Price on request
Quantum 1450
Quantum Rehab (Pride Mobility)
Bariatric. A front-wheel-drive bariatric power base that accepts rehab seating and positioning systems.
Invacare
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The Invacare Storm 4 Max is a rear-wheel-drive bariatric power wheelchair with an extended chassis shaped around larger bodies and a 220 kg user limit. The seat is 490 to 610 mm wide, and each armrest moves out by a further 100 mm. Powered tilt and a backrest that reclines from a high pivot point are available.
- Drive
- Rear-wheel drive, 2 x 350 W
- Max user weight
- 220 kg
- Top speed
- 6 km/h
- Range
- up to 31 km (ISO 7176-4)
Invacare Storm 4 Max key features
- Maximum user weight of 220 kg
- Seat widths 490-610 mm, plus 100 mm per armrest
- Rear-wheel drive with 350 W motors
- Top speed 6 km/h, range up to 31 km
- Powered tilt 0-15 degrees and recline 0-25 degrees
- LiNX controls with G-Trac traction control
Who the Invacare Storm 4 Max suits
For users up to 220 kg who need a power chair proportioned for a larger body, with powered tilt and recline to change position. The seat set-up and pressure-care plan should be agreed with a clinician.
Figures for comparing
- Max user weight
- 220 kg (485 lb)
- Range
- 31 km (19 miles)
- Top speed
- 6 km/h (3.7 mph)
The same units on every product, converted from the specifications below. Where a source gives two limits, the lower one is shown.
Invacare Storm 4 Max specifications
| Drive | Rear-wheel drive, 2 x 350 W |
|---|---|
| Max user weight | 220 kg |
| Top speed | 6 km/h |
| Range | up to 31 km (ISO 7176-4) |
| Seat widths | 490-610 mm |
| Seat depths | 560 / 595 / 630 mm |
| Seat height | 480 or 510 mm |
| Drive unit width | 630 mm |
| Length | 1390 mm with footrests |
| Turning diameter | 2080 mm |
| Max safe slope | 6° (10.5%) |
| Maker country | USA |
| Brand | Invacare |
| Category | Power wheelchairs, Bariatric |
| Catalog ID | PW-025 |
Compared with the source page on 5 October 2026. Details can change, so we confirm them in your quote. Open the source page.
Invacare Storm 4 Max: common questions
What is the weight limit of the Invacare Storm 4 Max?
The maximum user weight is 220 kg.
How wide is the seat on the Storm 4 Max?
Seat width is 490 to 610 mm, and each armrest can be moved outwards by another 100 mm.
Is the Storm 4 Max crash tested?
The dealer specification lists it as crash tested, with a declaration of conformity and an IATA transport certificate available.
How to get a quote for the Invacare Storm 4 Max
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Parts listed for Invacare chairs
All partsTheir source pages name this model or this brand. We confirm the fit for your chair before quoting.
USD 59 per pair (manufacturer shop)
Elevating Legrests with Composite Footplates (T94HCP)
Legrests and footplates. Pair of tool-free swing-away elevating legrests with padded calf pads and composite footplates.
Out of stock at source
USD 31.98 (Monster Scooter Parts)
8 x 2 (200x50) Solid Urethane Ribbed Tire, Light Grey
Tires - caster. A light grey solid urethane 8 x 2 in tire with ribbed tread for power chair casters, flat free and latex free.
Discontinued
from USD 23.63 (Monster Scooter Parts)
C51 12 1/2 x 2 1/4 Pneumatic Tire
Tires - power chair drive. A grey non-marking 12 1/2 x 2 1/4 in pneumatic tire with a street tread for compact power chairs.
Out of stock at source
USD 47.75 (Monster Scooter Parts)
Rebel C968G 8 x 2 (200x50) Foam-Filled Tire
Tires - scooter. A foam-filled 200x50 tire with the knobby Rebel tread, replacing pneumatic or flat-free 8 x 2 in tires.
from USD 30.99 (Monster Scooter Parts)
Powertrax C248 3.00-4 (10 x 3) Pneumatic Tire
Tires - power chair drive. A grey non-marking 3.00-4 pneumatic drive tire with the knobby Powertrax tread, used on many power chairs and scooters.
Guides for this kind of product
Travel · 8 min read
Flying with a power wheelchair
Know your battery type, tell the airline early, strip off the fragile parts, and inspect the chair before you leave the arrival gate.