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Re: [T3] 6v battery shorted out?

On 2 Mar 2004 at 13:14, Everett Barnes wrote:

> Yesterday I went out to my 6 volt '66 Type 34 and dang, dead battery.  
> Really dead, the dash lights didn't even come on. 
> I thought something ran it down so I hooked up my battery charger.  The 
> charger just clicks on/off and the little dial flicks back and forth near 
> the 0% charged mark.  Weird.  I guess the battery shorted out internally?  I 
> never had that happen before.  Voltmeter reads only milivolts. 

This sounds odd, because when a cell shorts out, the voltage will drop by 2V. 
The only way to get ~0V from shorted cells in a 6V battery would be to have all 
3 cells be shorted out. Since this battery was recently working (I assume) this 
is extremely unlikely.

It's more likely that there was some load on the battery that just completely 
discharged it. Try recharging it on a trickle charge for a couple of days, and 
then measure the voltage again. If it seems to come up to 6-7V, just let it sit 
overnight. The voltage you measure the next morning will tell you how healthy 
the battery is.

Jim Adney, jadney@vwtype3.org
Madison, Wisconsin, USA

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