Introduction This product is a solar off-grid inverter that uses solar energy to charge the battery and output 220V single-phase sinusoidal AC voltage. The product includes two main functions: charging and inverter. The product is mainly used in short-term and long-term power supply in areas without or lack of electricity,and can be applied to scenarios such as photovoltaic, wind power and other multi-input household power supply, commercial power supply, agricultural power supply, and UPS backup power supply.