The ESS 3.6KW+8KWH is a high-performance, all-in-one energy storage solution designed for residential and light commercial off-grid applications. This integrated system combines a 3.6kW pure sine wave inverter with an 8kWh high-capacity LiFePO4 battery and a 5000W MPPT solar charger into a single, compact unit. It features a fast 10ms transfer time to provide seamless backup power during outages, ensuring sensitive electronics remain protected and operational. With built-in WiFi monitoring and a wide MPPT voltage range of 40-450V, it offers a reliable, smart, and efficient way to manage solar energy and ensure power independence. Intelligent lithium battery, integrated with self-designed BMS and long life LFP cells, which can be widely used in various telecom and energy storage system.