Walker S2
An industrial humanoid that swaps its own battery in about 3 minutes, so it can work around the clock. It is deployed in Chinese car, electronics and logistics plants (BYD, Foxconn, Geely and others). It is enterprise-only, with no consumer version or public price. Published height and weight figures conflict between sources.
- Price
- Not announced No public price. Sold through enterprise contracts and tenders, mostly in China.
- Status
- ShippingShipped Mass production and delivery since Nov 2025; 1,079 full-size humanoids delivered in 2025 (UBTech figure)
- Height
- —
- Weight
- —
- Payload
- 15 kg
- Runtime
- 2 h
- Top speed
- —
- Degrees of freedom
- 52
- Hand DoF
- —
- Compute
- —
- Made in
- China
A dash means the maker has not published it. Values with a label are claims, not measurements.
Trust and legalWhat these mean
Does a remote human drive it?
Not disclosed
UBTech says its Co-Agent system handles task planning and anomaly detection. How much is autonomous in customer plants has not been independently audited.
US FCC
Barred (new models)
No FCC authorization found before 2026-07-28. New authorization for foreign-made humanoids is now blocked unless the Department of War grants Conditional Approval.
Status history3 dated events
- Shipping
2025 results: 1,079 full-size humanoids delivered, 821 million yuan in humanoid revenue. UBTECH Humanoid Revenue Surges in 2025 Results (Humanoid.guide)
- Shipping
Mass production and delivery begin; Walker orders exceed 800 million yuan. UBTECH Walker S2 Begins Mass Production and Delivery (PR Newswire)
- Announced
UBTech shows Walker S2 swapping its own battery in 3 minutes. UBTech shows how its humanoid robot can work 24/7 with autonomous battery swap (CnEVPost)
PromisesLedger
Sources for specs and status
- UBTECH Walker S2 product page27 Sep 2026
- This Humanoid Robot Can Swap Its Own Battery (Forbes)21 Jul 2025
- Humanoid Robots Legal in the US (RoboZaps)27 Sep 2026
Last updated 27 Sep 2026. Spotted an error? Send a correction.