... VAC, 1 Phase + NeutralBATTERYType and PlacementMaintenance Free, Dry TypeNominal Battery Voltage240 VDCINDICATORS & CONTROL PANELTypeLCD PanelControl PanelPush Buttons ( ... Voltage Exist, Output Voltage Exist, Bypass Active, Battery Mode, Battery Capacity (%), Inverter in Service, FaultIndicators (LED) ... be switched off by audible alarm button.Battery Mode, Battery Low, UPS fault, Overload, Short Circuit ...