At present, the design and structure of electric wheelchairs are very diverse, and the place positions of batteries are not the same. You can send us your needs, and we will base on the characteristics of the products you apply, the battery placement area, and the voltage Capacity, etc., customize the battery pack for you. Our product accessories include keys, chargers, controllers, etc. The battery has a powerful BMS system built in, and users can easily control the movement of the wheelchair through the controller.