... light etc.4kw 1 horsepower air-condition, family, cinema, electric grinding wheel, electric tools, sartorius, TV, DVD, VCD, washing machine ... light etc.5kw1.5 horsepower air-condition, family, cinema, electric grinding wheel, electric tools, sartorius, TV, DVD, VCD, washing machine, ... will shut down automatically when switching to battery for power supply , no output , or inverter failure , output short ...