Welcome to our store! 1. SUPERIOR CHIP: This solar charge controller utilizes an industrial-grade main chip with 16AD sampling accuracy, providing precise real-time discharge current display. 2. MULTIPLE FUNCTIONS: Automatic maximum power point tracking (MPPT) charging, high charging efficiency, uninterrupted detection and charging, and bidirectional MPPT. 3. CIRCUIT PROTECTION: The solar controller features overcurrent, short-circuit, reverse connection, open-circuit, and automatic reset protection to ensure safe operation. 4. HIGH EFFICIENCY: The solar panel controller employs MPPT technology, with tracking efficiency up to 99%, significantly improving power generation efficiency. 5. OTHER FEATURES: The solar controller has a clear and intuitive LCD screen and dual USB ports for easy connection and use. Item Type: Solar Charge Controller Product Material: ABS System Voltage: 12V 24V automatic identification Package Includes: 1 x Solar Controller 1 x User Manual 100% Satisfaction Guaranteed: Our customers are our top priority. If you encounter any product issues after receiving your item, such as damage or incorrect quantity, please contact the seller immediately. We will do our best to provide you with satisfactory after-sales service. Thank you for shopping with us!