Walker S2

UBTECH (China) · 2025

Quote (~$90k–160k reported)No official list price; figures from media reports and filings
AvailableRL walkingSwaps its own batteryFactory deploymentsMass production
Weeks+Shipping: Not available. Enterprise sales in China; no public US ordering.

Overview

UBTECH's industrial humanoid, launched July 2025, is known for autonomously swapping its own battery in about three minutes to run around the clock. It entered mass production in late 2025 with more than 800 million yuan in orders from carmakers and data-collection centers. Sold to enterprises only.

Specifications

CategoryBipeds · Full-size humanoids
Released2025
AvailabilityAvailable
ProgrammabilityLimited SDK
Best forProfessionals & labs
Vision sensorsCamera, Depth camera
ActuatorsBrushless / direct-drive motors
AudioUnknown
Compute typeProprietary / undisclosed
Balance typeRL walking
Height~176 cm
Weight~70 kg with battery
ComputeNot published
SpeedUp to 2.0 m/s walking
DOF52
SensorsPure RGB binocular stereo cameras in the head, with learned stereo depth estimation
BalanceDynamic whole-body balance; UBTECH describes a whole-body human-like dynamic balancing algorithm that holds a 15 kg payload while bending 125°. The split between learned and model-based control is not published.
SDKEnterprise integration only

Ratings & reviews

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