Walker S2
Walker S2 is a full‑size bipedal humanoid robot designed for industrial and commercial environments. It features 52 degrees of freedom, high‑torque brushless motors, and dexterous five‑fingered hands. Powered by a dual‑battery hot‑swap system, it can autonomously exchange depleted packs at charging stations and resume tasks within minutes. Its AI stack combines vision‑based SLAM, real‑time path planning, and swarm coordination for reliable navigation and task sharing across multiple units. Walker S2 excels at material handling, assembly, inspection, and customer service roles in factories, warehouses, hotels, and retail spaces.
Robot Specifications
- Key FeaturesKey Features
- Top Features
- Other Features
Weight
43 kg
Speed
Max walking speed 2 m/s; typical operational speed 1 m/s
Runtime
Up to 2 hours of active operation between swaps
Charging Time
90 minutes for a full recharge; 3 minutes for autonomous hot‑swap exchange
Battery Pack
Two hot‑swappable 48 V, 2.3 kWh lithium‑ion modules
Connectivity
Wi‑Fi 6, Bluetooth 5.2, optional 5G cellular, Ethernet port
User Interface
7‑inch capacitive touchscreen on chest, voice‑command recognition, multi‑language support
Battery Life
unlimited
Compatible Devices
Alexa for Business, Google Assistant Enterprise, MQTT‑compatible IoT platforms
Sensors
Dual‑RGB stereo cameras, depth LiDAR, four‑mic microphone array, 6‑axis IMUs in torso and feet, force/tactile sensors in wrists and fingertips, temperature and voltage monitors in each battery pack
Cloud Integration
Yes; secure TLS‑encrypted connectivity to UBTech Cloud for data analytics and fleet management
Available Countries
United States China Germany Japan South Korea United Kingdom Singapore Australia
App Integration
UBTech Connect mobile and desktop app for status monitoring, task scheduling, and firmware updates
Available Colours
White, matte gray, optional custom corporate liveries
Warranty Info
2 years standard industrial warranty, extendable to 5 years
Carrying Capacity
15 kg total payload
Review Videos
Watch expert reviews and demonstrations of this robot
More Humanoid Robots
Discover more robots in the same category
Frequently Asked Questions
Get answers to common questions about this robot
Q1. What is the height of the Walker S2?
Walker S2 stands approximately 162 cm (5 ft 3 in) tall.
Q2. What is the weight of the Walker S2?
It weighs around 43 kg.
Q3. How many degrees of freedom does Walker S2 have?
It features 52 degrees of freedom across its body.
Q4. What payload can Walker S2 carry?
It can transport up to 15 kg at a full spatial range.
Q5. What type of vision system does Walker S2 use?
It uses a pure RGB stereo camera vision system in its head for binocular stereoscopic vision.
Q6. How does the dual battery system work on Walker S2?
It employs two 48‑V lithium batteries in parallel that can be hot‑swapped autonomously.
Q7. How long can Walker S2 walk on a full charge?
It can walk continuously for approximately 2 hours.
Q8. How long can Walker S2 stand idle on full charge?
It can remain standing for up to 4 hours before needing a swap.
Q9. How long does it take to charge a depleted battery?
Full recharge takes about 90 minutes.
Q10. How long does the battery swap process take?
The robot can swap one battery in around 3 minutes.
Q11. Does Walker S2 require human intervention for battery swapping?
No, it autonomously navigates to a swap station and changes its own battery.
Q12. Can Walker S2 operate continuously without human oversight?
Yes, design allows nearly non‑stop 24/7 operation with automatic swapping.
Q13. What AI system powers Walker S2?
It is driven by UBTECH’s Co‑Agent onboard intelligence and Brainnet 2.0 cloud‑based coordination.
Q14. What is Co‑Agent?
Co‑Agent is the edge AI on each robot, handling planning, intention reasoning, skill execution, and exception handling.
Q15. What does Brainnet 2.0 do?
Brainnet 2.0 is the cloud swarm brain coordinating fleet scheduling, task assignment, and inter‑robot coordination.
Q16. What sort of tasks can Walker S2 perform?
It can perform fine motor tasks in industrial settings, picking, carrying loads up to 15 kg, squatting, rotating waist ±162°.
Q17. What is the maximum walking speed of Walker S2?
It can walk at up to approximately 2 meters per second.
Q18. What connectivity options does Walker S2 support?
It supports Wi‑Fi and Bluetooth for control and data transmission.
Q19. Is Walker S2 already in production use?
It is being tested in industrial environments like Zeekr automobile plants, marking it as a series‑ready industrial model.
Q20. What distinguishes Walker S2 from other humanoid robots like Tesla’s Optimus?
Its fully autonomous hot‑swappable dual battery system for uninterrupted around‑the‑clock operation.
Reviews & Ratings
What users think about this robot
Share Your Feedback
Help us improve! Share your thoughts, suggestions, or report any issues.
Login Required
Please log in to share your feedback with us.