DIY Solar Battery Charger

From Instructables user: deba168.

Imagine you are a gadget lover or hobbyist /tinkerer or RC enthusiast and you are going for a camping or outing .Your smart phone/MP3 player battery run out,you have taken a RC Quad Copter,but not able to fly for a long time. So you definitely need a good charger to charge the battery. Am I right ? But where can you get a power source at that location ? Do not worry,this instructable is solutions for all of your problems.

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