Use LCD to display all parameters, with rich content for intuitive understanding of system operation; Built-in energy-saving backlight for enhanced display and reduced power consumption; Features switching power supply with regulated DC12V and USB 5V outputs, suitable for DC lighting and mobile phone charging; Equipped with output switch for intelligent control and ease of operation; System power supply uses switching power supply technology to minimize static working current; Independent temperature detection circuit with high-precision temperature compensation; Exposed terminals for convenient wiring; Features a large metal housing (CIF series); Microcontroller-based design ensures intelligent, adaptable, and reliable performance; Uses upgraded PWM-based charge control to significantly improve system efficiency and extend battery life; Protection functions include: 1. Overload protection 2. Short circuit protection 3. Open-circuit protection 4. Low-voltage protection 5. Overcharge protection 6. Reverse polarity protection Product appearance, color, and printed text may vary slightly between batches, without affecting functionality. Specifications: 10A / 20A Color: Black Material: Plastic Package Contents: 1 x Solar Charge Controller Note: The actual product color may vary slightly due to lighting conditions and screen settings. Measurement tolerance is ±1–3 cm.