You must think safety when you're working around, and with, batteries. Remove all jewelry. (After all, you wouldn't want to melt your watchband while you're wearing it!) The hydrogen gas that batteries make when charging is very explosive. We have seen several instances of batteries blowing up and drenching everything in sulfuric acid. That was no fun, and would have been a good time to use those safety goggles hanging on the wall. Heck, you could even break out your disco outfit. Polyester isn't affected by sulfuric acid, but anything with cotton will be eaten up. If you don't feel the need to make a fashion statement, just wear junk clothes—after all, polyester is still out of style.

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