Quote:
Originally Posted by Down F0rce
I recently bought one of these, and think I will find it useful! You charge it via USB and then attach it to your phone's USB port when the battery is low. With my smart phone I was able to get about one and a half charges from this device. Great if you need a full battery in a pinch!
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Looks decent. I had a solar-powered thing last year to do similar and it was complete gash. I'd have more confidence with in the Duracell one.