2 UPS/Alarm batteries available

[Geoffrey Thomas]

http://www.homepower.com/files/desulfator.pdf

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.

Geoff.

> > 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?)