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BirkSun Elevate Solar Backpack Provide Smartphones with a 30% Charge for an Hour of Sun

BirkSun Elevate Solar Backpack Provide Smartphones with a 30% Charge for an Hour of Sun
October 17, 2014 2 Comments »

We’ve all had those moments of desperately needing our phones when they’re about to die and searching for an outlet, asking to borrow a charge cable, or hoping that the charge will last just long enough to send that one ... Read More »