Penny Battery Power
A bad penny, penny candy, take a penny leave a penny all old penny adages that don’t hold much value today. Only one penny saying still is worth the cost of the governments production of the penny.. a lucky penny! In a SHTF situation those worthless little coins could have lots of value even though not in monetary exchange. In a grid down situation running out of battery power is eventually bound to happen. See the video below for information on how to make battery power from pennies.
http://www.youtube.com/watch?v=rIdPfDHeROI&feature=player_embedded