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Thread: Batteries on a concrete floor

  1. 23rd February 2011, 08:11 PM #1
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    Batteries on a concrete floor

    Fact or fiction?

    Batteries stores on a concrete floor will flatten and become unusable.

    I had a few mates around the other day and it was noted that I was doing the wrong thing by keeping a lead acid battery on a concrete floor in the shed. I was told that they would age prematurely and become useless. Both agreed.


    I had never heard of this and couldn't see the logic, but put it onto a block of wood regardless.


    So I googled this and it appears to be a load of rubbish.

    Any comments?

    Erich
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  2. 23rd February 2011, 08:16 PM #2
    Ean Austral Guest
    Never heard of that before either Erich...

    Better the batteries on the floor than me


    What was the logic behind them going flat ? and how does sitting on wood stop it..

    Cheers Ean
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  3. 23rd February 2011, 08:18 PM #3
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    I have heard of it.

    Something to do with the concrete being colder than the air surrounding the battery, so convection currents are set up in the acid.
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  4. 23rd February 2011, 08:27 PM #4
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    Quote Originally Posted by BigJon View Post
    I have heard of it.

    Something to do with the concrete being colder than the air surrounding the battery, so convection currents are set up in the acid.
    Not up here.
    Cheers, Dale
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  5. 23rd February 2011, 08:27 PM #5
    Tombie Guest
    It's rubbish... Now...

    But decades ago....
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  6. 23rd February 2011, 08:31 PM #6
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    Yep soon as I read the title ...NO


    not sure why but coming from a mechanical background it was always so.

    must ask POP why..my stepdad

    Mrs hh
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  7. 23rd February 2011, 08:35 PM #7
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    Quote Originally Posted by Tombie View Post
    It's rubbish... Now...

    But decades ago....
    you may have something in this....my pop retired a few years ago now and things certainly have changed since then...

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  8. 23rd February 2011, 08:37 PM #8
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    The advice dates back nearly one hundred years ago. Batteries use to be made of timber coated with tar, these did not like being left on any surface and were placed on timber spaces.

    If they were placed on concrete they could discharge but I think it had more to do with the tar coating being damaged rather than the concrete having any chemical effect.

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  9. 23rd February 2011, 08:37 PM #9
    B92 8NW
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    Quote Originally Posted by The ho har's View Post
    you may have something in this....my pop retired a few years ago now and things certainly have changed since then...

    Mrs hh
    I think it was more to do with the floor being ruined, not the battery, this got lost in translation and it got to where it is today.

    Other theories say the lime in concrete discharges the battery.
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  10. 23rd February 2011, 08:41 PM #10
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    I've got 3 batteries sitting on a concrete floor, and 2 of them are cactus now!







    But they were like that when I put them there!

    The other one, which was retired from the Disco last year, and is now on 'portable aux' duties, seems fine. I'd charged up, then left for 3 months, then hooked the charger on it again this morning, but it wasn't needing much.
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