This inverter is an uninterrupted power supply for load home appliance. AC output switches automatically between wire and inverter. It adopts switch power supply with high efficiency. Under the same load, the battery working time can be ½ to 1/3 longer than conventional inverter battery, a certain safety load shall be reserved for induction load (because actuation current of induction load is 5 – 10 times of running current). This equipment can be used in putting on lightings (energy-saving bulbs are recommended), radio, fan, audio, computer, fax, TV, hair dryer, printer, mini-fridge and other home appliances that are rated less than 800w at a time. The total power ratings of the appliances must not be more than 1000 watts at a time and it cannot carry Air-conditioner, boiler, heater, deep freezer and the likes.