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 Can I take the arms off of the stair lift to make the seat wider? What if my stair lift is on the opposite end of the staircase? Can you install a stair lift outside? Will a stair lift block my staircase?