maxim wexler wrote: > Only 2.8mins left? The UPS unit, fairly common I suspect, is a Back-UPS ES 350 and less than a year old. It only saw service once last year during an electric storm when the house power failed for a few minutes. Why isn't it charging. Or is it? It says BATTDATE 2000-00-00. Huh? > > I'd like to test it further but the apcupsd manual recommends at least 5mins time left. If I just unplug it from the back of the PC, will it charge? Is the battery caput? > > Maxim I had a similar problem at work (but with the windows client). APC told me to charge the UPS overnight with 0 load and then see what that run time is after performing a self test.