# Unitree B1 — specifications

Source: RankedRobot (https://rankedrobot.com/robots/unitree-b1/) · Category: Quadruped robots (robot dogs) · Maker: Unitree Robotics
Licence: CC BY 4.0 — cite as "RankedRobot, https://rankedrobot.com/robots/unitree-b1/ (checked 2026-10-04)".

## Summary

Unitree B1 is a quadruped robot (robot dog) made by Unitree Robotics (China). Its availability status has not been disclosed. Key published specifications: weight 50 kg (110 lb); payload 20 kg (44 lb); runtime 2 h. Price: US$100,000 (Standard), US/global store (official price). Last checked by RankedRobot on 2026-10-04.

Disclosure: 17 sourced values, 9 not disclosed by the maker (65% 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

- US$100,000 (Standard), US/global store — official price — source: https://shop.unitree.com/products/unitree-b1 (checked 2026-10-04)

## Launch

- Announced: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)
- Status: Not disclosed by the maker — checked: https://shop.unitree.com/products/unitree-b1 (checked 2026-10-04)

## Body

- Dimensions: Length 1,126 mm × Width 467 mm × Height 636 mm — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- Weight: 50 kg (110 lb) — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- Form factor: Quadruped — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- IP rating: IP68 — Manufacturer — source: https://www.unitree.com/cn/b1 (checked 2026-10-04)

## Mobility

- Max speed: Not disclosed by the maker; conditions: not stated — checked: https://www.unitree.com/b1 (checked 2026-10-04)
- Stairs: Maximum step height 20cm — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)

## Joints & payload

- Degrees of freedom: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)
- Payload: 20 kg (44 lb) — Manufacturer; conditions: continuous walking load — source: https://www.unitree.com/b1 (checked 2026-10-04)

## Compute & AI

- Processor: Intel i5-1135G7 (main); XavierNX x3 (sensing platform) — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- AI performance: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)
- Teleoperation: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)

## Sensors

- Cameras: Intel RealSense D430 x5 depth cameras — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- LiDAR: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)

## Power

- Battery: 932.4 Wh — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- Runtime: 2 h — Manufacturer; conditions: continuous walking without load; standing endurance 5h — source: https://www.unitree.com/b1 (checked 2026-10-04)
- Charge time: 60 min–2 h — Manufacturer — source: https://www.unitree.com/b1 (checked 2026-10-04)
- Hot-swappable battery: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)

## Software

- SDK: unitree_legged_sdk release v3.3.1 and earlier (B1 not supported by current version) — Manufacturer — source: https://github.com/unitreerobotics/unitree_legged_sdk (checked 2026-10-04)

## Commercial

- Regions sold: Not disclosed by the maker — checked: https://www.unitree.com/b1 (checked 2026-10-04)

## 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.