UPS (rack-mountable) - AC 120 V - 2700 Watt - 3000 VA - USB - output connectors: 9 - 2U - black - with APC UPS Network Management Card AP9631 Output power capacity 2.7 KWatts / 3.0 kVA Max Configurable Power (Watts) 2.7 KWatts / 3.0 kVA Nominal Output Voltage 120V Output Voltage Distortion Less than 2% Output Frequency (sync to mains) 50/60Hz +/- 3 Hz Load Crest Factor 3 : 1 Topology Double Conversion Online Waveform type Sine wave Output Connections (8) NEMA 5-20R (Battery Backup) (1) NEMA L5-30R (Battery Backup) Bypass Internal Bypass (Automatic and Manual) Nominal Input Voltage 120V Input frequency 40 - 70 Hz (auto sensing) Input Connections NEMA L5-30P Cord Length 8ft ( 2.44meters ) Number of Power Cords 1 Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Included Battery Modules 1 Typical recharge time 3hour(s) Replacement Battery APCRBC152 Expected Battery Life (years) 3-5