That idea dates to the time when batteries were cased with hard rubber.
If they were left on a damp concrete floor they would lose some of their
charge, and they didn't have all that much to begin with. The new
plastic cases do not have that problem, especially for the short term.
The only possible effect is when the concrete is cold it would lower the
temperature of the battery which would cause it to discharge faster than
on a piece of wood for insulation.
Bill Engle, Sr.
The Fortinis wrote:
>
> This past weekend, I noticed a certain Reynard driver using a piece of wood
> under his jump battery. After asking him why, he said someone once told him
> that putting the battery case in contact with asphalt can cause the battery
> to discharge.
>
> Can anyone confirm and/or elaborate? I put ours right on terra firma, and
> was wondering if I really need to start carting around yet *another* piece
> of wood.
>
> Thanks--
>
> Ross/Paula Fortini
> 1988 Van Diemen
>
> _______________________________________________________
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