[Vwdiesel] Battery Source

[James Hansen]

  I think if you repeat that with any battery you'll have the same 
results.  It's the electronics in the silverado.  Dad's '04 'max does 
that too.  Something to do with the ECU not going into storage mode or 
something, not holding your mouth just so when you turn the key off.  I 
never really paid much attention, but it happens to him too with the 
stock delco batteries as well- one month is good enough for it to 
flatline.  We take the cable off now when they go off on a trip with the 
05 Passat.

Optimas DO NOT like being drained.  If you plan on that, get the yellow 
top deep cycle ones.  A buddy routinely kills his in his fishing boat 
and it survives just fine, but the red top ones do not recover well.
-james

mikitka wrote:
> Optima seems to be over rated. I too thought they were the heat until I got
> one and installed it in my 02 Silverado. Since I don't run it much due to
> the price of gas and I drive the Jetta all the time I let the truck sit for
> about three months and when I went to go get some lumber the battery was
> dead. This was in the middle of the summer as well and the truck sits inside
> the garage. Now I have an AutoZone battery in my 65 Impala and that sits
> inside the garage too and it sits for even longer periods and it cranks
> right up. I know the 02 has way more electronics on it than my 65 Impala but
> still all in all from what I have read and listen to others online rave
> about the Optima it shouldn't have died like that in my opinion.
> To me you can't beat the Auto Zone batteries.
> Nick
> 
>  
> If you are looking for the ultimate in batteries, I'd recommend an Optima
> Redtop or at least some other brand of gel cell battery. Even though the
> Optima's only come in two sizes, the bigger one will fit the OEM battery
> slot. You won't be able to use the stock hold down clamp because the Optima
> has a rounded surface in that area. Roger Brown modified his hold down clamp
> to accommodate the curved surface. I believe he has pictures on his website.
> 
>  
> 
> 
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