Our Solar Charge Controller PWM 20A 30A is a high-performance device that works with 12V/24V solar panel systems. It is designed to protect your battery from overcharging and discharge. With its advanced PWM charging technology, this controller efficiently converts the solar panel's voltage into appropriate charging current to sustain your batteries. Moreover, this Solar Charge Controller offers multiple protection features, including overcharging, over-discharging, short circuit, and reverse polarity protection. As a factory, we take pride in our commitment to quality, and we've designed this product to meet the highest standards of performance and reliability. Whether you need a Solar Charge Controller for your domestic or commercial requirements, our product is an excellent option to achieve a sustainable power solution for your needs.