SAIL SOLAR 3KW / 5KWH All-in-One System is a compact and efficient solar energy solution designed for residential and small commercial applications. It integrates a high-performance inverter, long-life lithium battery, and intelligent energy management system into one sleek unit, enabling reliable power supply, energy independence, and reduced electricity costs. With easy installation, smart monitoring, and stable performance, this system is ideal for off-grid, hybrid, and backup power scenarios.