how to create electric battery?
There's an Instructable for making one HERE using coins.
Electrochemical cells rely upon a chemical REDOX reaction to generate electrical energy. In simple terms you need to "burn" a metal to release it's chemical energy. Zinc is used in olde-fashioned zinc-carbon batteries, where:Zn -> Zn2+ + 2e-What metals do you have / can you get hold of?L