both as an input and an output, and can operate at up to a stupidly fast 15W.
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