Humanoid Database
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Walker S2 (Ubtech)
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SUMMARY:
Walker S2 is a next‑generation humanoid robot developed by UBTECH as a lighter, more efficient, and more deployable variant of its flagship Walker platform. Designed for household assistance, hospitality, office support, and public‑space interaction, Walker S2 focuses on reliability, smooth locomotion, and safe manipulation rather than high‑torque industrial performance.
It represents UBTECH’s push toward practical humanoid deployment in everyday environments.
EDITORIAL:
Walker S2 is UBTECH’s answer to a simple question: What does a humanoid need to be useful today? Not acrobatics. Not extreme torque. Not flashy demos. Just stable walking, reliable hands, and AI that understands the world well enough to help.
Where Walker X is the flagship, Walker S2 is the deployment model — the robot you could actually imagine in a hotel lobby, a smart home, or a corporate workspace. It’s lighter, more efficient, and tuned for long‑duration operation. S2 shows that UBTECH isn’t just building humanoids for research labs; it’s building them for the real world.
Specifications:
Dimensions & Build
- Height: 176 cm
- Weight: 95 kg
- Design Intent: High‑uptime industrial humanoid
- Construction:
- 52‑DOF humanoid frame
- Reinforced industrial‑grade joints
- Modular battery‑swap interface
Mobility
- Locomotion: Bipedal walking
- Top Speed: 2 m/s (7.2 km/h)
- Capabilities:
- Stand‑up‑from‑fall
- Walking stairs
- Running 100 m
- Jumping + landing
- Obstacle avoidance
Degrees of Freedom
- Total DOF: 52
- Hands: Gen‑4 dexterous hands with sub‑millimeter precision
- Arms/Legs: Industrial‑grade multi‑DOF distribution
Actuation
- Actuator Type: UBTECH industrial servo modules
- Capabilities:
- High‑precision torque control
- Smooth, compliant motion
- Heavy‑duty industrial cycles
Manipulation
- Payload: 15 kg within 0–1.8 m workspace
- Capabilities:
- Sorting goods
- Assembly tasks
- Filling/emptying containers
- Fine manipulation with tactile feedback
Perception & Sensors
- “Human‑eye” binocular stereo vision (pure RGB)
- 3D perception
- Force/torque sensing
- Real‑time environment mapping
Compute & AI
- AI System: Co‑Agent multimodal reasoning engine
- Capabilities:
- Real‑time task planning
- Industrial‑grade autonomy
- Vision‑guided manipulation
- Dynamic power‑management logic
Battery & Power
- Autonomous battery swapping (world’s first)
- Runtime: ~2 hours per pack (walking/standing mix)
- Modes:
- Dual‑battery
- Single‑battery
- Auto‑select swap vs charge
Connectivity
- Industrial network interfaces
- Real‑time telemetry
- Factory‑system integration
Applications
- Smart‑factory logistics
- Assembly lines
- Inspection + material handling
- Public‑service deployments (border, security, etc.)
- Research + embodied‑AI development
Pricing
- $80,000–$90,000 depending on configuration
UBTECH has NOT published:
- Torque curves
- Joint‑speed specs
- Sensor resolution
- Environmental ratings
- API documentation
Image: AINewsDailyHub
Company Source:
- UBTECH Robotics – Walker S2 Official Page
https://www.ubtrobot.com/en/humanoid/products/walker-s2
Key News & Coverage:
- Yonhap / PRNewswire – UBTECH Walker S2 Begins Mass Production
https://www.yna.co.kr/view/RPR20251117008200353
- HeyupNow – UBTECH Unveils Walker S2, 1.76m Tall, 24/7 Operation