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Re: Charging a stale battery

To: TR List <triumphs@autox.team.net> charset=ISO-8859-1
Subject: Re: Charging a stale battery
From: Dave Massey <105671.471@compuserve.com>
Date: Thu, 8 Jul 1999 12:32:21 -0400
Malcolm Walker writes:

>> I went to fire up the 4A for the first time since the rebuild.  In
>> preparation I put the relatively new Die Hard on the charger and found
it
>> barely able to take a charge.  It's 3 years old, but has been sitting
idle
>> for 2 during the rebuild (no trickle charge).   After about 5 hours I
did
>> get it to register on the charger and it had enough power to start the
car
>> with some additional boosting.  It still does not register as being
fully
>> charged on the charger meter.  I seem to recall that batteries that sit
for
>> a while can get "sulfated" and there is a procedure to reverse the
process.
>> I think you need a BIG charger, not the 10 amp thing I have.  Can
someone
>> confirm if this is true and if a Gas Station size charger can fix this.
>
>The problem sometimes is oxidization of the lead plates inside the
>battery.
>
>If you can, open up the cells and take a look inside.  If the cells have a
>signifigant amount of electrolyte (ACID!) missing, you'll need to either
>add electrolyte or add (distilled, clean) water.
>

If the low level is due to evaporation you should only add water.  Only if
the loss is due to spillage should you add acid.

Dave (member of the Battery-A-Month club) Massey

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