Build a simple solar power battery charger. via instrucatbles
When I got into electrical circuits and solar power, the first thing I wanted to do was build a little solar powered battery charger. Only I had a heck of a time trying to find a simple and straight forward guide to doing this.
So in this guide I’ll give you a bit of info on solar power and battery charging, as well as show you how to make a solar battery charger for all of $4.
To build a solar battery charger you need several things, as well as have several tools on hand.
A clear, water-proof container. (Dollar Store tupperware with built in O-Ring)
AA Battery Holder (Radio Shack, also fits AAAs if you’re careful)
One or Two Solar Panels rated 4 Volts or above
Tools you need
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