Here's another sweet little project from Instructables by sfrayne, a solar powered charger for AA batteries using a playing card. I'm guessing you have at least one device in your house that's draining your wallet from using batteries, so this is a perfect project that allows you to recharge and reuse those suckers and save some money. In addition to being one less thing you have to plug into your wall and jack up your electric bill, it's probably cheaper to make 5 of these solar powered chargers than the crappiest outlet charger.
>>Turn a playing card into a solar charger for AA batteries
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