USB Drive Has Another Electrifying Side

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.

Designer: Wonchul Hwang

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