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How To Make a 3 Penny Battery

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How To Make a 3 Penny Battery

F
Fun

14 Views • Dec 16, 2015

Description

How To Make a 3 Penny Battery
Is there energy hidden inside your pocket change? Convert pennies into make-shift batteries that can drive small current devices like LED's and calculators.
Many people have asked how long the green LED stayed on. Surprisingly, it was bright for 2-1/2 weeks before finally fizzling out!