Features: _x000D_1. 100% brand new and high quality. _x000D_2. This product has small package shape, less peripheral components and it is easy to use. _x000D_3. With trickle, constant current, over charging and floating charging mode, it is ideal for charging for 12V lead-acid batteries. _x000D_4. When powered by solar panels, the internal circuit can automatically track the maximum power point of the solar panel. _x000D_5. It also low voltage locking, battery end overvoltage protection and charging status indication function. _x000D_ _x000D_Specification: _x000D_Condition: 100% Brand New _x000D_Over-charging Voltage: 14.8v _x000D_Floating Charge Voltage: 13.55V _x000D_Charging Current: 3A _x000D_Working Environment Temperature: -40-85 _x000D_Weight: Approx. 12g / 0.4oz _x000D_Size: Approx. 31 * 49mm / 1.2 * 1.9oz _x000D_ _x000D_Package List: _x000D_1 * Solar Panel Controller Charging Module 1100% brand new and high quality. 2This product has small package shape, less peripheral components and it is easy to use. 3With trickle, constant current, over charging and floating charging mode, it is ideal for charging for 12V lead-acid batteries. 4When powered by solar panels, the internal circuit can automatically track the maximum power point of the solar panel. 5It also low voltage locking, battery end overvoltage protection and charging status indication function.