I was sent an Elecjet charging power bank to try out. It's a 10,000mAh Graphene battery with a digital meter that indicates the remaining charge as a percentage. When I plugged it in for the first time to charge it (using the supplied 100W Charger) it had about a 50% charge. — Read the rest
from Boing Boing https://ift.tt/3oFRHvZ
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