Save $502 on this enterprise-grade rack-mount UPS with pure sine wave output, ideal for server rooms and critical IT infrastructure.

Within my mid-2023 teardown of a malcontent APC Back-UPS ES BE550G 550VA UPS, I wrote: What I like about these units (and conceptually similar ones from both APC and competitors) is that the batteries ...

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 had an APC Back-UPS CS for a few years now and have often experienced the clicking mentioned, even back when it was new. The power here is not the best, outages are common. <BR><BR>I noticed the ...