Unitree A2 Robot Dog Combines Speed and Agility
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Unitree A2 Robot Dog Combines Speed and Agility
- The Unitree A2 robot dog can carry up to 100 kg when stationary and 25-30 kg while walking.
- Introduced by Chinese robotics company Unitree Robotics, the A2 Stellar Hunter was unveiled in August 2025.
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The Unitree A2, also known as the Stellar Hunter, is a quadrupedal robot dog developed by Chinese robotics company Unitree Robotics. Unveiled in August 2025, the A2 is designed for industrial applications, research, and autonomous robotics development.
A key feature of the A2 is its hybrid mobility system, which can include optional powered wheels integrated into each limb. This allows the robot to transition between legged walking and wheeled driving, balancing agility with efficiency and speed across various terrains. The A2 can reach speeds of up to 13.3 km/h (approximately 3.7 m/s) on its legs, with the optional wheel attachment increasing its top speed to 18 km/h (approximately 5 m/s).
The robot is built to be robust, capable of carrying a significant payload of up to 100 kg when stationary and 25-30 kg while walking. It can navigate challenging environments, climbing obstacles up to 1 meter high, steps up to 30 cm, and slopes up to 45 degrees.
Equipped with a dual-battery system, the A2 can operate for up to five hours or cover 20 km without a payload, and up to three hours or 12.6 km with a 30 kg load. For navigation and perception, the A2 features front and rear LiDAR modules, an HD front camera with an LED lamp, a microphone array, and a loudspeaker. Its autonomous functions are powered by an 8-core CPU, with an Intel Core i7 processor available for advanced programming. The A2 is available in standard and Pro versions, with the Pro offering enhanced processing capabilities. Deliveries for pre-orders are anticipated in early 2026.