Concrete also conducts heat far quicker than wood.
Should you put a car battery on a concrete floor.
Naturally if a topic or concept is not very well understood people can fall prey to all sorts of rumors and myths that spread from generation to generation and the question of a car battery draining on a concrete floor is one of them.
So if you took two identical batteries placed one on a concrete floor and one on a wooden shelf.
The other way around isn t always true with an already damaged battery leaking battery acid on a concrete floor potentially causing some damage to said concrete.
Is it bad for your battery.
In the past yes batteries stored on concrete floor would loose charge because of the free electrons grounding themselves outside of the battery.
Apparently he is under the impression that putting a car battery on a concrete floor would drain it.
Came back a few hours later to test the voltage you d find that the one on the floor will show a lower voltage than the one on the shelf at least until they re both at a similar temperature again.
Never store a car battery on a concrete floor or a dirt floor for that matter.
The difference between concrete and cement but don t take our word for it.
If you put a used battery on a garage floor and leave it there in unheated conditions there s a good chance that it may fail to start the car when replaced.
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.
Ive been testing this to see if this is fact or myth with a agm battery and a lithium.
And because concrete is often cooler than its surroundings leaving a modern battery on a concrete floor might actually make it last longer.
Like on a board sitting on 2 blocks.
And if you re curious see.
Not only that but that the battery would not take a charge after this occurred.
Always store a battery elevated off the floor on something that can get air movement around it.
Before we dwell into the details the myth has some historical basis.
New batteries and ones in good condition are almost immune to such temperature issues.
So today you can put your battery on a concrete floor for as long as you want.
Mythbusters battery vs concrete floor.
Modern batteries are fully insulated and do not experience this problem anymore.
The cooler the temperature the slower a battery s rate of discharge.