【MPPT & PWM Technology】The fan charging part adopts MPPT technology, which can continue to charge efficiently even at low wind speed. Stepless unloading function, including external unloading load resistor. The solar panel charging adopts PWM technology and is connected in series through MOS tubes. 【Large LCD Display Screen】Larger LCD screen design, easy to browse and handle, display parameters such as voltage, battery level, current, power, load mode, temperature, etc., DC load has 3 output modes, each of which can be set differently. 【Multiple Protection】Built-in solar reverse connection protection, overcharge, undervoltage and overload protection, battery reverse connection protection and open circuit protection, etc., safe and reliable. 【Intelligent Stable System】LCD wind solar controller provides selective switching between Chinese and English, the parameters are automatically set after selecting the battery type, users can also adjust according to their own needs, and the controller controls the charging voltage to be stable. 【Applicable Scenarios】This charge controller is suitable for all 12V or 24V or 48V batteries, including lithium batteries. Suitable for wind turbines and solar panels, suitable for wind and solar hybrid systems for houses, ships and street lights.