Features Industrial-Grade Performance: Equipped with a robust main control chip, this controller ensures reliable operation and longevity for your solar power system Large-Screen LCD Display: Easily monitor your system's performance and adjust charge/discharge parameters with the user-friendly LCD interface Advanced PWM Charging Management: Experience efficient energy transfer and minimal heat generation thanks to the complete 3-stage PWM charging management system Comprehensive Protection Features: Enjoy peace of mind with built-in over-current, short-circuit, and reverse connection protection that self-heals without damaging the controller Versatile Application: Perfect for a wide range of uses including residential, industrial, and commercial setups, making it an essential component for solar energy systems Features: 1、Industrial‑grade main control chip and large‑screen LCD display, with adjustable charge and discharge parameters. 2、With a complete 3？stage PWM charging management and dual MOS anti？back circuit with ultra？low heat generation. 3、Built‑in over‑current/short‑circuit protection, open‑circuit protection, and reverse connection protection, all of which are self‑healing and do not damage the controller. 4、The built‑in industrial microcontroller can automatically manage the work of solar panels and batteries in the solar system. 5、This product is widely suitable for family, industry, busin, etc., and is very practical. Specification: Item Type: Solar Panel Controller Product Material: PVC Product Specification: 12V/24V 30A Rated Charging Current: 30A Rated Discharge Current: 10A USB Output: 5V/3A Size: Approx. 148.57mm / 5.8in 139.89mm / 5.5in 55.71mm / 2.2in 77.99mm / 3.1in Package List: 1 x Solar Panel Controller 1 x User Manual Package List 1 x Solar Panel Controller 1 x User Manual