Cement and concrete floors provide a fairly good barrier between the car battery and extreme temperature changes that could otherwise cause damage to the battery cells.
Do concrete floors drain batteries.
And because of the porosity of that material battery acid would sometimes seep through.
Not only that but that the battery would not take a charge after this occurred.
If these batteries do discharge faster than expected i suspect it has nothing to do with the material upon which they sit but with the ambient.
Batterystuff knowledge base article answering the popular question about battery storage.
There is not currently a strong reason for avoiding contact of a battery with a concrete floor.
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 enough many experts such as car talk s click and clack think that storing car batteries on concrete floors might actually be a great idea.
But the real concern was the batteries.
And the potential problem of damage to the concrete floor from battery acid leakage has also been mostly mitigated as previously noted by interstate batteries.
The gfca garage floor cleaners of america may indeed have had a hand in keeping batteries off concrete floors.
These meters all use a 12v battery to either deliver main power or serve as a backup and these batteries sit on a sheet of steel set atop concrete or sometimes directly on the concrete itself.
The battery s contact with the concrete should not create a problem with the material in today s batteries.
Modern batteries are fully insulated and do not experience this problem anymore.
Thirty years ago or so most battery casings were made of hard rubber.
Today all of these automobile battery destroying or current conducting flaws have been eliminated by using plastic shells around the various types of battery designs.
Apparently he is under the impression that putting a car battery on a concrete floor would drain it.