Modular design of patented innovation, installation, flexible expansion upgrade Power supply system consists of integrated bracket intelligent controller, solar component, intelligent battery three modules The integrated bracket uses high quality SGCC galvanized steel, through the 14-level wind test of wind tunnel laboratories. Waterproof boxes meet IP66 dust-proof waterproof, use weatherproof PC plus glass fiber, effectively adapt to outdoor harsh environments Intelligent controller uses patented MPPT control technology, charging efficiency is increased by 20% Output 3 12V DC power supply, maximum output current up to 5A Solar components use single crystal A solar panels, conversion efficiency can reach 21.6% 4 installation angles optional (20°, 30°, 45°, 55°), adapt to the environment