This 4000W solar hybrid inverter is an advanced all-in-1 power solution designed for off-grid and on-grid applications. With a pure sine wave output, it ensures stable and efficient energy conversion from DC 24V to 120V AC. Featuring a tempered glass top cover and touch function buttons, its 6.25 in. LCD screen displays real-time operational data. Supporting battery-free startup, it reduces system costs by utilizing solar power directly, making it ideal for high daytime energy demands. With a maximum PV input power of 5600W, a voltage range of 55-350V DC, and an MPPT solar charger with 140A max charge current, it optimizes solar energy utilization. It supports multiple battery types, including lead-acid and lithium, with a built-in BMS function for lithium battery activation. The inverter offers 4 charging modes: only solar, mains first, solar first, and mains and solar hybrid, along with 3 output modes: solar first, mains first, and SBU priority, ensuring uninterrupted power supply. Designed for durability, it incorporates three cooling fans for efficient heat dissipation, improving efficiency and lifespan. It seamlessly integrates with utility power or generators, automatically switching to grid input when solar power is insufficient. Ideal for homes, businesses, and solar-powered systems, this hybrid inverter delivers high-performance energy management and reliability in diverse applications.