30 Sep '13, 11pm

New post: DIY soda can battery

New post: DIY soda can battery

With the soda poured back in, you can eek out some voltage by clipping one lead to the can and another to a copper coin that’s dunked into the soda. Stringing along additional cans in series can scale up the juice, but you’ll need a whole six-pack before you can get an LED working—and only just. The instructions suggest swapping out the soda for a different electrolyte: drain cleaner, which can pump out an impressive 12 volts from a six-pack series. Deep cycle batteries use strong acid and lead, so moving from relatively low-acid soda to a stronger acid clean makes sense. You’ll want to be careful, however, as it’s likely to eat through the can and is one lid away from being dangerous

Full article: http://hackaday.com/2013/09/30/diy-soda-can-battery/

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