> It seems unlikely that a year-old battery would be bad. Anyone have a
> recommendation?

Maybe. Depends on how long it was sitting in what conditions, including
along with a dead one. 

You may want to test it just replacing the (apparently) oldest one,
but if that works safest bet is to replace them both. $130 is a steal for
that UPS.

Andy

> 
> -Tim
> 
> --
> Tim Wilson      | Visit Sibley online:         | Check out: