Charge Your Battery With A Twirl


Twirling battery

We’ve seen plenty spinning, twirling, and wind-up gadgets from Sony and others, but nothing quite like this battery concept designed by Song Teaho and Hyejin Lee. While there’s still a bit of work to be done with the actual “working” part, the concept is to simply let you twirl your cellphone battery around your finger a few times for a quick bit of juice to send a text or make a call — the designers estimate 130 twirls will give you two minutes of talking time.


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