Here is another versatile wheelchair that allows users to go up and down the stairs effortlessly. The TopChair-S comes with a tiltable seat to assist user transfer. It can go over obstacles with a max incline of 33 degrees and height of 20cm. The wheelchair has a max speed of 9km/h and range of 35km.
This stair-climbing wheelchair relies on rubber tracks to go up and down. Instructions are provided on a LCD screen. The above video shows the TopChair-S in action.