The adaptive photovoltaic MPPT controller (waterproof type) is a new generation of solar powered power supply control equipment. The controller adopts MPPT (maximum power tracking) charging method to maximize the use of solar power generation, increasing power generation by 10% -25% compared to conventional charging methods. 12V/24V automatic recognition, easy to use. IP67 waterproof performance ensures normal operation even when submerged in water. Made of high-quality and low loss industrial grade materials, with low self loss. Suitable for continuous power supply systems, solar street lights, solar power stations, and other applications.