--- https://www.upspowercom.com/UPS-SRT.jsp Model: PowerCom Smart King R&T SRT-3000 Form: Rack&Tower Capacity(VA): 3000 VA Capacity(Watts): 2700 W Key Advantage: Line-Interactive UPS Design Pure Sinewave with Power Factor 0.9 LCD with Auto-Rotation for status indication Surge, Short Circuit, Overload Protections Hot Swappable Battery Replacement 50/60Hz Frequency Auto Sensing INPUT Voltage 220 / 230 / 240 Vac Voltage Range 150 - 310 Vac Frequency Range 50 / 60 Hz (Auto Sensing) OUTPUT Waveform Pure 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, EMI / RFI Filter Tele Communication RJ11 / RJ45 BATTERY Sealed, Maintenance Free Type&Quantity: 6*12V 9Ah Typical Recharge Time: 3 Hr to 90% Indicator: LCD Panel Communication Port: RS232 , USB(B type) , SNMP(Option) PHYSICAL Dimensions(WxDxH)(mm) 428 * 663 * 84 mm Weights(Kgs) 36.8