Missouri Wind and Solar Dual Freedom II Hybrid Wind & Solar Digital All in One Charge Controller (24V)This Double Digital All in One Charge Controller is ideal for quickly connecting two single wind turbines or one dual core wind turbine (such as our Freedom II Series). Create the most power output by using this double charge controller with a hybrid system. You can easily connect solar panels to the board, no additional controller needed. Designed, assembled and quality checked in Missouri USA using global parts. Comes pre wired for plug and play