To compliment your D400 or DuoGen 3 generator is the 6TB regulator and dump resistor Kit.
This regulator primary job is to prevent battery damage through over-charging. The 6TB regulator regulates the voltage from the wind generator top charge your batteries correctly and to ensure the best possible battery longevity.
Included in this kit is a set of dump resistors which dissipate any excess energy from the wind generator once the batteries are fully charged.