... date, output voltage, battery capacity, alarm function, light-load shutdown, system boot time, MODEM settings, such as ... distortionLinear Load<3%, Non-linear Load<5%Imbalance voltageBalance load≤1%,Imbalance load≤3%Phase shift angleBalance load≤±1°, Imbalance load≤±2 ... different power capacitySoftware InterfaceWindows9X,2000,NT,Me,XP,Linux,Novell,Macosx,NT4.0Meantime between failures300,000 ...