Overcome obstacles and move freely
The XSTO X12 is a heavy-duty electric stair-climbing wheelchair equipped with LiDAR radar, automatic balancing seat, and posture adjustment. It combines advanced technology, comfort, and safety into a high-end mobility device. It automatically senses its environment and can conquer various terrains with precise AI control.
The X12 is the world's first AI all-terrain robot. The X12 international version offered in Hong Kong has an independent serial number, and its quality standards must pass UK, European, and US standards and fire tests. It also supports OTA firmware updates to enhance its functionality, ensuring the highest quality and capabilities.
All-Terrain Mobility
Overcome all obstacles and move freely
The X12 features a hybrid four-wheel, track-based chassis design with LiDAR obstacle detection, combining four-wheel independent power, suspension shock absorption, and track stair-climbing capabilities. It can easily handle stairs, ramps, hidden slopes, uneven roads, railway potholes, and various complex terrains.
136kgMax Load Capacity
3 ModesFour-wheel, Hybrid obstacle-crossing, and Dual-track drive modes
360°Self-balancing smart sensing and comfortable ride integration
Ai+LiDARActively identifies environment and assists navigation
Driving Modes
Three smart modes, automatically adapting to road conditions
The X12 features three intelligent driving modes that can switch between four-wheel drive, obstacle-crossing, and track modes depending on the terrain, allowing free movement on flat ground, slopes, steps, and stairs.
Independent four-wheel drive combined with suspension shock absorption, and the front wheels can be controlled independently. Suitable for indoor and outdoor surfaces, ramps, grass, and general outdoor roads, providing a smoother movement experience.
Wheels and tracks work together automatically to more effectively navigate curbs, steps, and transitions with height differences, improving passability and stability on complex road sections.
When entering challenging obstacle environments, the track drive and automatic posture control maintain traction to handle stairs, wide gaps, and more extreme road conditions.
Feature Highlights
8 Key Features
The X12's core is not just stair access, but the integration of all-terrain mobility, 360° self-balancing, smart sensing, and comfortable seating into a single high-end mobility system.
4WD
All-Weather Four-Wheel Drive
Independent four-wheel power output, with a top speed of 12km/h, high torque enhances obstacle-crossing ability and multi-terrain adaptability.
Suspension
Independent Suspension System
Maintains a relatively stable and controlled ride even on uneven surfaces.
Stair Climbing
Safe Stair Climbing
Track stair-climbing technology supports ascending and descending stairs, reducing limitations caused by architectural barriers.
Balance
360° Self-Balancing Seat
The seat automatically maintains balance as the terrain changes, improving stability on complex roads and handling Hong Kong's sloped environments.
All Terrain
Multi-Terrain Adaptability
Can handle slopes, gravel, broken stones, potholes, and various outdoor road environments.
AI Control
Smart AI Detection and Switching
The AI system automatically adjusts modes and output based on terrain and stage, making it easier to navigate complex road sections.
Multi Control
Multiple Control Methods
Supports joystick, remote control, and mobile app operation.
Comfort
Comfort and Relaxation
Adjustable seat, recline, and memory settings ensure comfort for long rides and daily use.
Comfort Travel
Comfortable Travel
The X12 not only emphasizes obstacle-crossing ability but also focuses on comfort for long rides, including a self-balancing seat, adjustable seating posture, armrests, and seat size settings, as well as a more relaxing riding experience.
Seat Balance
Dynamic Balance, More Stable Seating
The 360° automatic balancing system actively adjusts posture according to terrain changes, reducing the discomfort caused by bumps and preventing backward tilting.
Relax Mode
More relaxed for long periods of sitting, and easier access to desired positions
. New rocking chair rest mode.
Comfortable design and memory settings help enhance the overall riding experience during long outings.
Adjustability
Multiple Adjustments for Personalized Needs
Seat width, depth, height, backrest, and armrests can all be adjusted as needed, balancing personalization with daily practicality.
Customized Seat
Smart Adjustment, Perfect Comfort
Electric control and memory settings for backrest recline allow for subtle adjustments for different states such as reading, dining, or prolonged sitting, effectively distributing body pressure. Height adjustment allows users to freely adjust seat height, easily reach items, and maintain eye-level interaction in social settings. Recline (Tilt+Recline) provides complete relaxation, perfectly meeting the individual needs of users at all times.
Safety First
Safety First, Predictive Protection
The X12's high-precision front and rear LiDAR continuously scans the surrounding environment, actively identifying obstacles and assisting navigation. It also uses gyroscopes, spatial sensing, and positioning algorithms for obstacle detection and driving judgment, enhancing peace of mind during travel.
LiDAR Environmental Scanning Continuously senses surrounding space and ground changes, detects potential risks early, and increases driving safety.
Fall Risk Alert Provides warnings when approaching edges, stair entrances, or drops, helping to reduce misjudgments and operational stress.
Obstacle and Reversing Warning Provides active alerts for frontal obstacles and reversing collision risks, especially suitable for complex indoor and outdoor environments.
Smart Braking and Stair Stability Equipped with safety features such as emergency braking, smart braking, seat belts, and stair stability control.
Specs
Specifications Highlights
Model XSTO X12
Max Load 136 kg
Weight (without battery) 115 kg
Speed Range 0–12 km/h
Range on Flat Ground 35 km
Charging Time 6.5 hours × 2
Stair Climbing Speed/min Up 25 | Down 30 steps
Seat Tilt Angle -8° ~ 40°
Backrest Recline Angle 90° ~ 121°
Battery Specs Quick-release Lithium Battery 25.2V 25.6Ah × 2
Seat Lift Range 490–762 mm
Obstacle Clearance Height Front 100 mm / Rear 220 mm
Ditch Crossing Width Wheeled <180 mm / Tracked <300 mm
Applicable Step Size Height <200 mm, Incline <35°
Stair Platform Size L-shaped 1400×1400 / U-shaped 1400×2000 mm
Climbing Capability Wheel Mode 15° / Track Mode 40°
Seat Adjustment Range Depth 380–435 / Width 390–440 mm
Dimensions Folded 1200×685×617 / Unfolded 1210×685×1550 mm
The above XSTO X12 data has manufacturing tolerances; please refer to the latest actual product.
