Driving method Continuous commercial power supply system (offline system) housing Can be placed vertically/horizontally Rated input voltage AC100V Rated input frequency 50/60Hz±4Hz Number of input phases Single-phase 2-wire (with ground) Input outlet shape NEMA5-15P Rated output voltage Input voltage through output Rated output frequency Input frequency thru output Number of output phases Single-phase 2-wire (with ground) Output outlet shape NEMA5-15R Number of output outlets (backup) 4 Number of output outlets (through) 0 Power consumption (normal/maximum) 10W/20W Maximum output capacity (W) 250W Maximum output capacity (VA) 400VA Backup time (at full load) 5 points Output voltage during battery operation 100V Output frequency during battery operation 50/60Hz±0.1Hz Output waveform during battery operation sine wave Switch-to-battery time Within 10msec battery type sealed lead battery number of batteries 1 charging time 12 Power management software (attached software) Free download from our website (PowerAct Pro, PowerAttendant Lite, Simple Shutdown Software) Power management software compatible OS Windows/Linux/Mac Surge function Yes Lightning surge protection function only Safety Specifications UL1778/CE (self declaration) Body size (H×W×D) 165×90×291(H×W×Dmm) body weight About 4.5kg remarks Please fax back the service application form included with the product, or send us a user registration (postcard).