Self Propelled Wheelchair With Power Assist A wheelchair with power assist is a powered device that is attached to the manual wheelchair to assist the user propel. It can be used indoors on slopes, on different terrains, and for long distances. It can also relieve discomfort in the upper extremities. https://www.mymobilityscooters.uk/products/drive-devilbiss-lightweight-aluminium-self-propel-mobility-scooter-18