The Quantum Edge is our most popular Group 3 power chair. Aside from the industry-standard motors, batteries, etc., every element of the Edge is custom-fitted to serve your functional needs. The seating system, armrests, headrest, and even the control system are all tailored to fit your exact anatomical dimensions and needs for optimal function. Although our most popular model, we offer an array of other models to fit your unique and individualized needs. See our online catalog for more model options.