Driving method Regular inverter power supply system housing Stationary type Rated input voltage AC100V/110V/115V/120V Rated input frequency 50/60Hz±5.5Hz in synchronous mode, 39 to 71Hz in asynchronous mode Number of input phases Single-phase 2-wire (with ground) Input outlet shape Terminal block Rated output voltage 100Vmode AC100V±2%、110Vmode AC110V±2%、115Vmode AC115V±2%、120Vmode AC120V±2% Rated output frequency Synchronous mode: Synchronous with input frequency, Asynchronous mode: 50/60Hz±0.5% Number of output phases Single-phase 2-wire (with ground) Output outlet shape NEMA5-15R/terminal block Number of output outlets (backup) 4 Number of output outlets (through) 0 Power consumption (normal/maximum) 150W/300W Maximum output capacity (W) 600W Maximum output capacity (VA) 750VA Backup time (at full load) 6 points Output voltage during battery operation 100V Output frequency during battery operation 50/60Hz±0.5% Output waveform during battery operation sine wave Switch-to-battery time no interruption battery type Sealed lead battery (DC12V/9Ah) number of batteries 2 charging time 8 hours Power management software (attached software) none Power management software compatible OS Windows/Linux/Mac Surge function Yes Power supply noise/lightning surge protection Safety Specifications UL1778/CE marking compliant/RoHS compliant Body size (H×W×D) 128(W)×345(D)×215(H)mm body weight About 12.5Kg remarks 3 years body warranty. BAX15NP or self-made power cable required. Replacement battery BAB100T. Shutdown software sold separately. Legal related confirmation date 2015-03-24