Binary package “apcupsd” in ubuntu xenial
APC UPS Power Management (daemon)
apcupsd provides UPS power management for APC products, including most BackUPS
series models (including USB), SmartUPS V/S, SmartUPS (NET/RM), and Matrix
series.
.
It controls and monitors the status of UPS and allows your computer to run for
a specified length of time on UPS power, and then executes a controlled
shutdown in the case of an extended power failure.