Features Efficient Power Management: Automatically tracks maximum power point from solar panels for optimal energy conversion and charging efficiency Versatile Charging Modes: Features trickle, constant current, overcharging, and floating modes, perfect for maintaining 12V lead-acid batteries Compact Design: Small package size and lightweight construction make it easy to install and integrate into your existing setup Comprehensive Protection: Includes low voltage locking and battery overvoltage protection to safeguard your battery and enhance longevity Clear Charging Status: Equipped with an indicator function to easily monitor charging status, ensuring you always know your battery's condition Features: 1、100% and . 2、This product has small package shape, l 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, l 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