The present invention is directed to a wheelchair lift device, more particularly, to a folding wheelchair lift device that is independently operable by a wheelchair user without the wheelchair user exiting their chair. The wheelchair lift apparatus, in various embodiments, may include a linkage frame having a nesting linkage geometry; linkage frame components with alignment and locking features; an extension handle having alignment and locking features; and an adjustable telescopic axle-rest assembly having alignment and locking features.