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how to make a rechargable battery at home? Answered

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wind01 (author)2012-10-28

http://www.permaculturalibre.com.ar/2012/08/bateria-casera-y-ecologica.html

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CrLz (author)2009-12-16

You can substitute capacitors for chemical batteries, but the charge will decay if the feed is stopped.  However, I have a dynamo powered flashlight that uses capacitors and works well.

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orksecurity (author)2009-11-19

Well, a lead-acid battery is simple and can hold a lot of charge, though usually not small and involving hazardous materials. (I don't know whether there's a recipe somewhere for gel cells -- do a websearch.)

There's probably something equivalent which would be safer, though probably much builkier for the same power.

I think you'll find that you can buy better and cheaper than you can build. But if you just want to do it as an experiment, go for it.

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Sandisk1duo (author)2009-11-19

you can make lemon battery and try to recharge it, but that won't be very efficient

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