4.2KW High-Efficiency Solar Inverter】DC12V/24V Universal, MPPT100A High-Efficiency Tracking, Off-Grid Concern-Free! Adopting advanced MPPT technology, the conversion efficiency reaches up to 98%, significantly improving the electricity generation. True sine wave output, protecting home appliances safely. Intelligent temperature-controlled fan, quiet and durable. Waterproof and dustproof design, suitable for various harsh environments. CE and ROHS certified, quality guaranteed. Solve the power supply problems in remote areas, enjoy a green energy life. For product details, please call customer service at 18929527334.