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Old March 7th 05, 06:47 PM
Mike Romain
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Steve wrote:
>
> Lawrence Glickman wrote:
>
> > While I was making mischief out in the garage today, I popped off the
> > top of my maintenance-free battery, and discovered that the
> > electrolyte level was DOWN TO THE TOP OF THE PLATES.
> >

>
> Yep. Old news.
>
> There ARE certain types of battery that are truly maintenance-free,
> though. AGM (Absorbtive Glass Mat, aka "Gel Cells") like the Optima are
> truly sealed and don't have any liquid water. You can still ruin one by
> over-charging, which causes the electrolyte in the mat to out-gas too
> fast and pop safety seal, opening the battery to air so that it will
> dry out and die.


Optima isn't in that class. They are a lead acid battery and do vent
hydrogen gas so can explode like any other if a spark comes at the wrong
time.

Mike
86/00 CJ7 Laredo, 33x9.5 BFG Muds, 'glass nose to tail in '00
88 Cherokee 235 BFG AT's
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