Electric power wheelchair electromagnetic brake specifications ;

Electromagnetic brakes uses electric system to activate the brake but the torque is transmitted mechanically, without going into the details, electromagnet brake on an electric power wheelchair is activated when you pull the brake lever which then apply the voltage that eventually causes the electric wheelchair to stop.

Automatic Braking  in Powered wheelchair

Some powered wheelchair come with automatic brake that stop the wheelchair when it senses that the electric wheelchair is too close to an object. This is a an important part of a wheelchair and should be considered especially if you are considering electric wheelchairs that have almost the same specifications