Is it actually lead-calcium or is it doped with calcium? I've never
heard of a lead-calcium car battery, but that certainly doesn't mean it
doesn't exist. I would go with what I knew works just fine.

How many years did you have the old battery? In my old car I had a
battery in it for 8 years. I replaced it because I killed the battery
one day and I knew it might not make it through the next winter.
-
Martin



Jinx wrote:
> I thought about [OT] as my question is automotive, but these batteries
> seem to be common in many applications, and I wasn't aware of them,
> perhaps others aren't too/either
> 
> Went shopping for a new car battery this morning and came back
> empty-handed. Because for the first time I was offered the choice
> between a "traditional" lead battery and a lead-calcium, which was
> 30% more expensive, and had a 2-year warranty vs a 1-year
> 
> According to
> 
> http://landiss.com/battery.htm
> 
> "Older vehicles with voltage regulators set at about 14.0 volts simply will
> not fully charge lead/calcium or hybrid batteries. Stories abound of cars
> with older regulators leaving their owners stranded on cold mornings
> shortly after a "new, improved, maintenance-free" battery was installed.
> Even two weeks of sitting in the garage, with no load other than the
> electric clock and burglar alarm, can discharge a battery if the voltage
> regulator prevented it from being properly charged"
> 
> The vehicle that needs the battery is an '89 Toyota XL s/w, which is an
> "older vehicle" I guess
> 
> Anyone adjusted their regulator, had unexpectedly poor performance,
> or had strandedment issues as above with lead-calcium ?
> 

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