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. You can control the movement of the two motors as well as the direction and speed via the joystick. It allows the wheelchair to spin 360 degree at the same spot. It has an electromagnetic brake and joystick controlled start and stop. This controller's hardware and software design are reflected the domestic advanced technological capability, it can be adopted to electric wheelchairs, electric scooters, track scooters and so on.
The characteristics of this controller as below:
>> voltage:24V
>> maximum current:40A
>> control motor walt: 2*150w---2*320W
>> Protected Voltage( low pressure): 20.5+0.5V, 31V
>> Operating temperature: -20-65 degree
>> Longevity: 1, 000, 000 times
>> Compression resistance of medium: 500V. A. C. /minute
>> Uses PIC16F877 single-chip from the USA.
>>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.
>>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.
>>The design of the controller follows the standard of ISO7176-14, and is FDA510K
compliant.
>>The controller has been CE/EMC certified since Dec. 2006.
>>two years from ex-factory date for controller, subject to no human damage.No dismantling allowed.
>>Ergonomic and stylish design
>>Program adaptable
>> Two interchangeable batteries, can also act well with one battery.