Elecjet’s graphene power bank is as exciting as a power bank can be
 

In the space of a few years, we’ve gone from 5W USB adapters being the norm, to iPads and Nintendo Switches being able to charge at 18W, all the way up to modern laptops drawing up to 140W. This explosion in charging rates over a (somewhat) standardized USB-C connector has been great for consumers who can now mostly charge their stuff with one or two well-positioned adapters. But, it’s made choosing the right power bank to keep all of your devices topped up on the go way more difficult.

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