Feature:1. High Efficiency: Using maximum power point tracking PWM, with tracking efficiency no less than 99% and charge conversion efficiency up to 96%.2. Charging Control: Applicable to 1S and 2S lithium iron phosphate battery and ternary polymer lithium battery, and the operating parameters can be set by remote control.3. Good Algorithm: High accuracy digital boost constant current control algorithm ensures high efficiency and high constant current accuracy.4. Aluminum Casing: All aluminum housing, IP67 protection grade, suitable for various outdoor harsh environments, works with high stability.5. Easy to Install: Comes with a compact size and a light weight as well, the convenient installation can be quickly completed in minutes.Specification:Item Type: Solar Charge ControllerMaterial: AluminumMaximum Charging Current: 10AMaximum LED Power: 40W 12V, 60W 24V. .Package List:1 xSolar Charge Controller1 x User ManualNote:In order to improve the charging efficiency, the controller has no battery reverse polarity protection, and it is strictly prohibited to reverse connect the battery when wiring.