The Whill R4 is a next-generation mobility scooter engineered for urban users who demand a high level of maneuverability, stability, and portability. Combining advanced motor technology with smart connectivity and a sleek design, the R4 is tailored for both indoor and outdoor use in crowded urban environments and on uneven terrain. Its design reflects a commitment to safety, comfort, and ease of transportation.
Additional details
- Dual-Motor System:
The R4 is powered by two motors that work in tandem to deliver responsive acceleration and an exceptionally tight turning radius. This dual-motor setup allows the scooter to perform precise maneuvers and turn on the spot, making it ideal for navigating congested city streets and confined spaces. - Superior Maneuverability:
With a turning radius of approximately 38.2 inches, the R4 provides agile handling that gives users confidence when maneuvering through tight corridors, indoors or outdoors. - Robust Performance:
Designed to support users with a weight capacity of up to 325 lbs, the Whill R4 features a top speed of 5 mph and a driving range of around 10.7 miles on a full charge. This ensures that users can enjoy extended travel without worrying about frequent recharges. - Quick Disassembly & Portability:
The scooter is engineered for convenience—it can disassemble in less than 10 seconds. This feature is particularly useful for urban dwellers who need to load the scooter into a car trunk or store it in tight spaces when not in use. - Advanced Stability & Suspension:
The R4 incorporates electronic stability control and independent suspension, including a built-in stabilizer, to provide a smooth, balanced ride even on rough or uneven surfaces. This technology adjusts the scooter’s performance in real time to enhance user safety and comfort. - IPX5 Water Resistance:
With an IPX5 rating, the Whill R4 is designed to withstand light rain and water jets from any direction, ensuring reliable operation in various weather conditions. - Smart Connectivity:
The scooter is compatible with the Whill app, which enables users to control settings, monitor battery life, and track ride statistics remotely. This smart connectivity enhances the overall user experience by allowing for personalized ride adjustments and real-time diagnostics. - FAA Compliant Battery:
Equipped with an LG lithium-ion battery that is approved for air travel, the R4 offers a fast charging time (approximately 5 hours) and a dependable power source to keep you moving, even during extended outings.
- Driving Range with Full Battery Charge: Up to 10.7 miles (17.2 km)
- Maximum Speed: 5 mph (8 km/h), 3.7 mph (6 km/h)
- Ground Clearance: 2.2 inches (55 mm)
- Obstacle Clearance: 2 inches (50 mm)
- Maximum Incline: 10° (17.6 %)
- Turning Radius: 38.2 inches (970 mm)
- Weight Capacity: 325 lbs (147 kg)
- Air Travel Approved: Yes
- Weather Tested: IPX5
- Suspension: Full suspension with stabilizer
- Device Width: 21.1 inches (535 mm)
- Device Length: 45 inches (1.143 mm)
- Device Height: 35.2 inches (895 mm)
- Weight Fully Assembled: 125.2 lbs (56.8 kg)
- Seat Sizes Available: 17 inch seat (432 mm), 21.1 inches (535 mm)
- Charging Time: Up to 5 hours
- Battery Type: Lithium-ion
- Warranty:
- Base & Seat Frame: 5 Years
- Seat & Back Cushion: 2 Years
- Mechanical, Electrical, Components, Batteries & Tires: 1 Year
Customer Reviews
Google Reviews for Sky Medical
This product has not been reviewed yet, but the Google Reviews below showcase recent customer experiences with Sky Medical.
Last updated: April 21, 2026
Toni Owens
3 months ago
"Rented a lift recliner after heart surgery. It was a great addition to rehab. Delivery and pick up was smooth, the team was kind, and the chair made recovery at home much easier for my family."
Vitali Lichtenstein
4 months ago
"Great service, friendly staff. Definitely recommend."
Dustin Kleffner
4 months ago
"Thank you Joseph and Sky Medical for Everything! The equipment helped my Father to stay comfortable and recover with much less stress. We appreciated the support, communication, and quick turnaround."
Kim Murphy
5 months ago
"So helpful answering questions, providing right equipment to care for my family. Absolutely grateful for the guidance and service. They made the process easier and helped us choose what actually fit our needs."
Sky Medical Supplies does not provide a warranty. Please refer to the manufacturer's warranty for coverage and support.
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