Origin	China
Model Number	B-4
Brand Name	Dahon

B-4 powered wheelchair controller is our patent product, and joystick controller for traditional electric wheelchair to the market in a quantities.Wheelchair Controller with Go Ahead, Fall Back, Turn Left and Right Functions. The characteristics of this controller as below:

1 voltage:24V

2 maximum current:40A

3 control motor walt: 2*150w---2*320W

4. Uses PIC16F877 single-chip from the USA.

5. The controller is composed of three circuit boards, with each circuit board "plug-in"

connected with each other. This averages the cost of each circuit board and also reduces the cost for replacement.

6. The after-sales service is made very easy because maintenance is achieved by simple replacement of parts and can be provided by the distributors, which greatly reduces the after-sales cost.

7. The design of the controller follows the standard of ISO7176-14, and is FDA510K compliant.

8. The controller has been CE/EMC certified since Dec. 2006.

9. two years from ex-factory date for controller, subject to no human damage.No dismantling allowed.