APC SUA1500 1500VA Smart UPS for Servers and Voice and Data Networks (Discontinued by Manufacturer) 1500VA 980W 120V 8 outlets APC Smart-UPS, 1440VA/980W,Input 120V/Output 120V, Interface Port DB-9 RS-232, SmartSlot, USB Includes CD with software, Smart UPS signaling RS-232 cable, User Manual, USB cable Automatic Self Test; Automatic voltage regulation (AVR) Audible alarms; Building wiring fault indicator; Built-in SmartSlot; Overload indicator Hot-swap batteries; Intelligent battery management; Replace battery indicator; User Replaceable batteries