| Model | J4 |
| Drive Configuration | Mid-wheel Drive |
| Drive Wheels | Standard |
| Caster Wheels | Front |
| Caster Wheels | Rear |
| Maximum Speed | Up to 5 mph |
| Ground Clearance | 2.9" at battery tray |
| Turning Radius | 21" |
| Overall Length | 32.3" |
| Base Width | 24.5" |
| Seat Width | 18" |
| Seat Depth | 20" |
| Seat-to-Floor Height | 20.5" |
| Back Width | 18" |
| Back Height | 22" |
| Battery Size | NF-22 |
| Battery Weight | 38 lbs. |
| Battery Charger | 8A Off-board |
| Motor Packages | Two motor, Mid-Wheel |
| Weight Capacity | 300 lbs. |
| Base Weight | 131.6 lbs. |
If for some reason you are encountering problems with the medical equipment you purchased, you must first contact us by calling (818) 896-8772. If the purchased item is being used within our service area, we will schedule an appointment to send out a repair technician as soon as possible to diagnose the issue and determine whether it can be fixed or not. If the item is not in our service area, depending on the location, we will either be able to send out a repair technician or have you ship the item back to us. The warranty is void if the item's ownership is transferred to a new owner, damaged due to misuse, accident, or normal wear, and tear, or if the equipment is used in any way that would void the original warranty offered by the manufacturer. For more information about our warranty, please contact us by calling (818) 896-8772 during our normal business hours..
Quantum J4 Power Wheelchair with Captain Seat
Looking for a dependable, comfortable, and affordable power wheelchair? The refurbished Quantum J4 Power Wheelchair with Captain Seat is now available at Open Box Medical in Los Angeles. This like-new unit combines premium performance with everyday comfort, giving you the benefits of a top-rated Quantum Rehab model at a much lower cost than buying brand new.
The Quantum J4 is designed with a mid-wheel drive system, allowing for a smooth ride and a tight turning radius that makes maneuvering through narrow doorways, hallways, and busy spaces effortless. Its captain seat provides superior comfort and support, making it ideal for full-time use at home or outdoors. Known for durability and reliability, Quantum Rehab wheelchairs are built to last, and this refurbished J4 has been carefully restored to ensure it performs like new.
When you purchase from Open Box Medical in Los Angeles, you get more than just a wheelchair — you get peace of mind. Each chair is inspected and tested by our experts so you can enjoy a safe, reliable, and long-lasting mobility solution. This J4 is perfect for Los Angeles residents who want the confidence of a premium power chair without paying the high price of a new model.
Why choose the Quantum J4 Power Wheelchair with Captain Seat?
- Refurbished to like-new condition by professionals
- Comfortable captain seat for long hours of use
- Mid-wheel drive for tight turns and smooth performance
- Trusted Quantum Rehab quality and durability
- Available now in Los Angeles with delivery options
Don’t miss your chance to own a Quantum J4 Power Wheelchair with Captain Seat at an unbeatable value. Contact Open Box Medical Los Angeles today to check availability or arrange local delivery.