A wheelchair is a mobility device that enables a sick or a disabled person to move. It’s basically a chair affixed on wheels, which can be propelled either manually or electrically. Wheelchairs propelled electronically are celebrated as electric wheelchairs. Electric wheelchairs are powered by motors. They can be used indoors and outdoors and cost at least $1,500. Depending on the kind and extent of use, there are several kinds of wheelchairs acquirable on the market. Some features to consider when buying a wheelchair are the weight and size of the person using it, convenience of some indoor and exterior use, the chair’s weight capacity, power source, warranty and cost.