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Homemade massive rechargeable battery. Output is 1.2 v 1.25 amps. (I know it looks like a bomb) : r/batteries
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DIY high-performance batteries, made of scrap metal, laundry soap, and a glass jar - Electronic Products
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DIY Battery Lasts Forever Homesteading - The Homestead Survival .Com | Homestead survival, Survival prepping, Survival
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Turn Your Spare Pocket Change into DIY Batteries with This Penny Power Hack « MacGyverisms :: WonderHowTo
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