Storing Car Battery On Concrete Floor

So here s the story.

Storing car battery on concrete floor.

In the past yes batteries stored on concrete floor would loose charge because of the free electrons grounding themselves outside of the battery. Storing a car battery on a concrete floor will drain the battery and ruin it. It used to. Some of us refuse to store a car or boat battery on concrete because our mechanic or trusted friend said it will drain the battery.

Modern batteries are fully insulated and do not experience this problem anymore. Apparently he is under the impression that putting a car battery on a concrete floor would drain it. 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 because the cold concrete can help slow down the self discharge leakage rate. Have you heard the one about batteries discharging when stored on concrete.

A bit of research reveals this to be a zombie truth. There may be leakage across the terminals of a top post battery but that would be slight. The design of modern day batteries includes a hard plastic shell that eliminates the intake of moisture thus making the garage floor a great place to put your car battery. Outdoor storage if you must store outside on an earth surface the best you can do is park the car on a layer of plywood.

Apparently some people have taken to storing 12v batteries the kind used in electric wheel chairs and emergency lighting systems on wooden shelves to maximize their life expectancy. Remove the battery and keep it clear of damp concrete. If it s acid spattered put it on somebody else s concrete floor or stick a board under it. 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.

Is there a spark of truth to this or is this claim dead in the water. I have a brand new car stored here in az since feb 07 i went yesterday to start car and let run for 20 mins i looked under car and could see a little rust on the rearend supports and mufflers. If a battery is clean you can safely put it on your concrete floor. Friends does anyone have any tips on what to put down on a concrete floor to prevent any moisture.

Batterystuff knowledge base article answering the popular question about battery storage. Even an acid spattered battery will not leak its charge into the earth. Early batteries continue reading storing batteries on concrete myth.