I replace the battery in mine about every 2 years for the same reason.<BR><BR>If you hook it up to a linux machine you can query the UPS and see if the EPROM reports the age.

The battery on my UPS died (APC BE550R), so right now it only functions as a 4 plug surge protector, since the battery plug are useless. I was looking at replacement batteries, but I might end up ...

The PiPower 3 kit is available for pre-order for $36 and it includes a battery that will allow a Raspberry Pi to keep running in the event of an outage, a custom board with a 32-bit RISC-V ...

A set of three critical zero-day vulnerabilities now tracked as TLStorm could let hackers take control of uninterruptible power supply (UPS) devices from APC, a subsidiary of Schneider Electric.