Want to know if XSTO X12 is suitable for your environment?
Welcome to book a test ride, inquire, experience in-store, or request a customized assessment service.
Frequently Asked Questions
The core concept of the X12 all-terrain mobile robot is to leverage multimodal perception and adaptive algorithms, enabling the robot to autonomously assess terrain and dynamically transform.
1. "Seeing" and "Understanding" - Multi-sensor fusion for spatial modeling - Built-in multiple sensors
- LiDAR active scanning
- Inertial Measurement Unit (IMU gyroscope and accelerometer)
- Sensor Fusion Algorithm
2. "Switching" dynamic mode switching:
- Four-wheel mode 🔁 Hybrid wheel-track mode 🔁 Track mode conversion
- Once the AI algorithm identifies terrain features, it automatically orchestrates seamless dynamic switching based on environment, weight, and other factors.
3. 360° Active Adaptive Balancing Safety Protection (Active Balancing Control)
- Dynamic center of gravity and posture compensation
- "Upper body vertical" constant
- Optical detection and alerts for obstacles or gaps
- During stair climbing or obstacle traversal, the AI implements "Precision Power Matching" and "Auto Drift Correction," automatically adjusting motor torque based on the incline and correcting the crawling trajectory in real-time to prevent the robot from veering off course on stairs.
X12 is the international version, and X13 is the domestic Chinese version. The product structure is the same, but the X12 adheres to international standards, with higher testing requirements for some components, and is quoted and shipped in US dollars, hence the higher cost.
Products in Hong Kong must comply with international safety standards, so the legally provided version is the X12 international version. The product will have a unique HK serial number, and the packaging and labels will be in English. It must meet British, European, and American quality standards and fire safety test requirements. Furthermore, OTA firmware updates to enhance functionality can be performed outside of China, ensuring the highest quality and functionality.
The XSTO X12 represents a generational leap compared to traditional electric stair climbers (both track-type and pole-type). Traditional stair climbers are "single-function passive medical aids," while the XSTO X12 is an "intelligent mobile robot."
1. Operational Autonomy (Key Difference)
- Traditional: Cannot be operated independently.
- X12: Users can operate it completely autonomously. It is an "electric wheelchair that can climb stairs on its own."
2. Ride Safety and Body Posture (Comfort Difference)
- Traditional: During stair climbing, the body is completely in a "supine" or "hanging upside down" position, which easily causes fear and discomfort.
- X12: Built-in self-balancing stabilization system eliminates fear and greatly enhances safety.
3. Scene Adaptability (One Machine Does It All vs. Frequent Switching)
- Traditional: Single function. Once on flat ground, it usually requires "changing vehicles" to a regular wheelchair to go out, a cumbersome process.
- X12: Adopts a "wheel-track composite chassis." Indoors on flat ground or at MTR stations, it functions as an electric wheelchair with omnidirectional wheels, offering a small turning radius and flexible curb negotiation; when encountering old building stairs or outdoor mud, the AI can automatically transform into tank track mode.
4. Technological Content (Sensing and Decision-Making Capabilities)
- Traditional: A combination of pure mechanics and electric motors. Lacks any environmental sensing capabilities, relying entirely on human eyesight to avoid obstacles.
- X12: Equipped with intelligence (Embodied AI). The vehicle body is equipped with LiDAR (Light Detection and Ranging) and IMU gyroscopes. The system automatically detects drops and adjusts power matching, providing intelligent fall protection.
1. Slim design adapted for Hong Kong's narrow indoor environments
2. Addresses the challenge of old walk-up buildings in Hong Kong that lack elevators
3. Capable of handling Hong Kong's hilly and sloped urban terrain
4. Alleviates the burden of "elderly caring for elderly" in Hong Kong families
5. The X12 is an international version, complying with Hong Kong and international requirements, and also meets fire safety standards
6. Solves the problem of "height gaps" between MTR trains and platforms
7. Battery can be quickly removed and replaced
8. "All-day uninterrupted" high endurance solution for Hong Kong
1. Stair and Obstacle Dimensions X12 Can Handle ✅
- Single Step Height: Must be less than 200 mm (20cm).
- Stair Inclination Angle: The maximum safe climbing slope is 35° to 40°.
- Stair Landing: L-shaped landing: Dimensions must be 1400 mm × 1400 mm or more. U-shaped landing (switchback stairs): Dimensions must be 1400 mm × 2000 mm or more.
- Note: These platform dimensions ensure that the X12 has sufficient turning radius when turning on flat ground and does not get stuck at corners.
Gap Crossing and Obstacle Clearance Limits:
- Gap Width Crossing: In track mode, it can directly cross gaps of up to 300 mm (30cm) wide (e.g., MTR platform gaps).
- Vertical Obstacle Clearance Height: The front wheels can clear obstacles up to 100 mm, and the rear wheels can clear raised curbs up to 220 mm.
2. Environments Where Use is "Not Recommended"? (🚫 Physical and Safety Limitations)
- Extremely narrow, spiral, or irregular fan-shaped stairs
- Steps that are too high, damaged, or have rounded edges
- Extreme steep slopes exceeding 40°
- Cliffs or deep ditches exceeding 30cm in depth
- Submerged, wading, and wet environments
