HP AF447A UPS T750 G2 INTERNATIONAL

HP AF447A UPS T750 G2 International, LED indicators: Power On/Off button Alarm Acknowledgement Turns off the alarm buzzer; Power LED Green AC is present Battery LED Amber The unit is running off of the battery; Overload LED Red Output is overloaded; Service LED Red Faulty battery or battery failed test; Audible Alarm The unit detects an operational fault or changes in the battery m ode; Hot-swap batteries: Yes.