Invacare TDX SP2 NB

The Invacare TDX SP2 NB is a high-performance powerchair designed for active people looking to get around both indoors and out. With a narrow wheelbase and mid-wheel drive, it balances top-level manoeuvrability indoors with impressive outdoor capabilities. The seating on the TDX SP2 NB is fully configurable, with a wide range of options allowing it to be set up exactly to the needs of the wheelchair user, while a number of additional powered options are available, such as lift, tilt and recline.

Product Description

Power base and controls

The narrow base (NB) version of the TDX SP2 has an overall width of just 24 inches (61 cm), making it narrower than most manual wheelchairs, and great for getting around inside. Mid-wheel drive allows the wheelchair to turn on the spot, as well as offering greater stability outdoors along with the automatic Stability Lock system. Patented SureStep technology ensures that all six wheels remain on the ground at all time, giving fantastic performance outdoors, complemented by the full suspension. Modern LinX adaptable controls come as standard, and have the option for a touch-screen REM400 remote, and the powerful motors can be upgraded to a 6 mph speed if required.


While the TDX SP2 comes as standard with a tension-adjustable backrest and standard seat, the full range of Invacare's Modulite seating system can be fitted, giving postural support and comfort that can be set up to the needs of any user. The full complement of powered options that one would expect on such a high-end wheelchair are available, including powered lift, tilt, recline and powered elevating legrests. The modular nature of the wheelchair also allows adjustment at a later date, should your requirements change. Additionally, a Teens Modulite version is available for younger users, in seat widths of 12 - 15" and depths of 12 - 22", to accommodate the body shape of adolescents.


The TDX range has been refreshed with a stylish new look, including a choice of 10 shroud colours and 10 wheel insert colours, given you 100 possible colour combinations for your chair.

Our verdict

Ideal for those that require a top performing wheelchair that balances indoor and outdoor performance, the TDX is also surprisingly affordable compared to other equivalent powerchairs. It is especially suited for people after a wheelchair that can be set up exactly to their requirements, and which can also be adapted at a later date should their needs change.

If considering the TDX, we would also recommend looking at Sunrise Medical's Quickie Q500 M, which occupies the same position in the Quickie range, Permobil's M3 Corpus, and Quantum's Q6 Edge 3.

Key Features

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    Narrow width for indoor manoeuvrability
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    Great outdoor performance
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    Configurable seating
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    Full range of powered options

Our Service

We offer a range of solutions for getting the powered wheelchair of your choice, including purchase, long-term hire agreements of one or three years, and the option to lease through the Motability scheme.

We passionately believe we provide a level of service above and beyond other retailers that gives you real value for money. Our in-house experts can provide you with impartial advice on the right wheelchair for you, and none of our staff are on commission.

All aftercare is carried out by our experienced specialists, with a fleet of mobile engineers, and a fully stocked workshop at our HQ - we don't get a third-party company to carry out our work. In the event your powerchair needs to come back to us for repair, we will provide you with a loan powered wheelchair from our extensive fleet to keep you mobile. We maintain a fleet of high-end prescriptive powered wheelchairs so that your loan product will be as similar as possible to your wheelchair.

Try This Powered Wheelchair

Our Chessington Showroom is stocked with a wide range of wheelchairs for you to try out and compare, and our product specialists are on hand to answer all your questions, and carry out a full assessment. Visiting our Showroom allows you to see the widest possible range of powerchairs before making your decision on which powered wheelchair to buy.

We are also able to carry out home assessments and demonstrations - please call us to book one in. A home consultation comes with the benefit of trying out an electric wheelchair around the environment in which you will be using it.

Product Specification

Speed6mph / 9.66km/h
Battery Size50 Ah
Crash TestedYes
FunctionalityElevating Leg Rests, Seat Lifter, Tilt In Space, Recline
Indoor OutdoorIndoor & Outdoors
Made To MeasureMade to Measure
Max Range16miles / 25.75km
Powerchair TypePrescriptive Powerchair
Max Seat Depth56cm / 22.05in
Max Seat Width58cm / 22.83in
Min Seat Depth41cm / 16.14in
Min Seat Width38cm / 14.96in
Min Seat Height45cm / 17.72in
Weight Capacity150kg / 23st 9lb
Min Overall Width61cm / 24.02in
Min Overall Length116cm / 45.67in
Min Overall Weight138kg / 21st 10lb


£5,370 exc VAT / £6,444 inc VAT

Prescriptive powerchairs such as this are built to order following an assessment with one of our Prescriptive Assessors. They are available with a wide range of customisation options, including powered seating functions, cushions and backrests, and drive performance upgrades, and these can affect the price - our Prescriptive Assessors will run through all the options at your assessment. As a general guideline, opting for multiple powered seating functions can add significantly to the cost of the wheelchair; however it is possible to get a fully functioning and desirable chair at the base price!

People purchasing powered wheelchairs will often qualify for zero-rated VAT. If the person using the wheelchair has a permanent disability, terminal illness or chronic sickness then they will be eligible for 0% VAT. Our Prescriptive Assessors will be able to answer any questions you may have about VAT.

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