UPS PowerCom INF-1100 1100VA/770W,24Vdc,15A max charge curr.,External Battery Only, 2*Schuko Sockets---https://www.upspowercom.com/UPS-INF.jspModel: PowerCom Infinity INF-1100APForm: TowerCapacity(VA): 1100 VACapacity(Watts): 770 WINPUTForm : Tower TypeVoltage 100 / 110 / 120 or 220 / 230 / 240 VacVoltage Range : 70 - 150 or 140 - 300 VacFrequency Range : 50 / 60 Hz (Auto Sensing)OUTPUTWaveform : Pure Sine WaveVoltage : 100 / 110 / 120 or 220 / 230 / 240 VacFrequency : 50 / 60 Hz ± 1 HzTransfer Time : 2 - 4 ms(Typical)Full Protection : Overload, Surge, Short CircuitMANAGEMENT & COMMUNICATIONIndicator : LED Panel, LCD PanelCommunication Port : USB B-typeDimensions(WxDxH)(mm) : 130 x 412 x 200Weights(Kgs) 10.8Battery (Recommended Form)Voltage : 24 VDCBattery Capacity : 100 Ah - 200 AhMaximum Charge Current : 15 ADischarge Protection : Auto Diagnostics, Over - Discharge, Shot Circuit, Fuse