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Two types of drive mechanisms are used on electric wheelchairs: indirect drive and direct drive systems. Indirect drive systems (pulleys and drive belts) are used on conventional electric wheelchair, whereas direct drive systems (gear boxes) are used on power-base wheelchairs. The vast majority of contemporary electric wheelchairs use a power base with a direct drive system. Typically, two 12-volt batteries in series (24-volts total) are needed to power an electric wheelchair. Wet cell batteries Wholesale Jerseys Free Shiping , gel batteries, or absorbent glass mat (AGM) batteries may be used in electric wheelchairs. Electric wheelchair batteries typically are rechargeable.

Electric wheelchairs also can be classified on the basis of the location of the drive wheels. There are three types of electric wheelchairs: front-wheel drive, mid- or centre-wheel drive, and rear-wheel drive. Traditionally, rear-wheel drive electric wheelchairs were preferred because of their similarity to manual wheelchair in design and maneuverability. However Wholesale Jerseys From China , centre-wheel drive wheelchairs have gained popularity because they provide increased maneuverability.

Push-rim-activated power-assisted wheelchairs (PAPAWs) incorporate features of both manual and electric wheelchairs. A PAPAW typically consists of an ultralightweight wheelchair with an external power source (batteries and motors). It complements rather than replaces an individual鈥檚 ability to manually propel the wheelchair. The push-rim contains sensors that detect the direction and magnitude of force applied to it by the individual. The motors are then activated and assist in the propulsion of the wheelchair.

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