1) Pure sine wave output, suitable for TV sets, refrigerators, induction cookers, electric fans. 2) Microwave ovens, air conditioners and other household equipment use #Microcomputer (CPU) control technology, superior performance. 3) Ultra-wide input voltage range, high-precision output, fully automatic voltage regulation. 4) Built-in protection functions such as overload, short circuit, over voltage, under voltage, over temperature, etc., high reliability. 5) Simple and clear LED display, can be upgraded to a comprehensive digital LCD display for easy observation of machine status. 6) The power supply time can be arbitrarily configured according to different requirements. 7) Adopt valve-regulated maintenance-free lead-acid battery, intelligent battery management, overcharge, over-discharge protection, and extend battery life.