Ideal protection for all rackmount equipment. Advanced automatic voltage regulation corrects brownouts and overvoltages without using battery. USB & DB9 communication ports and included software for complete power management. Built-in LCD screen displays operating conditions. System VA: 3 000 VA; Backup Time at Half Load: 11 minutes @ 1125 Watts; Automatic Voltage Regulation (AVR): Yes; Battery Recharge Time: 5 h.