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AAT C-MAX U1 | Portable Stair Climbing System for Disabled People with Operator for People up to 140 kg (160 kg Strong Version)

AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
DELIVERY UP TO 15-25 WO.DAYS
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 stair climber chair portable stair climber AAT C-MAX U1 stair climber AAT C-MAX U1 up to 160 kg
AAT C-MAX U1 | Portable Stair Climbing System for Disabled People with Operator for People up to 140 kg (160 kg Strong Version)
More than 40 years<br/> of experience
More than 40 years
of experience
  • Stock: DELIVERY UP TO 15-25 WO.DAYS
  • Model: 1386
4,995.00€
6,193.80€
(With Tax)

Increase your mobility — the c-max helps you to overcome stairs comfortably, not only at home but everywhere else too

  • At your service — patented technology that rises to the occasion .
  • The most important features of the c-max are safety, versatility and comfort.
  • To reach this standard we developed numerous intelligent solutions to make your life easier.
  • At the heart of the matter lies the patented climbing mechanism which virtually climbs stairs all by itself.
  • The c-max is designed to handle up to 140 kg. For persons of a higher weight we offer a stronger version that carries patients up to 160 kg.
  • Mobility represents an essential aspect of your quality of life.
  • This should not be restricted, if at all possible.
  • The mobile stair climbing aid c-max helps you to be mobile, not only at home but also en route!
  • The c-max allows you to overcome comfortably even narrow stairs or other obstacles inside as well as outdoors.
  • The patented climbing kinematics practically take over the climbing process.
  • The operator merely steers the c-max with very little physical effort.
  • The c-max‘s low weight and the fact that it can be easily and quickly dismounted make it possible to take the c-max everywhere.
  • That way you reach your destination safely and comfortably.


Easy and convenient — the c-max is ready to use in next to no time

  • Quickly and effortlessly you can disassemble the c-max and store it in the car boot.
  • The device‘s adjustable handles and its ergonomic control unit make the c-max particularly user-friendly.
  • You are in control of the c-max at all times due to the adjustable driving speed which allows you to adapt to various situations appropriately.
  • The standard engine immobiliser prevents unauthorized use.
  • The removable battery pack you can charge separately from the c-max by plugging the charger (included in the delivery package) into any wall socket. 

Technology that you can trust — safe and mobile with c-max


  • Our incentive at AAT is to offer you more mobility and quality of life by means of intelligent technology.
  • A good example of this philosophy is the stair climbing aid c-max.
  • All our know-how and expertise gained in many years of experience developing powered systems for wheelchairs and climbing aids produced to an intelligent, reliable and safe system that offers numerous advantages.
  • Climbers instead of climbing wheels for secure and solid footing
  • To be used as a pushing wheelchair as well
  • Stable construction, handles patients weighing up to 140 kg
  • No damage to the edges of stairs
  • High versatility even on winding or narrow staircases
  • Applicable on almost all stair coverings
  • Low weight and easy disassembly
  • Single-step-mode continuously adjustable climbing speed


Technical data

  • Max. lifting capacity:140 kg | 160 kg (strong version)
  • Climbing speed: 8 — 23 steps per minute (continually adjustable)
  • Capacity with one charge of the batteries:15 — 30 levels (depending on person’s weight)
  • Width (in mm): 485 | 440 (without arm rest)
  • Depth (in mm):915 | 730 (folded in foot rest)
  • Height (in mm):1090
  • Batteries:2 x 12 V / 5 Ah
  • Dc-motor:24 V
  • Weight of the battery pack:4.4 kg
  • Weight of the power unit:17.2 kg
  • Weight of the seat:4.6 kg
  • Weight of the back:4.3 kg
  • Weight of the arm rests:1.2 kg
  • Step’s height:21 cm | 22.5 cm (extended)