wind controller 1 efficiency:80%-95% 2 voltage:12V-480V 3 manual,electric braking. 4 Over voltage protection,current:10A-50A wind controller1 efficiency ... to protect the wind generator and solar panels8) with RS232, USB (optional )9) with different DC , such as 12V,24V,36V,48V ... efficiency 80%---95%11)LCD ,LED ,COLOR BOX OU-19 Wind Controller