Output Max Configurable Power (Watts) 10.0kWatts / 10.0kVA Efficiency at Full Load 94.0 % Output Frequency (sync to mains) 50/60Hz +/- 3 Hz Other Output Voltages 220, 240 Load Crest Factor 3 : 1 Topology Double Conversion Online Waveform type Sine wave Bypass Internal Bypass (Automatic and Manual) Input Input frequency 40 - 70 Hz Input voltage range for main operations 176 - 300V Input voltage adjustable range for mains operation 110 - 300 (half load)V Efficiency at Full Load 94.0 % Other Input Voltages 220, 240 Batteries & Runtime Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Typical recharge time 3hour(s) Battery Charge Power (Watts) 531Watts Battery Volt-Amp-Hour Capacity 1599 Runtime View Runtime Graph View Runtime Chart Communications & Management Interface Port(s) DB-9 RS-232, Intelligent Smart Slot, USB Control panel Multi-function LCD status and control console Audible Alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Emergency Power Off (EPO) Yes Available SmartSlot™ Interface Quantity 1 Surge Protection and Filtering Surge energy rating 600Joules