XSTO M4 Pro Flagship Smart Electric Wheelchair (Advanced Auto-Balancing, Omnidirectional Movement, Kerb Climbing, Electric Lift, Tilt and Recline)

XSTO M4 Pro Smart Electric Mobility Wheelchair – An Advanced Self-Balancing Omnidirectional Mobility Experience

M4 Pro Product Features

• High Load Capacity: The M4 Pro has a maximum load capacity of approximately 150 kg, better accommodating taller users or those needing to carry additional items.
• Upgraded Range: The M4 Pro offers a range of approximately 26 km, providing more peace of mind for outdoor activities and daily commutes.
• Self-Balancing and Omnidirectional Movement: Equipped with an intelligent self-balancing system and omnidirectional wheels, it supports forward, backward, sideways, diagonal, and zero-radius turning, ideal for navigating narrow indoor spaces and outdoor slopes in Hong Kong.
• Enhanced Comfortable Seating: The M4 Pro further optimizes seat height, backrest adjustment, and headrest configuration, ensuring more comfortable and stable long-term seating.
• Foldable and Easy-to-Disassemble Design: Modular concept, foldable and separable for convenient storage.

Automatic Posture Balance Control:

Real-time slope sensing, automatically adjusts output and seat posture to maintain stable speed and seating, reducing the feeling of instability when going up or down slopes.

When dealing with common pedestrian slopes, estate roads, and uneven concrete surfaces in Hong Kong, the seat is less prone to tilting forward or backward, resulting in a more stable and secure ride.Maximum Climbing Angle: The series is designed to handle slopes of approximately 15°, suitable for estate roads and typical urban environments.

Omnidirectional Wheels - Obstacle Crossing Capability + Suspension Shock Absorption

Minimum turning radius: approximately 825mm.

Obstacle crossing height can reach approximately 85 mm, better handling uneven surfaces such as curbs and potholes.

The M4 Pro features an upgraded chassis with omnidirectional wheels, allowing flexible movement in multiple directions and the ability to cross common road obstacles. It easily handles complex terrain, enabling smooth turning even in narrow indoor and outdoor spaces.

Electric Seat Lift

The M4 Pro is equipped with an electric lift, allowing for stepless electric adjustment of seat height from 450mm to 730mm.

The seat height range covers typical pedestrian height, making itconvenient to access desks, dining tables, and workstations, enhancing self-care and social interaction.

Seat Tilt Adjustment

Tilt Range: 0–20° (Default Angle: 7°)

Easily adjust the seat tilt angle with just one button, while the leg rest simultaneously adjusts, maintaining continuous, comfortable seating support at all times.

Backrest Recline Adjustment

The backrest can recline up to approximately 135°, and the recline angle can also be adjusted electrically.

Can be adjusted to a suitable height and angle for resting and reducing pressure.

Comfortable Seating

Provides better support for the neck and upper back.

The M4 Pro features an extended backrest, headrest, and lateral support design, which can be configured or removed, suitable for prolonged sitting.

Ergonomic Design 4D Adjustable

Seat (height, depth, width), armrests (front/back, height, width), footrest (position, height)

Armrests can be flipped up or adjusted in height, and the footrest position can be fine-tuned, helping users get in and out of the chair and maintain an ideal posture.

Smart Automatic Lighting

The safety system automatically activates lights based on turns and braking, clearly communicating your intentions to pedestrians and vehicles behind you, enhancing driving safety.

Turn Signals: Amber lights automatically illuminate when turning.

Brake Lights: Red lights flash during deceleration or braking, alerting those behind.

Headlights: Illuminate the road ahead in low-light conditions, increasing visibility and safety.

All-Terrain Omni Wheel, 360-Degree Omnidirectional Movement, Able to Cross Curbs

Detachable Design

Automatic Folding

Space-saving

Intuitive Controller Panel

Advanced and easy-to-use interface

One-handed control for forward, backward, turning, and speed adjustment, with multiple speed settings suitable for the elderly and caregivers new to electric wheelchairs.

Can be installed on the right or left side.

APP Control Interface

Can connect to the wheelchair via a mobile app

Enables smart features like remote driving, seat and folding control, speed mode switching, and electronic locking.

Key Differences Between XSTO M4 Pro and M4

Item	M4 Pro Advanced Flagship Model	M4
Max Load Capacity	Approx. 150 kg	Approx. 115 kg
Product Weight (excluding battery)	Approx. 60 kg	Approx. 49–51 kg
Range	Approx. 26 km (depending on road conditions and load)	Approx. 17 km
Max Speed	Approx. 6 km/h	Approx. 6 km/h
Min Turning Radius	Approx. 825 mm	Approx. 820 mm
Max Climbing Angle	Approx. 15°	Approx. 15°
Battery	Standard equipped with 25.2V 23.8Ah Li-ion battery	Equipped with 25.2V 15.5Ah Li-ion battery
Obstacle Crossing Height	Chassis design more akin to "robot-grade" obstacle negotiation, tested to reach approx. 85 mm	Approx. 50 mm
Seat Height Adjustment	Electric lift, M4 Pro has a larger range, approx. 450mm to 730mm	Manual or mechanical adjustment, approx. 550–730 mm
Seat Angle Adjustment	Both backrest angles are electrically adjustable, the backrest can recline up to approx. 135°, accommodating different desk heights and resting postures.	Backrest recline and seating posture adjustment functions are more basic.
Seat Comfort	Extended backrest, headrest, and multi-directional adjustment (depending on configuration), suitable for prolonged sitting.	Standard backrest height, basic adjustment functions.
Positioning and Level	Advanced flagship model, suitable for prolonged use and users requiring higher load capacity/range.	Standard model, suitable for general daily short-to-medium distance mobility.

Note: The above specifications are compiled based on XSTO manufacturer data and public information. Actual data may vary slightly due to regional versions, optional configurations, and updates. The final specifications will be based on the Hong Kong authorized product provided by our store. If needed, we can assist in selecting suitable models based on OT/physical therapist recommendations.

Is the XSTO M4 Pro suitable for users in Hong Kong's urban environment?

The XSTO M4 Pro is a high-end electric wheelchair with self-balancing capabilities, combining an omnidirectional wheel chassis, electric seat adjustment, and a quick-folding design. It is particularly suitable for Hong Kong's urban environment with its numerous slopes, steps, and narrow spaces.

• Self-balancing + omnidirectional movement design, suitable for Hong Kong's terrain and population density.
• One-button folding and modular disassembly for storage and transport in home spaces.
• Multiple electric seat adjustments to meet the varying height and posture needs of the elderly or rehabilitating individuals, allowing for "outdoor mobility" and "prolonged resting while seated."
• Has received international design awards and is used in multiple markets, indicating high product maturity and brand credibility, which is beneficial for healthcare professionals and family members to recommend.

Practical Examples in Hong Kong

Battery Configuration

Authorized Product Guarantee

XSTO M4 Pro Home Trial