I don’t know why…maybe I’m just a “lucky” guy…but it always seems that devices capable of audibly alerting me when something’s wrong with them always seem to “sound off” in the middle of the night, ...

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 ...