T&T: Battery acid concentrations

[Jake2124 at aol.com]

Just to add some more complication to a simple idea.

When I was going to automotive mechanic school back in the 60's in Minnesota, 
I remember that battery manufacturers used different concentrations of acid 
for "warm" climates and "cold" climates. The cold climate batteries got a 
little higher concentration than the warm. I was talking to a Deck Representative 
and he told me that they had slightly lowered the concentration because they 
found it reduced internal corrosion and made the batteries last longer. So, why 
do we need to know? well, if you have a battery hydrometer for checking SG, on 
the new concentration batteries, they are fully charged right where the white 
and green come together. You can charge them till the cows come home and 
never get into the green zone. So, it is important to contact the manufacturer to 
see what acid concentration they use.

Jake


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