Output Max Configurable Power (Watts) 780Watts / 1.3kVA Output Frequency (sync to mains) 50/60 Hz +/-1 Hz Topology Line Interactive Input Input frequency 50/60 Hz +/- 3 Hz (auto sensing) Input voltage range for main operations 176 - 294V Batteries & Runtime Battery type Maintenance-free sealed Lead-Acid battery with suspended electrolyte : leakproof Typical recharge time 16hour(s) Expected Battery Life (years) 3 - 5 RBC Quantity 1 Battery Charge Power (Watts) 11Watts Battery Volt-Amp-Hour Capacity 177 Runtime View Runtime Graph View Runtime Chart Communications & Management Interface Port(s) USB Control panel Multi-function LCD status and control console Audible Alarm Alarm when on battery : distinctive low battery alarm : overload continuous tone alarm Surge Protection and Filtering Surge energy rating 509Joules Data Line Protection RJ45 10/100/1000 Base-T Ethernet protection Filtering Full time multi-pole noise filtering :10% of IEEE surge let-through : zero clamping response time: instantaneous