Rated input frequency 50/60Hz±4Hz Number of input phases Single-phase Input outlet shape NEMA5-15P Rated output voltage [100Vmode]AC90~110V、[110Vmode]AC100~120V、[115Vmode]AC105~120V、[120Vmode]AC105~120V Rated output frequency 50/60Hz±1Hz Number of output phases Single-phase Output outlet shape NEMA5-15R Number of output outlets (backup) 2 Power consumption (normal/maximum) 20 Maximum output capacity (W) 300W Maximum output capacity (VA) 500VA Backup time (at full load) 4 points Output voltage during battery operation 100V Output frequency during battery operation 50/60Hz±1Hz Output waveform during battery operation square wave Switch-to-battery time Within 10msec battery type Sealed lead battery (long life type) number of batteries 1 charging time 12 Power management software (attached software) Yes PowerAct Pro (automatic shutdown software) and UPS service driver Power management software compatible OS PowerAct Pro; Windows Server2003, XP, 2000, Me, 98, Linux/UPS Service Driver; Windows Server2003, XP, 2000 Surge function none Safety Specifications VCCI Class B, UL1778, CE marking Body size (H×W×D) 278×90×287 body weight 5kg remarks 3 years free warranty (battery 1 year) Other environmental and safety standards WL 1778/h Electrical Appliance and Material Safety Law: Not applicable: 3P-2P conversion plug (accessory) only, compliant.