How can we help you? How is the stair lift powered? 1 out of 2 found this helpful Our stair lifts are powered by 24V DC batteries which are always charging at the top or bottom landing. Was this helpful? Yes (1) No (0) Category: General Related Questions How long does the installation take? How do I choose the right stair lift? Are stair lifts safe? What are the safety features on a stair lift?