Quote:
Originally Posted by Mike51Merc
Is it true if I leave a battery on the concrete floor, it will suck the charge out?
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Here's what SNOPES says:
Car batteries used to be encased in hard rubber, a substance that was porous enough that battery acid could seep through it and create a conductive path through the damp concrete, draining the battery. The cases of today’s batteries, however, are made of sturdier stuff that far better contains their contents than those of yesteryear. As well, time has brought technological improvements to the seals around the posts and the vent systems.
These days, the problem of car battery electrolyte seepage and migration has been all but eliminated. Says battery manufacturer "Nowadays, containers are made from a solid plastic that does not allow any current to flow through it, so the batteries do not discharge, even if they sit in a few inches of water."
Interestingly, some experts (including Car Talk's Click and Clack) believe that storing car batteries on concrete floors might actually be a better idea than keeping them on shelves or other surfaces because the cold of the floor works to slow the self-discharge (leakage) rate.
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