Review: Proporta TurboCharger 5000 External Emergency Charger Battery Pack
Keeping your gadgets juiced is a perpetual problem, and as gadgets become more and more power hungry, one that seems ever more intractable. It’s not a big deal to plug in a gadget, of course, but when your smartphone only lasts five hours at a time, the added inconvenience becomes maddening. Various companies have played
Read the original: Nokia patents “piezeoelectric kinetic energy harvester” for cell phones
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