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Xpal Power (owners partners of Energizer and PowerSkin) has leveraged its battery-tech know-how into the SpareOne, a cellphone that can maintain its charge for up to 15 years on just a single AA battery. It's designed to be used for sponsorship, hotel use and (most importantly) emergencies, to thr...

3 years ago 0 Comments
January 12, 2012 at 9:20AM