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Re: [Shop-talk] dead battery

Subject: Re: [Shop-talk] dead battery
From: Wayne <>
Date: Tue, 14 May 2013 19:31:13 -0400
References: <2B5D5C3C7B7348308FCA2536BE93F932@Mike>
User-agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130307 Thunderbird/17.0.4
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.


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