Solar usb charger

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Picture of Altoids USB Battery/Solar Charger for IPhone and IPod Tin Projects, Altoids Tin, Altoid Tin, Altoids Tins, Solar Energy Panels, Best Solar Panels, Solar Roof, Battery Bank, Photovoltaic Panels

Altoids USB Battery/Solar Charger for IPhone and IPod: I know there are plenty of USB chargers out there for you to build. But here's one that doesn't use a voltage regulator or an IC chip to power it. The basic concept is to use 4 - AAA rechargeable batteries (1.2V a piece) to power the USB…

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