2 UPS/Alarm batteries available - test-drb@ccmp.vtda.org

21 May 2005

On May 20 2005, 18:58, Geoffrey Thomas wrote:
...
  http://www.homepower.com/files/desulfator.pdf 
I've built a couple of these, and they do work -- but bear in mind that
while they work for sulphated batteries, they won't work for batteries
with warped or disintegrating plates, which are other common problems
with batteries that have been abused.

...
  Above shows battery revitaliser cct.
 Elektor had a more complex cct. in the September 2001 issue.
 Don't know how successful it would be with sealed gel batteries.
 CPC / Farnell have similar prices to ARD  with CPC offering free carriage
...
  with orders over ?30 (ex. vat )
 I think Farnell have free carriage over ?10.
 Again no connection with either company, just use them a lot. 
...
  > > I have *two* 1kW Smart-UPS units with dead
batteries.  (And two more
...
  which
 > > I am using but the batteries are 'weak'.)
 > >
 > > 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?) 
-- 
Pete						Peter Turnbull
						Network Manager
						University of York