... TUV is certified (2)Low wind speed model,has electric brake (3)Overcharging protection, stable output voltage It build in ... -up wind speed2m/sRated wind speed12m/sOutput voltage12V/24V auto.distingguishRated power400W at 29mph(13m/s)Turbine controllerMPPT(Maximum ... It is a full Intelligent controller,Voltage rise,auto brake,autounloading,12/24V auto distinguish,auto week up and so on ,It will ...