How can we help you? What happens in the case of a power outage? 1 out of 2 found this helpful Because your stair lift is powered by 24V DC batteries, it will continue to operate during a power outage. Depending on the model, your stair lift can get anywhere from 10-40 trips per charge during a power outage. Your stair lift automatically charges at either end of the track which means your batteries are always charged and ready for use. Was this helpful? Yes (1) No (0) Category: General Related Questions Are my stairs suitable? How is the stair lift powered? Are stair lifts safe? How does the stair lift attach to the stairs?