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Walker S2

UBTECH RoboticsFull-size humanoid robot

Walker S2 is a full-size humanoid robot made by UBTECH Robotics. This record lists what UBTECH Robotics publishes about it, each value with its source; anything the manufacturer does not publish is marked "Not published".

EDITORIALOverview reviewed against the cited sources by WBH, .

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Last verified6 sources

DATA · 24 FIELDS

Specifications

  • Official source
  • Community measured
  • Not published
PHYSICAL
Waist rotation±162°Official source [3]
Running speedNot publishedNot published
Ingress protectionNot publishedNot published
Operating temperatureNot publishedNot published
HeightNot publishedA value was found in research but not verified against a manufacturer source for this release; see the release exceptions.Not published
WeightNot publishedA value was found in research but not verified against a manufacturer source for this release; see the release exceptions.Not published
Degrees of freedomNot publishedA value was found in research but not verified against a manufacturer source for this release; see the release exceptions.Not published
LocomotionNot publishedNot published
JOINTS & ACTUATION
ActuatorsNot publishedNot published
Max joint torqueNot publishedNot published
POWER
Battery swapAutonomous hot-swap within 3 minutes; dual-battery designOfficial source [3]
BatteryNot publishedNot published
RuntimeNot publishedNot published
Charging timeNot publishedNot published
COMPUTE & SENSING
CamerasPure RGB binocular stereo vision in the headOfficial source [3]
Perception sensorsNot publishedNot published
LidarNot publishedNot published
ComputeNot publishedNot published
ConnectivityNot publishedNot published
HANDS & PAYLOAD
Payload15 kg (within 0-1.8 m workspace)Official source [3][4]
Arm payloadNot publishedNot published
End effectorNot publishedA value was found in research but not verified against a manufacturer source for this release; see the release exceptions.Not published
AVAILABILITY & PRICE
Indicative priceNot publishedNot published
AvailabilityNot publishedA value was found in research but not verified against a manufacturer source for this release; see the release exceptions.Not published

DATA · SOFTWARE & SIMULATION

Development

INTERFACESUPPORTPACKAGE / VERSIONSRC
Robot description (URDF/MJCF)OfficialURDF + STL (ROS/ROS 2 package) published in UBTECH-Robot/WalkerS2-Model; stated to apply to Walker S2 EDU and to be the official GHRC 2026 sim model.[5]
NVIDIA Isaac Sim / Isaac LabOfficialUSD model for Omniverse/Isaac Sim; GHRC 2026 baseline builds a Walker S2 Isaac Sim environment with LeRobotDataset v3.0 export.[5][6]
TeleoperationOfficialKeyboard teleoperation for sim data collection in the GHRC 2026 baseline (sim only).[6]
SDKNot published
ROS 2Not published
MuJoCoNot published
GazeboNot published
Programming languagesNot published

TIMELINE · 1 EVENT

Latest updates

Full timeline
  1. UBTECH reports 1,079 full-size humanoids sold in 2025HISTORICAL RECORD · PRODUCT · UBTECH ROBOTICS (HKEX FILING) · OFFICIAL