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Subject Author Date
no-maintenance batteries Caesar Romano 10-02-2009
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Posted by George on October 2, 2009, 8:40 am


Caesar Romano wrote:
> I just bought a new battery for my JD lawn mower. It is one of those
> no-maintenance batteries that don't have any fill holes to add water.
>
> That got me to thinking:
>
> How do these batteries differ from the old type lead-acid batteries
> that required occasional addition of water? What's different about
> these batteries?

Don't know what type of battery you actually have. The "maintenance
free" car batteries have calcium added to the lead which greatly
diminishes gassing which is the major reason you needed to add water. If
it is a gelled electrolyte then there is no evaporation.

Posted by Stormin Mormon on October 2, 2009, 8:48 am


It's been a lot of years since I read this. But there is a
different design of battery that uses lead and calcium for
the plates. It's much more resistant to over charging, and
electrolyzing the water to hydrogen and oxygen. Sometimes
mistakenly called boiling off the water. They are vented,
and can lose the water. Only problem is, no way to replace
the water.

--
Christopher A. Young
Learn more about Jesus
www.lds.org
.


I just bought a new battery for my JD lawn mower. It is one
of those
no-maintenance batteries that don't have any fill holes to
add water.

That got me to thinking:

How do these batteries differ from the old type lead-acid
batteries
that required occasional addition of water? What's different
about
these batteries?
--
I filter all messages from google groups.



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