You’ll also get added peace-of-mind, knowing that a Stannah battery operated chair lift will have your back when you need it most. During your commitment-free stair survey, one of our experienced advisers will identify the most convenient outlet, so you need not worry about this. This means all you’ll need is a regular outlet near the stairs, and your stairlift will be ready to go! The power supply will keep the chair lift batteries charged and ready to be used at all times. Stannah stairlifts employ a battery-powered rack and pinion drive system that is continuously being charged by a nearby outlet at the top or bottom of your stairs. Stairlifts run on batteries that receive a constant charge from the main power supply this is the case for both curved and straight stairlifts. How long do they last? What’s involved in a stairlift battery replacement? Do stairlifts have batteries? Home Resources Stairlift Batteries Stairlift Batteries Discover everything you need to know about stairlift batteries.