Industrial Humanoid Robot with Autonomous Battery Swapping
The UBTECH Walker S2 is the industrial humanoid robot the Chinese company UBTECH Robotics developed for production lines. At 176 cm and 70 kg with 52 degrees of freedom, it walks with a humanoid gait at 2 m/s.
Its headline capability is autonomous battery swapping: through dual-battery dynamic balancing and coordinated dual-arm work, the robot swaps its own battery within three minutes, allowing it to run around the clock. The waist joint provides +90 to -35 degrees of pitch and ±162 degrees of rotation, and the body handles a 15 kg payload across a 0-1.8 m workspace. Fourth-generation industrial dexterous hands offer 11 degrees of freedom, a six-zone tactile sensor array, a 7.5 kg single-hand grasp and a 1 kg finger grasp.
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The UBTECH Walker S2 is the new-generation industrial humanoid robot the Chinese company UBTECH Robotics developed for production lines. We supply UBTECH platforms to corporate projects in Turkey through enterprise supply, commissioning and technical integration. Configuration, delivery terms and investment are set by corporate quotation.
The published dimensions are 176 cm and 70 kg. There are 52 degrees of freedom across the body and the robot walks with a humanoid gait at 2 m/s. Fifty-two is high for this class, and most of it comes from the hands, since 11 per hand makes 22 across two.
The robot's distinguishing capability is autonomous battery swapping. Through dual-battery dynamic balancing and coordinated dual-arm work, it swaps its own battery within three minutes, which the manufacturer presents as a first among humanoid robots and on which it bases its around-the-clock operation claim.
The waist pitches from +90 to -35 degrees and rotates ±162 degrees. A high-power waist servo lets the body carry a 15 kg payload across a 0-1.8 m workspace, and with forward pitch reaching 125 degrees the robot can pick from floor level.
Fourth-generation industrial dexterous hands offer 11 degrees of freedom, a six-zone tactile sensor array, a 7.5 kg single-hand grasp and a 1 kg finger grasp. On perception there are fish-eye, RGB and RGBD cameras, a four-microphone array, two speakers, a 4-inch circular facial display and six-axis force sensors. The body is built from rigid-flex heterogeneous composite, aerospace-grade aluminium alloy, a 3D printed primary frame and 3D knitted fibre.
On software UBTECH highlights the Co-Agent, which it describes as the first industrial agent for humanoid robots, and the dual-loop AI system it forms together with BrainNet 2.0.
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On industrial humanoids the battery usually ends the shift: the robot goes to charge and the line stops.
A high-power waist servo lets the robot lift a 15 kg payload from the floor and carry it up to 1.8 metres.
There are 11 degrees of freedom per hand, a six-zone tactile sensor array, a 7.5 kg single-hand grasp and a 1 kg finger grasp.
UBTECH describes the Co-Agent it developed for the Walker S2 as the first industrial agent for humanoid robots.
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18 values in 5 categories; data published by the manufacturer.
Verified on the manufacturer page on 18 September 2026.
An itemised quote for the UBTECH Walker S2 is prepared by configuration, quantity and delivery scope.
The field value of a humanoid robot is proportional to the hours it works. On a walking body the battery is both a weight and a balance problem: make it bigger and the robot gets heavier and consumes more, make it smaller and the shift gets shorter. Most models in the sector stay in the two-to-four-hour range and leave the line to charge. The Walker S2's approach is not to enlarge the battery but to turn the swap into the robot's own job. A three-minute exchange in a two-battery arrangement means the line never stops. The engineering difficulty is keeping the robot standing and powered during the swap, solved with dual-battery dynamic balancing.
Fifty-two is high for this class. For comparison, the Unitree H2 states 31 and the AgiBot A2 Ultra 40 degrees of freedom. Most of the difference comes from the hands: 11 per hand makes 22 across two, covering roughly 42 percent of the total. The remaining 30 joints are spread across the legs, arms, waist and head. That distribution shows where the robot invests: not in walking but in doing work with its hands. The ±162 degrees of waist rotation points the same way.
| Feature | UBTECH Walker S2 | Unitree H2 | AgiBot A2 Ultra |
|---|---|---|---|
| Height | 176 cm | 182 cm | 169 cm |
| Weight | 70 kg | 70 kg | 69 kg |
| Degrees of freedom | 52 | 31 | 40 |
| Walking speed | 2 m/s | - | 1.2 m/s |
| Payload | 15 kg (body) | 7 kg (arm) | Rated ~7 kg, peak ~15 kg (per arm) |
| Uninterrupted operation | Autonomous swap in 3 min | Approximately 3 hours | 3 hours standing |
| Sourcing in Turkey | Enterprise supply | Orderable | Sourcing enquiry |
What distinguishes the Walker S2 is not a single number but a system choice: rather than running the robot longer, never stopping it. Autonomous battery swapping grips the industrial humanoid debate at the right point, because the real constraint in this class is shift length, not walking ability. Concentrating 52 degrees of freedom in the hands and giving the waist ±162 degrees of rotation serve the same goal. The absence of a channel in Turkey is a separate constraint.
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Source documents
Technical values come from the manufacturer's documents; verified on 18 September 2026. 0 documents at the bottom of the page.
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The most common questions about the UBTECH Walker S2.
We deliver UBTECH hardware to corporate projects through enterprise supply, commissioning and engineering support. Investment is set by corporate quotation against configuration, quantity and delivery terms. With organizations evaluating a humanoid for a production line we discuss the sourcing route, import and delivery terms, the service plan and a realistic timeline per project. If you are looking for a full-size humanoid deliverable today, the Unitree H2 can be ordered in Turkey.
It removes the thing that limits shift length. Most humanoids work two to four hours and then go to charge, during which the line either stops or needs a spare robot. Because the Walker S2 swaps its own battery in three minutes, it can run continuously in a two-battery arrangement, billed as around-the-clock operation.
Production line work: part handling, material feeding, sorting and assembly support. The body carries a 15 kg payload across a 0-1.8 m range, the waist pitches up to 125 degrees forward for floor-level picking, and the fourth-generation hands grasp 7.5 kg in one hand. UBTECH states that it has placed the Walker S1 from the same family on car assembly lines, where the robots work alongside autonomous logistics vehicles and AMR/AGV systems.
