The S6-EH1P(3-8)K-L-PLUS series energy storage inverter is designed for household photovoltaic energy storage systems. It has a maximum charge and discharge current of 190A, has UPS level switching capability, and provides 6-stage charge and discharge settings to maximize system energy efficiency and optimize household energy economy. The product integrates a variety of photovoltaic and battery protection functions, making the system safer, more reliable, and more battery-friendly. Multiple units of this product can be connected to the network to form a large-capacity single-phase or three-phase system with a maximum power of 48kW. At the same time, it has an AC coupling function and can be used for grid-connected power station upgrades. This product is designed to provide efficient, reliable, safe and economical green electricity solutions for residential energy storage systems.