Features 1、Universal Compatibility: This hybrid charge controller is suitable for all 48V batteries, including li batteries, and is compatible with wind turbines, as well as solar panels up to 400W for off grid systems in residential, marine, and street lighting applications. 2、High Efficiency: Featuring boost MPPT technology for wind turbine charging, this controller ensures high efficiency charging even at low wind speeds. The seamless discharging function includes external discharging resistors, while solar panel charging utilizes PWM technology with series connected MOS tubes. 3、Intelligent Stability: Once the battery type is selected, the parameters are automatically configured accurately. Users can also adjust settings according to their preferences. The system has been upgraded to a more intelligent design, ensuring absolute stability in controlling the charging voltage. 4、Enhanced Display and DC Load Modes: With a larger LCD screen for easy viewing and performance, this controller offers two DC load outputs with four different output modes, each customizable to suit various configurations. 5、Comprehensive Safety: Equipped with various protective features including solar reverse connection safety, overcharge under voltage safety, overload safety, battery reverse connection and open circuit safety, and multiple output modes (light control, time control, dawn light), this charge controller is suitable for a wide range of applications. Specifications Item Type: Wind Solar Hybrid Controller Material: Aluminum Shell, Steel Rated System Voltage: 48V Rated Solar Power: 400W Controller Power Supply Mode: Battery or Solar Control Mode: Wind Power Generator MPPT Boost Charging, PWM Discharge, PWM Through flowing, Current Limit Function Output Working Mode: Mode 1: Light Control On. Light Control Off (3 adjustable modes) Display Content: LCD Display, Voltage, Battery Capacity Percentage, Current, Load Working Mode, etc. Safety Type: Solar Reverse Charge Safety, Battery Open Circuit Safety, Battery Anti reverse Connection Safety, Overpower and Surging Car Brake Safety, Overload Safety, etc. Cooling Method: Aluminum Profile Heat Dissipation Self cooling. Weight: Approx. 2335.00g / 82.36oz Package List 1 x Controller 1 x Resistor 1 x Cable 2 x Screw 2 x Nut 1 x Instruction Manual