Inexpensive 12 volt back-up battery generator that is not hard to make. It will power what counts if the power goes out! Note: You must have a working knowledge of electricity and electrical circuits to do this project otherwise you could really hurt yourself.I've powered space heaters, refrigerator...
By: Solaron
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from Instructables: exploring - technology - robots http://ift.tt/1iQUnlR
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