Features Smart Charging System: Automatically regulates charging for your battery, ensuring optimal performance and efficiency from your wind generator Enhanced Safety Features: Internal circuit protects your battery by controlling the fan's operation, preventing overcharging and extending battery life Advanced Modular Design: Integrated rectifier and brake circuit improve heat dissipation and reliability, enhancing the overall performance of your system IP67 Waterproof Rating: Fully waterproof design allows for reliable operation even in wet conditions, ensuring long-lasting stability and durability User-Friendly Installation: Compact and lightweight construction simplifies wiring and setup, making it easy for anyone to install without professional help Features: 1、Smart Charging: This regulator can be applied to control the wind generator to automatically charge the battery. 2、Secure Working: When the battery is fully charged, the internal circuit automatically controls the fan to brake. When the battery voltage drops to the recovery voltage, the fan resumes charging the battery, thereby protecting the fan and battery. 3、Modular Design: The rectifier and brake circuit are designed with integrated modules, which are more advanced in terms of heat dissipation and reliability. 4、Using in Water: Full ing and IP67 waterproof design ensures that the controller can be used normally for a long time even if it's placed in water, and the stability is greatly improved. 5、Easy to Install: Simple wiring with light weight and compact size makes the installation much more convenient. Specification: Item Type: Wind Turbine Controller Material: Aluminium Alloy Working Voltage: 48V Power: 400W Size: Approx. 9 x 8.5 x 2cm / 3.54 x 3.35 x 0.79in Waterproof Rating: IP67 Package List: 1 x Wind Turbine Controller Note: Pay attention to electricity safety, and the wiring must be accurate. Package List 1 x Wind Turbine Controller