USB Drive As AA Rechargeable Battery Concept

Yanko, its been a while I havent seen any concept from you. Well I love this one. A USB Drive that can be a battery and also capable of recharging. Although its a concept I would love to see it come to reality

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So you have a USB drive that you use quite often, so often that you keep it hooked to your computer most of the time. What added value can we give to that USB stick drive? How about doubling as a AA battery! Yes, the kind that recharges in USB mode and turns into a functional AA when the need arises; rightly calling it the AA USB.

Check it out on Yanko