Selection guide for our children's mobility aids

Little solutions with a big impact

The following comparision will help you with selecting the right product for you


 SERVO L   s-max
Product Add-on kit       Stair climber
Total weight approved 200 kg       155 kg
Range with one charge of the batteries up to 55 km       approx. 26 levels
Attachment possible from seat width 24 cm       24 cm
Range and climbing capacity depend on the weight of the person to be transported, the surface, the terrain, etc.


The power support for your wheelchair

  • Attachment possible starting from seat width 24 cm
  • Battery range up to 55 km
  • Lightweight lithium-ion battery pack


The stair climber for wheelchairs

  • Attachment possible from a seat width of 24 cm
  • “ComfortStep” for a comfortable driving experience
  • High manoeuvrability even on very narrow stairs


Special challenges need extraordinary solutions


This is particularly true for creating more mobility and flexibility for heavy persons. We need safe and ingenious aids conceived and developed for this special target group. These aids need to be versatile and sturdy as well as easy to use. AAT rises to the challenge – the XXL-product line greatly relieves physical stress for both, the patients and the attendants, and makes more mobility possible.

The following comparison will help you with selecting the right product for you.

 XXL products by AAT
Total weight approved 250 kg 300 kg  
Speed forward/backward 6 km/h | 3 km/h 5,5 km/h | 3 km/h  
Range with one charge of the battery
up to 15 km up to 11,5 km
Steps per minute - -
The speed as well as the range depend on the person’s weight, the underground, the territory, the temperature, etc.


The powerful add-on drive

  • Battery range up to 15 km
  • Total weight approved, 250 kg
  • Braking-/climbing capacity, up to 20%


The powerful pushing and braking aid

  • Efficient, direct drive
  • Suitable for an approved, maximum weight of 300 kg
  • Slopes and split ramps are no problem