a fix for
> rejuvenating a battery that had sulfated. The fix is to charge the
battery
> with a constant current of C/20 for 24 hours
I deal with this on the main bank for my boat. It is 125ah
All lead acid batteries need a high voltage/current charge occasionally to
burn off the sulfate, on the large deep cylce batteries it is about 14 to
15v. at 30 amps.They also like a constant trickle charge which can be
accomplished with a cheap $20.00 solar panel or 500mah 14v wall wart.
For smaller batteries adjust accordingly. If your battery gets much below
12v you have already damaged it, you can only use about 30% of the capacity
without reducing it's lifespan and capacity. If you dishcharge to 50% the
battery will last less than 1/2 the time it would have at 30% discharges.
These are rough figures, there is more accurate details on a number of
websites, but I no longer have the urls.......
Mark Mech
[EMAIL PROTECTED]
www.aerofoam.com
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