[Shop-talk] Fw: dead battery

Mike phoenix722 at comcast.net
Tue May 14 17:45:03 MDT 2013


No.  The case looks ok.  In fact, it was fairly new when it was last used.
==============================
> ----- Original Message ----- 
> From: "Wayne" <wmc_st at xxiii.com>
> To: <shop-talk at autox.team.net>
> Sent: Tuesday, May 14, 2013 4:31 PM
> Subject: Re: [Shop-talk] dead battery
>
>
>> On 5/14/2013 7:07 PM, Mike wrote:
>>> I have a 12v car battery that is dead as a doornail because the car 
>>> hasn't
>>> been run in a long time.  It is also dry, or at least  very low.  So I 
>>> filled
>>> the cells with distilled water, and hooked up the leads (the ground lead 
>>> to a
>>> bolt on the engine), checked the charger to be sure it was set to 12v, 
>>> and
>>> plugged it in.  Ammeter goes to max, and the charger trips out. 
>>> Suggestions?
>>
>> Has it been in sub-freezing temps? As they discharge, their freeze temp 
>> rises, and a dead one will freeze, expand, and short the plates together. 
>> A lot of times the plastic housing may be bulged out from the expansion, 
>> making it obvious.
>>
>> -Wayne
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