Model Number: WM800-WM4000 Series Key Specifications/Special Features: 230 and 115V AC output versions, wide AC input rangeGeneral featuresLine interactive with only 3mS transfer timeAdjustable voltage transfer points and charging voltageAutomatic restart of load after inverter shutdownSmart AVR function (two buck/boost modes)Wide AC input range of 140 to 310V AC for 230V version, 70 to 155V AC for 115V version

Generator compatible and cold-start capable

Fully functional LED or LCD display with audible alarm

Smart battery management with high power charger

Wet battery compatible

• Batteries (external) up to 500Ah typical

Intelligent two-stage charge control

Adjustable charging current for different batteries

Thermally controlled cooling fan

DC to AC isolation

Optional solar charger input (consult sales office)