1、 Complete electrical protection function 2、 Waterproof/dust cover design to reduce damage caused by field use 3、 Voltage limiting, current limiting charging mode, battery is in good charging state 4、MPPT power tracking charging mode, extract energy charging from the fan, low voltage charging 5、 Use PWM to perform soft unloading, release excess power and protect battery Features: 1. Complete electrical protection function 2. Waterproof/dust cover design to reduce damage caused by field use 3. Voltage limiting, current limiting charging mode, battery is in good charging state 4.MPPT power tracking charging mode, extract energy charging from the fan, low voltage charging 5. Use PWM to perform soft unloading, release excess power and protect battery 6. Waterproof appearance design Field use requirements O diversified function design, can form a variety of systems    Specification: Size: Approx 15.3*8* 6.2cm/6* 3.14* 2.4inch Material :ABS Voltage: 12V, maximum wind turbine power: 300W; Voltage: 24V, maximum wind turbine power: 600W; Indicator: LED Rated current: 25A Maximum current: 30A Charging: MPPT mode charging Discharge mode: PWM Operating temperature range: -20-60 degrees Celsius Humidity range: 30%-85%RH Weight: 0.572kg    Package list: Wind Charge Controller*1     Notice: Please allow 1-3cm error due to manual measurement and make sure you do not mind before ordering. Please understand that colors may exist chromatic aberration as the different placement of pictures.