... house, vehicle, ship, navigation and places where lack of city power, mobile electricity work and telecommunications device, launch Station, Emengency EPS ... 48VTransfer EfficiencyLine Modemore than 95%Battery Modemore than 88%power saverAvailable when the load is less than 25 WattsIndicators7- ... Audible Noiseless than 60dBPhysical Net Weight(KG)182022353840Dimension,D X W X H(mm)218X179X442218X179X598