At 02:50 AM 5/17/2005, Rob O'Donnell wrote:
 Is there any way of rejuvenating sealed lead-acid
batteries or is it a case of once they fail to hold a charge, they are useless?  (And if
so, does anybody know a very cheap UK supplier of them?) 
And due to my own packrat tendencies, I have a large pile of dead UPSes
of various sizes, along with an item on my very long to-do list
that says "buy replacement lead-acid batteries."  Any recommendations
for a supplier in the USA?
- John