Features Efficient Power Management: Automatically tracks the maximum power point for optimal solar energy utilization, ensuring effective charging for your 12V lead-acid battery Versatile Charging Modes: Features trickle, constant current, and floating charging modes, providing tailored charging solutions for enhanced battery life and performance Compact and User-Friendly: Designed with a small package shape and minimal components, making installation and straightforward for any user Features: 1、100% and . 2、This product has small package shape, less peripheral components and it is easy to use. 3、With trickle, constant current, over charging and floating charging mode, it is ideal for charging for 12V lead-acid batteries. 4、When powered by solar panels, the internal circuit can automatically track the maximum power point of the solar panel. 5、It also low voltage locking, battery end overvoltage protection and charging status indication function. Specification: Features: 1. 100% and . 2. This product has small package shape, less peripheral components and it is easy to use. 3. With trickle, constant current, over charging and floating charging mode, it is ideal for charging for 12V lead-acid batteries. 4. When powered by solar panels, the internal circuit can automatically track the maximum power point of the solar panel. 5. It also low voltage locking, battery end overvoltage protection and charging status indication function. Specification: Condition: 100% Over-charging Voltage: 14.8v Floating Charge Voltage: 13.55V Charging Current: 3A Working Environment Temperature: -40℃-85℃ Weight: Approx. 12g / 0.4oz Size: Approx. 31 * 49mm / 1.2 * 1.9oz Package List: 1 * Solar Panel Controller Charging Module Package List