# Walker S2

Manufacturer: [UBTech Robotics](/companies/ubtech-robotics)  
Category: humanoid

## Summary

The Walker S2 is UBTech's enterprise humanoid, with verified factory pilots at BYD, FAW-Volkswagen, Foxconn, Geely, NIO, and Zeekr in China. UBTech is publicly traded on the Hong Kong exchange. The Walker S2 is not sold to consumers; the editorial position is honest-absence on consumer pricing.

## Top line

> Walker S2 is internal use only (not for retail), no capability claims are on file, 6 verified deployments are on file, and no incidents are on record.

## Readiness

- **Availability** (internal-only): Internal use only (not for retail).
- **Price honesty** (no-price): No price points on file for Walker S2.
- **Capability honesty** (no-claims): No reviewed capability claims on file for Walker S2.
- **Real-world use** (commercial): Maturity: commercial. 6 verified deployments in the registry.
- **Safety record** (no-incidents): No incidents on record. 6 verified deployments on file.

## What it claims to do

_No reviewed capability claims on file._

## Price

_No reviewed price points on file._

## Real-world use

- [Foxconn Smart Factory (China)](/deployments/ubtech-walker-s2-foxconn-smart-factory-china), first seen 2025-11-01
- [NIO Advanced Manufacturing Center (China)](/deployments/ubtech-walker-s2-nio-manufacturing-china), first seen 2025-01-01
- [BYD Assembly Plant (China)](/deployments/ubtech-walker-s2-byd-assembly-china), first seen 2025-01-01
- [FAW-Volkswagen Plant (Qingdao)](/deployments/ubtech-walker-s2-faw-volkswagen-qingdao), first seen 2025-01-01
- [Zeekr EV Factory (Ningbo)](/deployments/ubtech-walker-s2-zeekr-ningbo), first seen 2025-01-01
- [Geely EV Factory (China)](/deployments/ubtech-walker-s2-geely-ev-factory-china), first seen 2025-01-01

## Safety record

_No incidents on record. 6 verified deployments on file._

## Privacy

_No privacy practices disclosed or on file for Walker S2._

## Specs

- **feature**: autonomous_battery_swap
- **drive_mode**: bipedal
- **application**: industrial_manufacturing

## What's under the hood

- Runs on [UBTech BrainNet (Thinker)](/brains/ubtech-brainnet) (foundation-model)

## Frequently asked questions

### Is the Walker S2 actually available for purchase?

Not available to consumers. In internal use by UBTech Robotics.

_Source: [CNBC — China's humanoid robot players (UBTech Walker S2)](https://www.cnbc.com/2025/12/30/elon-musk-wants-robots-everywhere-china-is-making-that-a-reality.html)._

### What does the Walker S2 cost?

Not announced.

### Where is the Walker S2 being used?

Walker S2 is in use at: Foxconn Smart Factory (China) (2025-11-01), NIO Advanced Manufacturing Center (China) (2025-01-01), BYD Assembly Plant (China) (2025-01-01), FAW-Volkswagen Plant (Qingdao) (2025-01-01), and Zeekr EV Factory (Ningbo) (2025-01-01), plus 1 more.

_Source: [eWeek — Foxconn deploying Walker S2 in warehouse/smart-factory operations](https://www.eweek.com/news/china-deploys-humanoid-robots-ubtech-walker/)._

### What's the Walker S2 running on?

Walker S2 runs on UBTech BrainNet (Thinker) (foundation-model, pilot maturity).

### Is the Walker S2 safe?

No incidents on record across 6 verified deployments.

### How does the Walker S2 handle privacy?

No privacy practices disclosed or on file for Walker S2.

### Who makes the Walker S2?

Walker S2 is made by UBTech Robotics, based in Shenzhen, China.

