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Charge Your Phone using COIN – Amazing Science Experiment

Three amazing coin battery experiment, Run emergency led light, charge your phone using coin.

If you use copper coin every cell will produce .7 to .8 volt 2 – 4 ma.
for 5 volt we need at lest 8 cell
So if you want to charge you mobile phone at 500 mp
you need 500*8 = 4000 coin.
I don’t have this much coin but if you make this much cell definitely it gonna charge you phone.

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