The Quantum Q4 is a robust, versatile, and highly manoeuvrable power chair designed to provide maximum comfort and control. This mid-wheel drive power chair is equipped with Quantum Rehab’s cutting-edge technology, ensuring a smooth ride across various terrains and exceptional stability. Ideal for both indoor and outdoor use, the Quantum Q4 electric wheelchair seamlessly combines performance with style.
Weight Capacity
21 Stone 6 lbs (136 kg)
Maximum SPEED
4 mph (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″)
Standard Controls
PG VR2
Total Weight (without batteries)
62 kg (138 lbs.)
Battery Requirements
Two 12-volt, deep cycle (standard) Size: 2x 55 AH
17 kg (37.47 lbs.) each
AH Weight
17.24 kg (38 lbs) each
Seating
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″.
Tyres
Tyres Front castors: 15 cm (6”) solid Rear castors: 15 cm
(6”) solid Drive: 35.56 cm (14”) pneumatic or solid
available
N.B.
- Due to manufacturing tolerances and continual product improvement, this specification can be subject to a variance of + or – 3 %.
- Specification varies with user weight, terrain, battery type, battery condition and tyre pressure.
- Battery weight may vary based on manufacturer.
- Tested in accordance with ANSI/RESNA, WC Vol. 2, Section 4 and ISO 7176-4 standards.
- Results derived from theoretical calculations based on battery specifications and drive system performance.
- Testing conducted at maximum weight capacities.
- This specification can be subject to a variance of +10%, -5%.
- The information contained herein is correct at the time of publication; we reserve the right to alter specifications without prior notice.

