[BC] Winter Survival Gear
Craig Healy
bubba at dukes-of-hazzard.com
Tue Nov 2 05:57:18 CDT 2010
> Any lead acid battery suffers permanent damage if discharged below
> about 80% charge. Automotive batteries more-so than so-called
> deep cycle as they simply don't have the reserve lead in them.
> Lead acid stands over-charge very well, PROVIDED the plates are
> not allowed to dry out at all, but they do not like discharge.
The common brands can be a problem and occasionally simply die with no
warning. In my Blazer I have two batteries, both charged through a
commercial charge isolator box connected to the alternator. That way if I
need to jump, it only takes one cable.
For batteries I use Optima brands. There are different models. Red Top is
for normal vehicle or generator use. Yellow Top is a deep cycle battery,
but can be used in a vehicle. Blue Top is marine. At one of my clients I
swapped a dead common battery for a used Optima Red Top. It's worked for
years. The Optima type doesn't self-discharge as much as the more common
types.
If they physically fit, I'd recommend them. I've never had a failure and I
do swap them every four or five years.
Craig Healy
Providence, RI
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