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Yes, in the old days. Batteries then weren't insulated very well. Damp concrete conducts electricity, so the battery would slowly discharge itself.
I call BS. This sounds like an echo of the garage-urban-legend, with as much truth.
I know old tech. If the case didn't leak, there's nothing you could set it on to cause any kind of degradation. If you're talking about some kind of breakdown, leakage or failure over time, it would happen on glass, concrete, metal and old soapboxes.
I call BS. This sounds like an echo of the garage-urban-legend, with as much truth.
I know old tech. If the case didn't leak, there's nothing you could set it on to cause any kind of degradation. If you're talking about some kind of breakdown, leakage or failure over time, it would happen on glass, concrete, metal and old soapboxes.
RAY: Thirty years ago or so, most battery casings were made of hard rubber. And because of the porosity of that material, battery acid would sometimes seep through
the rubber and create a conductive path through the damp concrete, draining the battery.
I've always heard concrete floors are bad for batteries, but I was wondering if it's just because, more often than not, the concrete floor is cold and cold is bad for batteries. Or is there something magical about concrete that sucks the electrons out of the batteries?
An old wives tale. I have 3 or 4 sitting on my shop floor, and they hold a charge just as they would if they were not on the concrete.
This myth has been debunked many times but some people still want to believe it.
Anecdotal evidence from Car Talk isn't really, you know, evidence. If battery contents leaks out while it's sitting around, that's one thing, but the surface it's sitting on would make no difference. If what they claim is the case, then batteries sitting on metal shelves and the like would have drained even faster.
And any garage that had a damp floor would have a lot of other automotive issues.
We had old Autolites sitting on shelves and garage floors for years, and I don't remember the slightest sign that they leaked.
It's hard to set a battery down gently, so maybe there is a greater risk of cracking or damaging the battery by impact with an unyielding surface, eg., concrete..
If I have a car, tractor, or airplane battery that I know is going to sit for a while, I put a trickle charger on it. They aren't expensive, and it is nice to know things are going to start again when you need them.
If I have a car, tractor, or airplane battery that I know is going to sit for a while, I put a trickle charger on it. They aren't expensive, and it is nice to know things are going to start again when you need them.
If you put a trickle charger on a concrete floor will...?
If I have a car, tractor, or airplane battery that I know is going to sit for a while, I put a trickle charger on it. They aren't expensive, and it is nice to know things are going to start again when you need them.
Yep. Even better - if this isn't what you meant - is a "battery minder." It only charges a little, when needed, rather than keeping a continual charge on a battery, which is not good over a long time. Mine keeps the summer car ready for May.
Quote:
Originally Posted by kokonutty
If you put a trickle charger on a concrete floor will...?
...suck all the power out of every Tesla Supercharger station for a 10-mile radius. S'true. An old electrician said it once to the host of This Old House.
I moved a new battery leaving it on the floor at costco. I was quickly told NOT to do that as it would ruin the new battery,,,,,,whatever??? as I know better and excessive heat is the number one battery killer not cold...go figure
I moved a new battery leaving it on the floor at costco. I was quickly told NOT to do that as it would ruin the new battery,,,
Ya gotta be fuggin' kiddin' me...
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