Feature: 1. Can Charge the Battery: The MPPT charge controller can effectively collect power from the wind turbine to charge the battery. 2. Multiple Protections: With battery overcharge and discharge reverse connection overload lighting current control automatic braking or manual braking protection for wind turbines. 3. Reliable Charging Control: Voltage and current controlled charging to ensure that the storage battery is always in the best state of charge. 4. Good Heat Dissipation Effect: The aluminum alloy shell has good heat dissipation ensuring safer charging and no corrosion in long term use. 5. With LED Indicator: The wind turbine controller is equipped with LED lights to display the charging or braking status making the operation more convenient. Specification: Item Type: Wind Turbine Controller Working Voltage: 12V or 24V(Auto identification) Charging Mode: MPPT Protection Level: IP67 Standby Current: 3.6mA Package List: 1 x Wind Turbine Controller How to use: MPPT Controller Status Indicator Green LED Light(Charging Indication): Off: Wind turbine not connected or wind speed is too low On: Wind turbine is charging state Red LED Light(Brake Indication): Off: Controller is working order On: Battery overvoltage or overtemperature protection