4000W Off-Grid Solar Panel Kit: Includes an 18W waterproof solar panel and a 30A charge controller, ideal for RVs and home backup power solutions. Efficient Production: The 18W solar panel utilizes high-efficiency monocrystalline cells with a conversion rate of up to 15%, ensuring maximum output for your off-grid needs. Durable and Weather-Resistant: Constructed with low-iron tempered glass and a erosion-resistant aluminum frame, this solar panel is built to withstand harsh outdoor conditions for over a decade. Versatile Charging Options: The 30A solar charge controller features dual 5V/2.1A ports, enabling you to charge mobile devices while intelligently managing for extended life. Comprehensive Package: The kit includes a 4000W modified wave inverter, DC cigarette lighter cable, DC crocodile clip, and user manual, providing everything you need for seamless off-grid power solutions., Manufacturer: ZGHQHCDRH