RE: [Nolug] AC and UPSes

Well I have no way to tell if the UPS is at 20% anyway. Well, I suppose I
could find/install some UPS software.

It has drained completely a couple of times lately during storms/random
power outages. This is a surge problem, unless the battery is completely
dead, which I will check tonight.

All I've got plugged into the ups side is a laptop, 7 port router, and a
DSL modem. I've got a desktop/monitor plugged into the surge only end.

-- 
Alex McKenzie    alex@boxchain.com     http://boxchain.com
<quote who="John Souvestre">
> Hi Chris.
>
> I don't believe that this is a problem with the types of batteries used in
> UPS's.  It mainly applies to Ni-CAD and somewhat to Ni-MH type batteries.
>
> John
>
>     John Souvestre - Southern Star - (504) 888-3348 - www.sstar.com
>
>
> -----Original Message-----
> From: owner-nolug@joeykelly.net [mailto:owner-nolug@joeykelly.net] On
> Behalf
> Of Chris Reames
> Sent: Tuesday, June 22, 2004 10:39 AM
> To: nolug@joeykelly.net
> Subject: RE: [Nolug] AC and UPSes
>
> Periodically, you need to unplug a UPS and let it die.
> This helps prevent the battery from developing a 'memory'.
> It doesn't help much if you have critical systems plugged into it, but its
> better to have a planned outage than a "Oh, guess what, the UPS battery is
> dead." situation.
>
> My suggestion is to charge and drain the UPS several times then check to
> see
> if it holds a charge.
> What I do is unplug the UPS and time how long it takes to get to 20% with
> the equipment I have running through it.
> If I notice a decrease in time do the charge and drain procedure.  (note:
> don't do this if a hurricane is comming)
>
> Anyway, thats my 2 cents.
> Chris R.
>
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