Unitree B2: Price, Specs & Simulation Models
Unitree B2 is a quadruped robot (robot dog) made by Unitree Robotics. Industrial quadruped robot with continuous walking payload exceeding 40 kg, standing load capacity of at least 120 kg, and official endurance of 4–6 hours; structured payload uses continuous walking metric, battery_h uses lower bound of official range.
| Spec | Value |
|---|---|
| Category | Quadruped robot (robot dog) |
| Manufacturer | Unitree Robotics |
| Reference price | CNY 400,000 – CNY 680,000 |
| Degrees of freedom | 12 |
| Height | 0.645 m |
| Weight | 60 kg |
| Payload | 40 kg |
| Battery life | 4 h |
| Max speed | 6 m/s |
| IP rating | IP67 |
| Compute | Standard configuration includes Intel Core i5 (platform functions) and Intel Core i7 (user development); optional Intel Core i7 or Orin NX, up to 3 units |
| Sensors | 3D LiDAR ×1, Depth camera ×2, Optical camera ×2 |
| Applications | Inspection & Security |
How much does the Unitree B2 cost?
The publicly listed reference price of the Unitree B2 is CNY 400,000 – CNY 680,000. Reference price for Unitree B2 industrial quadruped based on domestic public tenders and industry-standard configurations: 400,000–680,000 CNY (overseas store listing: $100,000).
Prices in Chinese yuan (CNY) are China list prices; overseas pricing, configurations and taxes differ.
Rental is quoted at around CNY 2,500 – CNY 5,000 per day.
Overview
Unitree B2 supports switching between legged and wheeled locomotion modes.
The robot operates at speeds >6 m/s, crosses ditches 0.5–1.2 m wide, achieves a maximum horizontal jump distance >approx. 1.6 m, and has an IP67 protection rating. Standing dimensions are approx. 1098 mm × 450 mm × 645 mm; prone dimensions are approx. 880 mm × 460 mm × 330 mm. Total system weight is approx. 60 kg (complete robot body). Walking payload exceeds 40 kg, supporting continuous stair climbing with step heights of 20–25 cm. Battery capacity is 45 Ah (2250 Wh) at 58 V. Sensors include 3D LiDAR ×1, depth camera ×2, and optical camera ×2.
External interfaces include 1000BASE-T Ethernet ×4, USB 3.0 ×4, 12 V ×4, 5 V ×1, 24 V ×4, and BAT ×1. Designed for power line inspection and emergency rescue operations in environments including long staircases, rubble, and steep slopes.
Unitree B2 URDF & simulation models
- URDF: github.com
- MJCF (MuJoCo): github.com
- Repository: github.com
- Simulators: MuJoCo, ROS 2
Similar quadruped robots (robot dogs)
| Robot | Manufacturer | Price | DoF |
|---|---|---|---|
| Unitree A2 | Unitree Robotics | CNY 400,000 – CNY 680,000 | 12 |
| Unitree B2-W | Unitree Robotics | CNY 450,000 – CNY 700,000 | — |
| Genisom SP1 | GENISOM AI Robotics | CNY 298,000 – CNY 450,000 | — |
| DEEP Robotics X20 | DEEP Robotics | CNY 228,200 – CNY 287,500 | — |
| DEEP Robotics X30 | DEEP Robotics | CNY 228,200 – CNY 287,500 | — |
| Genisom M1 Ultra | GENISOM AI Robotics | CNY 198,000 – CNY 288,000 | 12 |
Sources
- unitree.com/b2 (accessed 2026-10-12)
- support.unitree.com/home/en/B2_developer (accessed 2026-10-12)
- shop.unitree.com/products/unitree-b2 (accessed 2026-10-14)
- unitree_mujoco B2 (accessed 2026-10-14)
Last updated 2026-10-14. Specs are compiled from manufacturer pages and the sources above. · All robot prices · 中文版