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Homebrew Batteries

I am a simple enthusiast attempting to convey my love and enjoyment of radio, electronics, and computing and perhaps to inspire YOU to build something too.

I filled the orange juice bottle with water, so that 1) it was less compressible than it would have been if it was air-filled and 2) so that it was heavy enough to rest firmly on the bottom of the can when the bleach was poured in, rather than trying to float. The separation between the copper wire and tin walls is about 7mm, but no material is required between the two to keep them apart, as long as the cell is placed carefully on a horizontal surface. I covered the bottom of a new baked bean can with a few mm of balsamic vinegar, put in the orange juice bottle with wire wound around, and filled up with water.

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