500W Vertical Axis Wind Turbine Generator Kit with Controller - Low Noise Helical VAWT for Home/RV/Boat | IP67 Weatherproof 12V/24V Dual Voltage <62dB Quiet Operation

- High-Efficiency Vertical Design: Advanced spiral blade technology generates power in low wind speeds (starting at 4.4ft/s) with a max output of 500W at 42.65ft/s, ideal for homes, cabins, and boats. - Durable & Weatherproof: Aluminum alloy blades with spray-plastic coating and a permanent magnet generator withstand rain, snow, and strong winds up to 89mph. - Quiet & Safe Operation: Precision dual-bearing design ensures <62dB noise, while automatic braking at 300RPM prevents overspeeding and damage. - Smart Controller Included: High-power tracking controller regulates voltage/current for 12V/24V batteries, compatible with gel or lead-acid systems. - Modern Aesthetic & Easy Install: Sleek white/blue design blends with any environment, with flange mounting and clear instructions for quick setup.