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Unitree B2-W

Unitree B2-W

Go Further with Higher Efficiency, Pioneer Technology Leading the Intelligent Future

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Key Features

Highly Dynamic Motion
Self-developed high-performance joints that fully utilize the superior movement capabilities of complex structures.

Traveling on stairs, slopes, and barricades
Combines perceptual and motor control to maintain balance and cope with a variety of different discrete terrains.

Crossing grass, stone and gravel paths
Stabilizes walking on rough surfaces through the rapid and synergistic response of multiple leg joints.

Superior Endurance and High Efficiency

Maximum Speed: 15 km/h

Maximum endurance with 40kg load: 25 km

Maximum wheel torque: 40 N.m

Maximum wheel speed: 50 rad/s

Unitree B2-W

Parameter Unitree-B2-W
Size (Standing)
≈ 1098 mm × 550 mm × 758 mm
Size (Lying Prone)
≈ 950 mm × 550 mm × 450 mm
Weight
≈ 85 kg total (battery included)
Battery Capacity
> 2 kWh, 58 V
Maximum Speed [1]
15 km/h [1]
Endurance with Load [2]
Max 25 km with 40 kg load [2]
Endurance without Load
≈ 30 km
Maximum Load (Standing)
120 kg
Load (Walking)
> 40 kg
Wheel Diameter
225 mm
Maximum Wheel Speed
50 rad/s
Maximum Wheel Torque
40 N·m
Continuous Stair Climbing
Stairs of 20–25 cm
Climbing Ability
Climb stairs of 40 cm in forward direction
Operating Temperature
-20°C to 55°C
Climbing Angle
> 45°
Ingress Protection
IP67
Control and Perception (Standard)
Intel Core i5 (Platform Function), Intel Core i7 (User Development)
Control and Perception (Optional)
Intel Core i7 and Jetson Orin NX (up to 3 devices)