--- https://www.upspowercom.com/UPS-KRM.jsp Model: PowerCom King RM KIN-1500AP RM Form: Rack 2U Capacity(VA): 1500 VA Capacity(Watts): 1200 W Key Advantage: Line-Interactive UPS Design Simulated Sinewave Output Build-in AVR for Fluctuating Voltage EMI / RFI Noise Filter Applied Surge, Short Circuit, Overload Protections INPUT Voltage 220 / 230 / 240 Vac Voltage Range 165 - 300 Vac Frequency Range 50 / 60 Hz (Auto Sensing) OUTPUT Waveform Simulated Sine Wave Voltage 220 / 230 / 240 Vac Frequency 50 / 60 Hz ± 0.5 Hz Transfer Time 2 - 4 ms(Typical) PROTECTION Full Protection Overload, Surge, Short Circuit Tele Communication RJ11 / RJ45 BATTERY Sealed, Maintenance Free Type&Quantity: 2*12V 9Ah Typical Recharge Time: 8 Hr to 90% Indicator: LED/LCD Panel Communication Port: RS232, USB(B-type) PHYSICAL Dimensions(WxDxH)(mm) 428 x 357 x 84 Weights(Kgs) 16,8