NPower Wind Turbine 400 Watt, 12/24 Volts, Marine Grade + $50 Northern Tool Gift Card

Maximum Power Point Tracking (MPPT) Smart Controller varies voltage current ratio for most efficient charging
Includes power conversion to DC at battery bank for 12 Volt charging
For use with 12V or 24V systems
Mounts on any 1 1/2in. Schedule 40 steel pipe