Now you can wind up more than your torch or radio! The Freeplay FreeCharge Weza Portable Energy Source is a totally portable device for converting human power into whatever you need, whether it be a jumpstart for your car or juice for your laptop. You just step-step-step on the treadle until you have a satisfactory amount of electricity in the battery, then plug in whatever you like. $270 USD. [GT]
Freeplay FreeCharge Weza Portable Energy Source
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From: BEST OF 2008: Eco-friendy and sustainable shoes