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how to make a battery? Answered

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?