# UBTECH Walker S2 — specifications

Source: RankedRobot (https://rankedrobot.com/robots/ubtech-walker-s2/) · Category: Humanoid robots · Maker: UBTECH Robotics
Licence: CC BY 4.0 — cite as "RankedRobot, https://rankedrobot.com/robots/ubtech-walker-s2/ (checked 2026-10-20)".

## Summary

UBTECH Walker S2 is a humanoid robot made by UBTECH Robotics (China). Status: Shipping. Key published specifications: height 1.76 m (5 ft 9 in); weight 70 kg (154 lb); DOF 52. Price: €242,000, EU (RobotShop, retailer) (reported price). RankedRobot rank: =11 of 29 humanoid robots (tied) (score 49.4/100, evidence grade C). Last checked by RankedRobot on 2026-10-20.

Disclosure: 17 sourced values, 12 not disclosed by the maker (59% disclosed). "Not disclosed" means the maker has not published it; RankedRobot never guesses missing figures (an "Estimate" is only our calculation from official figures, with the method shown).

## Prices

- €242,000, EU (RobotShop, retailer) — reported price — source: https://eu.robotshop.com/products/ubtech-walker-s2-industrial-humanoid-robot (checked 2026-10-12)

## Launch

- Announced: 2025-11-17 — Manufacturer — source: https://www.prnewswire.com/news-releases/ubtech-humanoid-robot-walker-s2-begins-mass-production-and-delivery-with-orders-exceeding-800-million-yuan-302616924.html (checked 2026-09-23)
- Status: Shipping — Manufacturer — source: https://www.prnewswire.com/news-releases/ubtech-humanoid-robot-walker-s2-begins-mass-production-and-delivery-with-orders-exceeding-800-million-yuan-302616924.html (checked 2026-10-12)
- Units deployed: Not disclosed by the maker; conditions: no Walker S2-specific delivered/deployed count found — checked: https://www.ithome.com/0/908/238.htm (checked 2026-10-03)

## Body

- Height: 1.76 m (5 ft 9 in) — Reported — source: https://www.ithome.com/0/870/239.htm (checked 2026-10-09)
- Weight: 70 kg (154 lb) — Reported — source: https://funduinoshop.com/media/pdf/ce/e7/5a/UBTECH_Industrial_Humanoid_Robot_Walker_S2_Introduction_631b03ee-d4da-4c4f-8acd-90a1335a2f76.pdf (checked 2026-10-09)
- Form factor: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)
- IP rating: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)

## Mobility

- Max walking speed: 2 m/s (7.2 km/h · 4.5 mph) — Reported; conditions: walking; sustained vs peak not stated — source: https://www.21jingji.com/article/20250723/herald/2e03b3c79c0955c4ae38037f7ce3c21d.html (checked 2026-10-01)

## Dexterity

- Total degrees of freedom: 52 — Reported — source: https://www.ithome.com/0/870/239.htm (checked 2026-09-29)
- DOF per hand: 11 — Reported; conditions: not stated whether wrist DoF are included — source: https://www.21jingji.com/article/20250723/herald/2e03b3c79c0955c4ae38037f7ce3c21d.html (checked 2026-10-01)

## Payload

- Carry payload: 15 kg (33 lb) — Manufacturer; conditions: within a 0-1.8 m vertical workspace, per official product page — source: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-10-12)
- Per-arm payload: 7.5 kg (17 lb) — Reported; conditions: single-hand grasp; pose not stated — source: https://funduinoshop.com/media/pdf/ce/e7/5a/UBTECH_Industrial_Humanoid_Robot_Walker_S2_Introduction_631b03ee-d4da-4c4f-8acd-90a1335a2f76.pdf (checked 2026-10-09)

## Compute & AI

- Processor: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-10-09)
- AI performance: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)
- Teleoperation: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)

## Sensors

- Cameras: Self-developed passive binocular (dual-camera) stereo RGB vision system with deep-learning stereo depth estimation — Manufacturer — source: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)
- Microphones: Four array microphones — Reported — source: https://funduinoshop.com/media/pdf/ce/e7/5a/UBTECH_Industrial_Humanoid_Robot_Walker_S2_Introduction_631b03ee-d4da-4c4f-8acd-90a1335a2f76.pdf (checked 2026-10-09)

## Power

- Battery: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)
- Runtime: Not disclosed by the maker; conditions: not stated — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-10-09)
- Charge time: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)
- Hot-swappable battery: Yes — Manufacturer — source: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-10-01)

## Software

- SDK: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-10-09)

## Safety

- Certifications: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)

## Commercial

- Regions sold: Not disclosed by the maker — checked: https://www.ubtrobot.com/en/humanoid/products/walker-s2 (checked 2026-09-23)

## Confidence labels

Manufacturer = stated by the maker · Verified = independently confirmed · Estimate = our calculation from official figures · Reported = credible media/retailer, not confirmed by the maker · Unconfirmed = leak, rumour or single source · Not disclosed = not published.