HUMANOID.INTEL
FIG.AIFigure 03+1.5B.SeriesCTSLA.BOTOptimus+8k.Units.Q1BOS.DYNAtlas+New.CEO.2026AGIL.ROBDigit+AMZN.ScaleNEURA4NE-1+$1B.SeriesDAPP.TRONApollo+$520M.ExtAUNIT.REEG1+3k.Ships.25SUNDAYHomeBot+$1.15B.ValGALBOTG1+RMB2.5B.SerBSANC.AIPhoenix+$90M.SeriesD1X.TECHNEO+$125M.SerCMIND.ROBStealth+Founded.2026FUND.YTD2026$5.8B.Raised
Terminal/Robot DB/Walker S2
commercialChina

Walker S2

Height
1.70m
Weight
60kg
Degrees of Freedom
41
Payload Capacity
15kg
Battery Life
3 hrs
Actuation Type
Electric
Motor Type
Not disclosed
Transmission
Harmonic reducer
Compute
Not disclosed
Materials
Not disclosed
BOM Estimate
$80K
Country
China
Status
COMMERCIAL
About

UBTECH's Walker S2 is the latest evolution of the Walker platform, featuring autonomous battery swapping capability that enables 24/7 continuous operation in factory environments without human intervention. The S2 retains the 41 degrees of freedom of its predecessor while adding improved manipulation dexterity and a modular battery system. Demonstrated changing its own battery pack autonomously in CNET coverage.

Deployment Notes
Targeting automotive and electronics manufacturing lines. Autonomous battery swap demonstrated publicly in March 2026.
Supply Chain
ComponentSupplierConfidence
Harmonic ReducerHarmonic Drive Systemsinferred
Servo ActuatorsEstun Automationinferred
Cross-Roller BearingsTHKinferred
Battery PackCATLconfirmed
Battery PackBYDinferred
Image SensorsSony Semiconductorconfirmed
Servo MotorsMoons' Electricinferred
AI ChipsHorizon Roboticsconfirmed
BLDC Servo MotorsInovanceinferred
Milestones
2025-10Walker S2 prototype unveiled
2026-03Autonomous battery swapping demo covered by CNET
UBTECH Robotics — Funding Summary
Total Funding
$940M+
Latest Valuation
~$3B