High Frequency Inverter With .MPPT Controller And Battery300W/500W/1KW 1. Pure sine wave AC output, strong capacity to adapt to the loads; 2. Microcomputer (CPU) control technology, excellent performance 3. Full protection function (overload, short circuit, over voltage, under voltage, over temperature): 4. Reliable power frequency transformer inverter solution; 5. Comprehensive digital LED display; 6. Great power grid adaptability, suitable for use with the generator: 7. Wide range, high precision, automatic mains switching8. Lead-acid sealed battery, gel battery, open and self-configured battery charging for options.