inspirational|Storm4ULM BE23.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover_main|Storm4ULM CV01.jpg|Invacare Storm 4 Ultra low maxx power wheelchair

This power wheelchair offers excellent satisfaction to users. It is built with a robust frame, small overall width, and secure power positioning system that meets all users need. Users can easily service and maintain it as it is built with a keen consideration of simplicity in mind. Invacare understands that users require a power wheelchair that can be easily maintained and serviced hassle-free, thus the Storm4 Ultra Low Maxx directly serves this purpose.  

cover|Storm4ULM-CV53.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV65.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV86.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF191.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF241.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF261.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV53.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV65.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV86.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF191.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF241.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF261.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV53.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV65.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
cover|Storm4ULM-CV86.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF191.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF241.jpg|Invacare Storm 4 Ultra low maxx power wheelchair
feature|Storm4ULM-OF261.jpg|Invacare Storm 4 Ultra low maxx power wheelchair

The Invacare Storm4 Ultra Low Maxx revolutionise not only the way you drive but also the way you are positioned with its outstanding manoeuvrability and superior functionality. It is suitable for indoor or outdoor use. The motor type and speed on the Storm4 Ultra Low Maxx can be selected for either indoor wheelchairs or outdoor wheelchairs depending on the user's primary requirements. 

The Storm4 Ultra Low Maxx can be adjusted for a more personalised fit while allowing for various future adjustments if the users’ needs change. The seat width can be adjusted from 405 - 505mm or 505 - 610mm in an increase of 25mm, and seat depth can be infinitely adjusted between 380 - 480mm and from 480 - 580mm. Below are some key features of Storm4 Ultra Low Maxx: 

  • Simple servicing and maintenance: The batteries are easily removed, and the chair's electronics are simple to access. 

  • Highly customisable: It can be customised to individual requirements –users can change colours, seating, backrests, armrests, leg rests, headrests, and accessories.  

  • Armrests: It comes with a width-adjustable ‘Cantilever style’ armrests and traditional ‘two post’ recline armrests.  

  • Seat lift: It has a 300mm seat lift that provides easy access to higher objects and allows users to achieve more social eye-level contact. 

  • Headrest options: Users can choose from Onyx or a range of Elan Headrests based on the level of support required. 

  • LED light system: It has an appealing designed lighting system that provides reliable bright light for a safer drive. 

Suitable for indoor or outdoor use
Suitable for indoor or outdoor use

The motor type and speed on the Storm4 Ultra Low Maxx can be selected for either indoor or outdoor use depending on the user's primary requirements.

Simple servicing and maintenance
Simple servicing and maintenance

The Storm4 Ultra Low Maxx has been

Highly customisable
Highly customisable

The contemporary design of the Storm4 Ultra Low Maxx is underpinned by a robust construction and solid driving performance.

Maximum comfort and pressure reduction
Maximum comfort and pressure reduction

The Ultra Low Maxx power positioning system can combine up to 50° tilt and 170° of recline for the ultimate in both comfort and pressure reduction.

The ultimate in recline technology
The ultimate in recline technology

The recline system on the Ultra Low Maxx is integrated with an Extended Shear Reduction (ESR) mechanism which has been specially designed around the way a user moves.

Customised shrouds
Customised shrouds

The shroud and front arm colours on the Storm4 can be easily changed, further enhancing it's attractive, modern design to suit individual user tastes.

Find Sales Offices

Find your dealer

Search for your nearest Invacare Retailer by completting the fields below.

Dealer map

Search for your nearest Invacare Retailer by completing the fields below.

Leave us a message

We will be happy to help you! If you wish to contact us feel free to fill in the below. We will reply very soon. Note that the personal data you will provide will not be used or stored unless you would like to stay connected. Feel free to read more about our Invacare Privacy Policy at the bottom of this page.

Specifications & Downloads

Sales Literature (1)
Sales Literature (1 archive)
Technical data
Technical data
Seat width

Seat width

405 - 610 mm

Seat depth

Seat depth

380 - 580 mm

Seat height

Seat height

480 mm

Backrest height

Backrest height

560 - 660 mm

Armrest height

Armrest height

240 - 330 / 320 - 405 mm

Length of footrests

Length of footrests

280 - 490 mm

Seat angle

Seat angle

0 - 50° 0 - 45°

Backrest angle

Backrest angle

90 - 170°

Total height

Total height

1250 - 1350 mm

Total length without footrests

Total length without footrests

1015 mm

Driving unit width

Driving unit width

630 mm (wheelbase)

Total length

Total length

1300 mm

Max. User weight

Max. User weight

136 kg

Battery capacity

Battery capacity

73.5 Ah

Turning diameter

Turning diameter

1770 mm

Max. climbable obstacle height

Max. climbable obstacle height

60 / 100 mm

Max. safe slope

Max. safe slope

20% (11.3°)

Motor capacity

Motor capacity

340 W

Speed

Speed

6 / 10 km/h

Driving range

Driving range

up to 36 km

Total weight

Total weight

188 kg

Crash tested

Crash tested

Shroud colour

Shroud colour

Standard colours: Blue (RAL 5026), Black (RAL 9005), Champagne (0314) - Colour Options: Transparent Red (0200), White (RAL 9016), Olive Green (RAL 6003)

Comment

1. Measured from seat plate 2. Depending on back support choice 3. Without headrest 4. Alternatively 8° or 30° precline 5. Depending on armrest choice 6. Average, varies with configuration 7. Ground to seat plate, without seat cushion 8. Measured from foot plate to seat plate 9. With lifter 10. 100kg for seat depth 405mm, 90kg for seat depth 380mm

User Manual (1)
Service Manual (1)
Test & Certificates (1)