ALEKO WG500 12-Volt or 24-Volt Wind Generator Turbine Generator 500W 12V 24V with Integrated Controller WG500 Aleko 500W Wind Generator is a low wind speed, small-size model with starting speed 6mph Yes! This model starts producing the wind energy just from 6mph wind! Fresh 2011 Version just shipped from the factory. This is the latest design with 3 blades. Comes with integrated charge controller, instruction manual and 1-year warranty.