Social Solar Charger Pays You to Use It

Powering your gadgets with solar power is seeming to be a better and better idea. The gear is getting cheaper and better looking, and now — with Changers — you even get rewarded for doing it.
Changers has two parts. The hardware part consists of a solar panel and battery. It takes about four hours to [...]

Source: http://www.wired.com/gadgetlab/2011/10/social-solar-charger-pays-you-to-use-it/

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