Do Cement Floors Ruin Car Batteries

No it does not.

Do cement floors ruin car batteries.

If you put one on a concrete floor without carefully washing it the acid ate into the concrete quickly ruining the floor. Batteries used to be topped off with water which resulted in acid being spattered about. Today s batteries have plastic cases there is no risk of the battery degrading from being on a concrete floor. Cement is not conductive.

That word it had too many. At northeast battery we tell our distributors that storing batteries on a concrete floor is a good idea as it helps keep the battery cool so it discharges less. One bit of whispered wisdom dictates that a car s battery must never be stored on a concrete or cement floor. Leaving a car battery on a concrete floor will ruin it i have seen three concrete floors ruin4ed by leaving car batteries on them.

Leaking acid ate the concrete away. Contrary to very popular belief even touted by many a mechanic today s car batteries with their hard plastic shells will not discharge or otherwise be damaged when placed on a concrete floor. 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 allowing for a discharge leak. What doescause battery leaks.

However if the battery has been in use it may have a trace of acid on it. The reasons given for this prohibition vary depending on whom one hears the admonition. You re right about that. We ve always been told not to leave car batteries on garage floors too.

You do not want to sell a customer a battery that is close to dead. The battery is ok and the mark on the floor is permanent. In that case even that trace of acid will react with the highly alkaline concrete to leave a mark on the floor.