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Found out a 1970s car battery leaks acid if stored on concrete, total myth?
Read a restoration forum from a guy in Ohio who tested 20 old batteries on bare concrete for 6 months and none leaked, but I remember my dad swearing the opposite in 1995, so which is it for everyone else's garage floor?
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wren80612d ago
...and honestly the concrete thing is more of a 60s/70s battery case issue. Those old hard rubber cases got porous and would sweat acid if they sat long enough, especially with vibration cracks. Modern polypropylene cases with the sealed tops? Not the same problem. I've thrown dead batteries on my garage floor for years waiting for core pickup and never had one eat the concrete. That said, if you're storing a battery that's still got juice in it, just put a piece of plywood under it. Cheap insurance, and it saves you from scrubbing white powder marks off the floor if the vent caps weep. Your dad wasn't crazy, he just had older batteries than us.
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