Core unit output   750VA/500W Displays 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 mode. Power Battery type Maintenance-free, sealed, valve-regulated lead acid (VRLA) Hot-swap batteries Yes Electrical input connection IEC- 60320 C13 Electrical input REPO IEC- 60320 C13 Electrical output connections (4) IEC 320 C14 Load segments 1 Operating voltage 220V, 230V, 240V       Physical information Weight 28.1 lbs Dimensions (W x D x H) 5.9 x 13.1 x 7.6 inch