humanoidrobots.systems

ubtech/walker-s · spec sheet

UBTech Walker S (S1 / S2) specs

Industrial humanoid line for factory work; the Walker S2 (July 2025) autonomously swaps its own battery in about 3 minutes.

Maker
UBTech Robotics
Class
Humanoid
Status
Active
Availability
Buy
Country
China, Shenzhen
Level
L0 Indexed
01

Media

none on record
No licensed media on record for UBTech Walker S (S1 / S2) yet. We only show our own renders from public URDF/MJCF, Wikimedia Commons files with their exact license, images from the robot’s own open repositories, and the maker’s official videos. No press images are hotlinked. Have an openly licensed image or an official video? Send it with the correction form.
02

Specifications

5/12 fields sourced
UBTech Walker S (S1 / S2) specifications
Heightspecs.heightCmunsourced
Massspecs.massKgunsourced
Degrees of freedomspecs.dofunsourced
Payloadspecs.payloadKg15kg
Top speedspecs.speedMpsunsourced
Runtimespecs.runtimeMinunsourced
Battery capacityspecs.batteryWhunsourced
Pricespecs.priceUsdunsourcedNo list price. Orders for Walker S2 reportedly exceeded 800M yuan (~US$112M).
Actuatorsspecs.actuatorsServo joints with force feedback
Computespecs.computeBrainNet 2.0 + Co-Agent (UBTech software)
Sensorsspecs.sensorsRGB binocular stereo vision (S2)
Year introducedyear2023
Licenselicense.hw / .sw / .docsunsourced

Note · The original Walker S (2023, about 1.7 m, 41 servo joints) was deployed at a Nio factory in Feb 2024. Walker S2 was unveiled July 17, 2025 and is the mass-production model, with deliveries reported from Nov 2025. Third-party sites claim 176 cm / 70+ kg / 52 DOF for S2, but the maker page does not confirm those figures. UBTech is HKEX-listed (9880).

03

Openness

method
0 / 100Closed
ArtifactPublicWeightPoints
CADopenness.cadno250
Bill of materialsopenness.bomno200
Sim model (URDF/MJCF)openness.simno200
Firmwareopenness.firmwareno150
Softwareopenness.softwareno100
Trained policiesopenness.policiesno100
score = Σ weight × public0
04

Models, repositories, links

1 links
05

Videos

2 tagged · 0 from the maker's channel
Meet UBTECH New-Gen of Industrial Humanoid Robot——Walker S2UBTECH RoboticsOfficial embedyoutube.comUBTech RoboticsUBTech Walker S (S1 / S2)
Introducing UBTECH Humanoid Robot Walker S1: meet the generalization needs in industrial scenariosUBTECH RoboticsOfficial embedyoutube.comUBTech RoboticsUBTech Walker S (S1 / S2)
06

News and papers

0 stories · 0 papers

News mentioning UBTech Walker S (S1 / S2)

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Papers using UBTech Walker S (S1 / S2)

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07

Timeline

industry timeline

20241

  1. Milestone

    UBTech Walker S trains on a Nio assembly line

    UBTech said its Walker S humanoid began on-site training at a Nio factory, its first training in an electric vehicle plant.

    UBTech RoboticsUBTech Walker S (S1 / S2)cnevpost.com

20231

  1. Company

    UBTech lists in Hong Kong

    UBTech Robotics began trading on the Hong Kong Stock Exchange under stock code 9880, with a Walker S humanoid joining the listing ceremony.

    UBTech RoboticsUBTech Walker S (S1 / S2)scmp.comchinadailyhk.com
08

Sources

last checked 2026-09-24
  1. [1]UBTech Walker S2 pageubtrobot.com/en/humanoid/products/walker-s2checked 2026-09-24
  2. [2]CnEVPost Walker S2 battery swapcnevpost.com/2025/07/17/ubtech-humanoid-robot-autonomous-battery-swap/checked 2026-09-24
  3. [3]UBTech Walker S pageubtrobot.com/en/humanoid/products/walker-schecked 2026-09-24
09

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10

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Cite this page

humanoidrobots.systems. “UBTech Walker S (S1 / S2) specs.” Hyperspawn, data revision 2026-10-08. https://humanoidrobots.systems/ubtech/walker-s

Machine-readable: /data.json (record ubtech/walker-s).