_Source: [CNBC — China's humanoid robot players (UBTech Walker S2)](https://www.cnbc.com/2025/12/30/elon-musk-wants-robots-everywhere-china-is-making-that-a-reality.html)._

## Manufacturer

- [UBTech Robotics (https://www.cnbc.com/2025/12/30/elon-musk-wants-robots-everywhere-china-is-making-that-a-reality.html)](https://www.cnbc.com/2025/12/30/elon-musk-wants-robots-everywhere-china-is-making-that-a-reality.html)

## Compared to

- [PAL TALOS](/consumer/models/pal-talos)
- [AgiBot Yuanzheng A2](/consumer/models/agibot-yuanzheng-a2)
- [Phoenix](/consumer/models/sanctuary-phoenix)

## Sources

1. [UBTech — Walker series](https://www.ubtrobot.com/en/humanoid/products/Walker) · 2026-01-01
2. [CNBC — UBTech Walker S2 battery-swap, production plans](https://www.cnbc.com/2025/12/30/elon-musk-wants-robots-everywhere-china-is-making-that-a-reality.html) · 2025-12-30
3. [UBTech Walker S2 product page (52-DOF, 15kg payload, autonomous hot-swap battery)](https://www.ubtrobot.com/en/humanoid/products/walker-s2)
4. [Walker S2 begins mass production and delivery (orders >800M yuan; BYD/Foxconn/Geely/Audi-FAW)](https://www.prnewswire.com/news-releases/ubtech-humanoid-robot-walker-s2-begins-mass-production-and-delivery-with-orders-exceeding-800-million-yuan-302616924.html)
5. [UBTech Walker S2 autonomous battery swap (automaker line work framed as tests/training)](https://cnevpost.com/2025/07/17/ubtech-humanoid-robot-autonomous-battery-swap/)
6. [UBTech ships first mass batch of humanoid workers](https://interestingengineering.com/ai-robotics/worlds-first-large-delivery-of-humanoid-workers)
7. [UBTech completes first mass humanoid robot delivery](https://aibusiness.com/robotics/chinese-company-completes-first-mass-humanoid-robot-delivery)
8. [Walker S2 autonomous self-battery-swap demo](https://newatlas.com/ai-humanoids/walker-s2-humanoid-robot-swaps-batteries/)
9. [UBTech unveils first humanoid to autonomously swap its battery (company claim)](https://roboticsandautomationnews.com/2025/08/01/ubtech-unveils-worlds-first-humanoid-robot-to-autonomously-swap-its-own-battery/93467/)
10. [UBTech claims world-first mass humanoid delivery (claim-framing)](https://www.humanoidsdaily.com/news/ubtech-claims-world-s-first-mass-delivery-of-humanoids-as-robot-army-deploys)
11. [UBTech Walker S1 at BYD factory (Oct 15, 2024)](https://www.eyeshenzhen.com/content/2024-10/15/content_31272631.htm)
12. [UBTech Walker S1 robots deployed at Zeekr factory (2025)](https://www.humanoidsdaily.com/news/ubtech-humanoids-clock-in-walker-s1-robots-deployed-at-zeekr-factory-for-collaborative-tasks)
13. [UBTech Walker S1 begins factory work at BYD (2024)](https://interestingengineering.com/innovation/ubtechs-walker-s1-begins-factory-work-at-byd)
14. [UBTech humanoids share knowledge as they learn across factories (May 8, 2025)](https://www.chinadaily.com.cn/a/202505/08/WS681c1ad6a310a04af22be17d.html)
15. [Humanoid robots (UBTech Walker) clock in for work (Apr 29, 2025)](https://en.people.cn/n3/2025/0429/c90000-20309191.html)
16. [China mass-deploys UBTech Walker humanoids (2025)](https://www.eweek.com/news/china-deploys-humanoid-robots-ubtech-walker/)
17. [UBTech's Tan Min on the humanoid market (WISE2024)](https://eu.36kr.com/en/p/3056243517345924)
18. [Prototyping China — Walker S2 deployed/tested at Foxconn](https://www.prototypingchina.com/2026/01/19/boeings-biggest-competitor-brings-chinas-walker-s2-humanoid-robot-into-its-factories/) · 2026-01-19
19. [UBTECH - humanoid industrial application solutions (Walker S2)](https://www.ubtrobot.com/en/humanoid/solutions)
20. [MERICS — UBTech Walker deployed at FAW-Volkswagen](https://merics.org/en/comment/ubtech-humanoid-robots-future-manufacturing) · 2026-03-04
21. [SCMP — UBTech deploys dozens of Walker robots at Zeekr Ningbo EV factory (multi-task team operations)](https://tech.yahoo.com/transportation/articles/future-made-china-ubtech-robotics-093000541.html) · 2025-01-01

_Canonical: https://deploy.report/models/ubtech-walker-s2_