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Unitree B2 is an industrial-grade quadruped robot in the B2 series. Official sources describe it as a full-scene, all-around robot with capabilities for load carrying, endurance, terrain adaptation, stair climbing, obstacle crossing, and high-speed running. It supports optional wheeled-foot configuration and optional autonomous charging solutions. The Unitree B2 is designed for demanding use cases such as power inspection, emergency rescue, and industrial inspection.
| Spec | Value |
| Dimensions — Size, standing | ≈1098 mm × 450 mm × 645 mm |
| Dimensions — Size, lying prone | ≈880 mm × 460 mm × 330 mm |
| Physical — Weight | ≈60 kg total weight, battery included |
| Battery — Battery capacity | 45 Ah / 2250 Wh |
| Battery — Battery voltage | 58 V |
| Battery — Battery life | 4-6 h |
| Endurance — Walking without load | >5 h, mileage >20 km |
| Endurance — Walking with 20 kg load | >4 h, mileage >15 km |
| Load — Standing load | 120 kg standing load; official product page states ≥120 kg and brochure states Max. 120 kg |
| Load — Walking load | >40 kg |
| Mobility — Running speed | >6 m/s [implemented in special configuration; speed limits are set for safety] |
| Mobility — Maximum joint torque | About 360 N.m |
| Mobility — Longest / maximum jump distance | >1.6 m |
| Mobility — Ditch jumping width | 0.5-1.2 m |
| Mobility — Obstacle crossing | Max 40 cm |
| Mobility — Single obstacle crossing | Climb up and down stairs of 40 cm in forward direction |
| Mobility — Continuous stair climbing | Stairs of 20-25 cm |
| Mobility — Climbing angle | >45° |
| Configuration — Wheeled foot | Optional |
| Environment — Operating temperature | -20℃ to 55℃ |
| Protection — Ingress protection | IP67 |
| Control and Perception — Standard configuration | Intel Core i5 for platform function; Intel Core i7 for user development |
| Control and Perception — Optional configuration | Intel Core i7 and Jetson Orin NX, maximum up to 3 devices |
| Sensors — Sensing sensors | 3D LiDAR ×1, depth camera ×2, optical camera ×2; varies with different configurations |
| Interfaces — External interfaces | 1000M-Base-Ethernet ×4, USB3.0 ×4, 12V ×4, 5V ×1, 24V ×4, BAT ×1 |