100A SOLAR CHARGE CONTROLLER - Compatible with 12V and 24V systems. Features advanced PWM (Pulse Width Modulation) technology to improve charging efficiency by 10%-30%. MULTIPLE INTELLIGENT PROTECTIONS - Includes built-in overcurrent protection, short circuit protection, reverse connection protection, and open circuit protection. All protections support automatic recovery, ensuring no damage to the controller and reliable performance for your devices. LCD SCREEN DISPLAY - Easy to install and operate with an intuitive LCD screen that clearly shows system status and data. Allows mode switching and parameter configuration. Adjustable low-voltage disconnect level helps protect batteries from over-discharge. Suitable for home, industrial, and commercial applications. COMPATIBILITY NOTE - This solar charge controller is designed for use with lead-acid batteries only: OPEN, AGM, GEL. Not suitable for nickel-metal hydride, lithium-ion, or other battery types. Built-in industrial mini controller automatically manages solar panel and battery charging operations. WIDELY APPLICABLE - Ideal for solar power systems, solar street lights, smart homes, solar light boxes, intelligent irrigation systems, camping lanterns, and more. Suitable for home, industrial, and commercial use. Material: Plastic Color: Blue Package Contents: 1 x Solar Charge Controller Note: Other items not included. Due to lighting effects and monitor settings, the actual color may vary slightly from images. Measurement error allowed is +/- 1-3 cm.