I have a (refurbished) APC Back-UPS LS 500 I've been using for a year and a half or so, and recently when the power's been crappy (thanks to bad drivers...) I've noticed it's no longer doing the thing ...

I've got a couple of old UPS units (APC BP1100) at home, and the batteries on them are now apparently dead (powering them up results in an alarm and then the units shutting back off, IIRC).<BR><BR>I'm ...

Uninterruptible Power Supplies are used to ensure that mission-critical systems, often computers or servers, remain running during power outages and brownouts. UPS systems also protect against power ...