Feature 1 Widely Compatibility: This hybrid charge controller matches all 24 and 48V batteries. Suitable for wind turbines and solar panels, suitable for wind and solar complementary systems. 2 Complete Protection: The controller has solar reverse charge protection, overcharge, undervoltage and overload protection, battery reverse connection and open circuit protection and other protection functions. 3 MPPT Technology: The fan charging part adopts supercharged MPPT technology, which can continue to charge efficiently even at low wind speeds. 4 Strong Functions: The controller has a stepless unloading function, including external unloading load resistance, and the controller will automatically set the parameters. 5 Adjustable and Settable: The controller has 3 output modes, and users can also adjust the parameters on the LCD screen according to their needs.Item Type: Hybrid Wind Solar ControllerMaterial: Aluminum alloyWind Turbine Rated Power: 800WPV Module Rated Power: 800WMaximum Input Voltage: Wind turbine 80V, solar panel 55VRated Voltage: 24,48V automatic identificationControl Mode: Fan MPPT boost charging function, PWM unloading function, PWM over current limiting functionDisplay Parameters: Voltage, battery power, current, power, load mode, temperature, etc. Package List1 x Hybrid Wind Solar Controller1 x External Unloading Resistor2 x Connecting Cable2 x Screw2 x Nut1 x Instruction