... Max efficiency to 92.5%7. Topology: Microprocessor8. Low battery voltage, over battery voltage, lack-voltage alarm. Protections:short circuit, overload, ... , Output voltage, Frequency, Socket type, Protection functions(Low battery voltage, over battery voltage, lack-voltage alarm. Protections:short circuit, overload, ... 600W/1200W Off Grid Inverter, Solar Energy Inverter, Wind Generator Inverters