🇨🇳 Walker S2
UBTech Robotics · China · unveiled 2025
limited-production
task-autonomous
electric
data confidence: medium
69.0
XHI Score
Rank #4 of 71
Score breakdown
Autonomy & Intelligence · 25%92.0
Manipulation & Dexterity · 20%60.5
Mobility & Locomotion · 15%62.0
Hardware & Engineering · 15%68.2
Commercial Readiness & Deployment · 15%96.0
Ecosystem & Viability · 10%0.0
Each pillar is scored 0–100 from published specs, then weighted into the overall XHI. See the full methodology →
Notable
World's first humanoid to autonomously hot-swap its own battery (dual 48V packs, under 3 minutes via dual-arm coordination) for continuous 24/7 operation; entered mass production Nov 2025 with RMB 800M+ in orders.
Deployments & partners
- BYD
- Geely Auto
- Zeekr
- NIO
- FAW-Volkswagen
- Audi FAW
- BAIC New Energy
- Foxconn
- SF Express
Specifications
Height
176.0 cm
Weight
73.0 kg
Payload
15.0 kg
Walking speed
2.0 m/s
Runtime
2.0 h
Battery
—
Total DoF
52
Hand DoF (per hand)
11
Dexterous hands
Yes
Actuation
electric
Onboard compute
—
AI model
BrainNet 2.0 + Co-Agents multimodal reasoning
Indicative price
$90,000
Company valuation
—
Sources · cross-checked, as of 2026-06
- https://www.ubtrobot.com/en/humanoid/products/walker-s2
- https://roboticsandautomationnews.com/2025/08/01/ubtech-unveils-worlds-first-humanoid-robot-to-autonomously-swap-its-own-battery/93467/
- https://humanoid.press/database/humanoid-press-walker-s2/
- https://www.intelligentliving.co/walker-s2-humanoid-changes-own-batteries/
Data confidence: medium. Some figures for this robot rest on single or conflicting sources, or on manufacturer/aggregator material rather than independent reporting. Treat second-order specs as approximate. Fields marked “—” were genuinely undisclosed and left blank rather than estimated.