APC Smart-UPS XL SUA2200RMXL3U 2200VA 3U Rackmount UPS System (Discontinued by Manufacturer) Output Power Capacity: 1850 Watts / 2200 VA Max Configurable Power: 1850 Watts / 2200 VA Nominal Output Voltage: 120 V Output Voltage Distortion: Less than 5% at full load Output Frequency (sync to mains): 47 ~ 53 Hz for 50 Hz nominal, 57 ~ 63 Hz for 60 Hz nominal Crest Factor: Upto 5:1 Waveform Type: Sine wave Output Connections: 9x NEMA 5-15R; 2x NEMA 5-20R Nominal Input Voltage: 120 V Input Frequency: 50/60 Hz  3 Hz (auto sensing) Input Connections: NEMA 5-20P Cord Length: 8 feet (2.44 meters) Input voltage adjustable range for mains operation: 75 ~ 154V Transfer Time: 2 ~ 4 ms Battery Type: Maintenance-free sealed Lead-Acid battery with suspended electrolyte (leakproof) Typical recharge time: 3 hour(s) RBC Quantity: 1 Typical Backup Time at Full Load: 8.2 minutes (1850 Watts) Interface Port(s): DB-9 RS-232, USB, SmartSlot Available SmartSlot Interface Quantity: 1 Control panel: LED status display with load and battery bar-graphs and On Line, On Battery, Replace Battery and Overload Indicators