Rodents are usually stereotyped as furtive, gnawing, crop and foodstuff spoiling, small mammals with few redeeming qualities, and I would wager, if asked to describe a mouse, many people’s model would ...

So it is constantly chirping? What lights are lit on the front of the unit? Maybe you need to check your settings in PowerChute to see what conditions cause a alarm. All the APC UPSs I've used ...