About the LL-590 Elegance Collection Lift Chair: The LL-450 is a 3-position lift chair with a shell-back design. The LL-590 with its 42.5" seat width is one of Pride's widest lift chairs. As you expect, the LL-590 comes with an integrated battery backup so you don't have to worry about power outages in your home. And the battery backup is external so you can access it with ease.
