Quantum Q4

Exceptional features, combined with a compact chassis

The Quantum® Q4 is a compact 4mph Mid-Wheel Drive power chair, designed for indoor and outdoor use. The Q4 has been specifically designed with the new ION Seat, which features two individual seat sizes.

The Q4 features mid-wheel 6 design, which enables tight turning radius and outstanding performance making the Q4 an excellent choice for the demands of the most active client.

Crash Tested. Subject to configuration, further information available at point of order.


Available Colours




The New TB FLEX Seating

The TB-Flex™ Seat is a unique seating system designed specifically for Quantum Power Chairs and is fully adjustable to meet the individual needs of the user.


  • 15" x 15" to 22" x 20" sizing options
  • Quantum seating accessories
  • Make fine adjustments while client is in the chair.
  • A cost effective seating solution
  • Low cost, Power tilt and Power Recline


Stephen Wright on his Quantum Q4

Stephen uses his Quantum Q4 for his daily activities, he relies on the versatility of his power chair to get him to where he needs to go. With the tight space maneuverability and excellent turning radius offered by the Q4, Stephen is able to live his life to the full.


Quantum Q4-with Power Tilt and Power Recline- 360 Deg Video

A 360 Deg video of the standard and optional features available on the Q4 Config 2


Power Recline - Standard with Configuration 2:

The Quantum Q4 features a quick and easy to use power recline

Power Tilt - Standard with Configuration 2 and
Configuration 3:

The Quantum Q4 features a quick and easy to use power tilt

Manual elevating legrests - Standard with Configuration 2:

The adaptable manual elevating legrests on the Q4 allow you to adjust the legrest to your specification.

Attendant Recline - Standard with Configuration 1 and Configuration 2:

The Quantum Q4 in configuration 1 and 2 features an quick and easy to use attendant recline.

Quantum Backpack


Quantum Q4 Specifications

Weight Capacity: 21 Stone 6 lbs. (136 k.g)
Maximum Speed: 4mph (6 km/h)
Ground Clearance: 7.62 cm (3")
Overall Length: 90.17 cm (35.5")
Overall Width: 61 cm (24.01”)
Turning Radius 50.8 cm (20”)
Tyres: Front castors: 15 cm (6”) solid
Rear castors: 15 cm (6”) solid
Drive: 35.56 cm (14”) pneumatic or solid available
Standard Controls: PG VR2
Total weight without batteries: 62 kg (136 lbs.)

ION Seating - 40.64 cm x 40.64 cm (16" x 16") or
45.72 cm x 42.72 cm (18" x 18")

TB FLEX seating: 15" x 15" to 22" x 20"

Power Options: Option 1: Static Tilt | Manual recline
Option 2: Power Tilt | Manual Recline
Option 3: Power Tilt | Power Recline
Battery Requirements: Two 12-volt, deep cycle (standard)
Size: 2x 50-55 AH
Weight: 50-55 AH: 17.24 kg (38 lbs.) each
  1. Varies with user weight, terrain type, battery amp-hour (AH), battery charge, battery condition and tyre condition.
  2. Due to manufacturing tolerances and continual product improvement, this specification can be subject to a variance of (+ or - 3%).
  3. Battery weight may vary based on manufacturer.

NOTE: All specifications subject to change without notice.

The information contained herein is correct at the time of publication; due to the manufacturer’s commitment to constant improvement and development, they reserve the right to alter specifications without prior notice. Theoretical range is calculated under test conditions in accordance with European standards. Actual range in normal use will depend on many factors, including the condition of the vehicle and its batteries, the weight of the driver, correct tyre pressure, ambient temperature, and the gradient and surface of the road or pavement.


Quantum Q4
Sell Sheet
PDF Download
Keyless locking
PDF Download
Quick Reference Tag PDF Download
Power Chair Transit
PDF Download
Quantum Q4 Owners
PDF Download
Quantum Q4
Specifications Sheet
PDF Download