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DIY Solar iPhone Charger Made with Altoids Tin Is Less Than $20

I love my smartphone. Love it! But traipsing around San Francisco, tweeting, facebooking, and foursquare-ing surely takes a toll on its battery life. With each percentage drop in battery life, it feels like somewhere a kitten has died. READ MORE: Boost Your WiFi Signal Using Only a Beer Can That's why I simply love this [...]

August 18, 2011
3:55 PM EDT

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