1. Complementary control of solar/mains/battery and automatic priority recognition function of solar power on the go
2. MPPT controller/high efficiency 3. Automatic priority recognition function for daytime solar energy and evening electricity supply 4. Full power, standard pure sine wave output 5. LCD intelligent display/UPS function 6. Five major protection functions: under voltage, short circuit, over voltage, overload, and over temperature 7. Automatic conversion, automatic recovery, and unmanned functions