Unitree A2 Standard Quadruped Robot Dog

The A2 Standard is Unitree’s next-generation quadruped robot, engineered for demanding industrial environments and research-grade performance. Combining extreme mobility, durability, and computational capability, the A2 delivers stable locomotion, advanced sensing, and real-time data processing for diverse field applications.

Built with an 8-core high-performance CPU and optional Intel Core i7 processor for user-level development, the A2 Standard supports both high- and low-level programming. Equipped with advanced sensors, a dual-battery system, and high-torque joint actuators, it provides unmatched versatility for inspection, mapping, logistics, and autonomous operations.

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Key Features of the A2 Standard

Powerful Load Capacity:
Supports an effective load of 25 kg and a maximum load of 100 kg, enabling transport, inspection, and industrial payload applications.

Extended Runtime and Range:
Operates up to 5 hours per charge with a 20 km range on empty load, or 3 hours with a 25 kg payload, covering 12.5 km of continuous operation.

Dual-Battery System:
Includes dual 9000 mAh (907.2 Wh total) batteries with a 1-hour charge time, supporting hot-swap and high-endurance field missions.

Exceptional Mobility:
Reaches speeds up to 3.7 m/s, with a maximum of approximately 5 m/s, and can climb stairs up to 30 cm and slopes of up to 45°.

Advanced Motion Control:
Features wide-angle joint range and high-speed, low-inertia rotor motors with dual encoders per joint, providing responsive, precise motion across all terrains.

Intelligent Perception and Navigation:
Equipped with LiDAR and a wide-angle camera (expandable to 2 units), enabling stable obstacle avoidance, point cloud mapping, and environmental awareness.

High-Level Development Support:
Supports both high- and low-level programming, Isaac SIM integration, and autonomous charging capabilities (optional).

Robust Connectivity:
Wi-Fi 6, Bluetooth 5.2, RS485, CAN, Gigabit Ethernet, and multiple USB-C ports for modular system expansion and communication.

Durable Industrial Design:
Operates between -20°C and 55°C with weather-resistant housing and lighting system for outdoor operation.

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Technical Specifications

Dimensions:
Standing: 820 mm × 440 mm × 570 mm
Folded: 720 mm × 550 mm × 220 mm

Weight:
Approx. 31 kg (without battery)
Approx. 37 kg (with dual batteries)

Payload Capacity:
Effective Load: 25 kg
Maximum Load: 100 kg

Battery:
Single: 9000 mAh (453.6 Wh)
Dual: 18000 mAh (907.2 Wh)

Battery Life:
5 hours (unloaded) / 3 hours (loaded 25 kg)

Charging Time:
Approx. 1 hour per battery

Movement Speed:
0–3.7 m/s (max ~5 m/s)

Climbing Capability:
Continuous stairs: up to 30 cm
Single step: up to 100 cm
Max slope: 45°

Operating Temperature:
-20°C to 55°C

Computing Power:
8-core high-performance CPU + Intel Core i7 (for user development)

Sensors:
1 × LiDAR, 1 × wide-angle camera (expandable to 2)

Connectivity:
Wi-Fi 6
Bluetooth 5.2
RS485 ×2, CAN ×2, Gigabit Ethernet ×2, USB 3.0 Type-C ×2, 12V/24V/BAT outputs

Additional Features:
Lighting lamp, speaker, microphone
Autonomous charging (optional)
OTA upgrade support

Warranty:
1-year limited warranty

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The A2 Standard sets a new benchmark in quadruped robotics—combining industrial-grade hardware, AI-ready computing, and extensive developer support for research, inspection, and automation in real-world environments.