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  • 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.

ROSS CARE support Personal Wheelchair Budget purchases and the Wheelchair Voucher scheme

  • Exceptional features, combined with a compact chassis
  • Compatible with our new easy to use NE+ control system.

  • ION Seating -features two individual seat sizes

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


Total Weight (without batteries)

62 kg (136 lbs)

Battery Requirements

Two 12-volt, deep cycle (standard) Size: 2x 50-55 AH Weight: 17.24 kg (38 lbs) each


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"


Front castors: 15 cm (6”) solid Rear castors: 15 cm (6”) solid Drive: 35.56 cm (14”) pneumatic or solid available


1. Due to manufacturing tolerances and continual product improvement, this specification can be subject to a variance of + or - 3 %. 2. Specification varies with user weight, terrain, battery type, battery condition and tire pressure. 3. 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.

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Quantum Q4 Powerchair
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