How to make a Battery from Trash

This Video tutorial is brought to you by www.bridging-humanity.org a project to help provide LED flashlights and batteries to the poor. In this video we were able to create a series of charcoal batteries wrapped in felt that had been soaked in lye and got a reading of 2.5 volts.     If you want to test this project on your own you will need the following: aluminum foil charcoal or pencil lead

Continue reading…