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Unitree A2

Unitree A2

The Unitree A2 is a high-performance quadruped robot designed for advanced mobility and autonomy. With a peak joint torque of 360 N·m, a top speed of 2.5 m/s, and up to 4 hours of battery life, it delivers powerful and stable motion in complex environments. Equipped with NVIDIA Jetson Orin and a 3D LiDAR system, the A2 supports real-time SLAM, obstacle avoidance, and autonomous navigation, making it ideal for research, inspection, and industrial applications.

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Unitree A2

HIGHLIGHTS

Unitree A2
Tracking Module
Perception Sensors
Rich External Interfaces
Front Camera
Rich Expansion Options
Front Light

PRODUCT SPECIFICATION

Specification
A2
A2-PRO
Size (Standing)
820mm x 440mm x 570mm
820mm x 440mm x 570mm
Size (Lying Prone)
720mm x 550mm x 220mm
720mm x 550mm x 220mm
Material
Aluminum Alloy + High-Strength Engineering Plastic
Aluminum Alloy + High-Strength Engineering Plastic
Weight (without battery)
About 31kg
About 31kg
Weight (with battery)
About 37kg
About 37kg
Degrees of Freedom (Joint Motors)
12
12
Joint Bearings
Industrial-grade crossed roller bearings (high precision, high load capacity)
Industrial-grade crossed roller bearings (high precision, high load capacity)
Joint Motors
Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)
Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)
Max Joint Torque
About 180 N.m
About 180 N.m
Range of Motion
body：-58~58°
thigh：-134°~180°/-89°~225°
shank：-158°~-30°
body：-58~58°
thigh：-134°~180°/-89°~225°
shank：-158°~-30°
Supply Voltage
50.4V
50.4V
Joint Encoder
Dual encoders
Dual encoders
Cooling System
Local air Cooling
Local air Cooling
Power Supply
Dual slots, dual batteries
Dual slots, dual batteries
Battery Capacity
Single Battery 9000mAh（453.6Wh）

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

Dual Batteries 18000mAh（907.2Wh）
Wi-Fi 6, Bluetooth 5.2
YES
YES
Speaker
YES
YES
Microphone
Microphone array
Microphone array
Front Light
YES
YES
Wireless vector follow module
/ （Optional）
Expand (Optional）
GPS
/ （Optional）
Expand (Optional）
4G
/ （Optional）
Expand (Optional）
Sensor
LiDAR × 1 + HD Camera × 1
LiDAR × 2 + HD Camera × 1

Control & Compute
Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development)

Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development)

Optional: high computing power expansion dock
External Interfaces
RS485 x 2
CAN x 2
Gigabit Ethernet x 2
USB3.0-TypeC(8-Core CPU) x 2
USB3.0-TypeC (Intel Core i7)x2

Power Output：12V / 24V / BAT
RS485 x 2
CAN x 2
Gigabit Ethernet x 2
USB3.0-TypeC(8-Core CPU) x 2
USB3.0-TypeC (Intel Core i7)x2

Power Output：12V / 24V / BAT
Operating Temperature
-20℃～55℃
-20℃～55℃
Battery Life
No Load：
>5hours continuous walking, approx. 20km

With 25kg Load：
>3 hours continuous walking, approx. 12.5km
No Load：
>5hours continuous walking, approx. 20km

With 25kg Load：
>3 hours continuous walking, approx. 12.5km
Max Standing Load
About 100kg
About 100kg
Continuous Walking Load
About 25kg
About 25kg
Slope Walking Capability
About 45°
About 45°
Stair Climbing Capability
Max Step Height: 30cm
Max Step Height: 30cm
Max Climb Height
About 0.5～1m
About 0.5～1m
Speed
0–3.7 m/s (Up to ~5 m/s)
0–3.7 m/s (Up to ~5 m/s)
Replace Wheel-leg
Optional
Optional
Ingress Protection Rating
IP56
IP56–IP67 (Core components rated IP67)

Smart OTA Upgrade
Continuous Upgrades
Continuous Upgrades
Secondary Development
Supported
Supported
Warranty
12 Months
12 Months

[1] For detailed functions, please refer to the Secondary Development Manual.

[2] For detailed warranty terms, please refer to the Product Warranty Manual.

[3] The above parameters may vary in different application scenarios and different configurations, please contact sales before purchasing.

[4] This quadruped robot has a complex structure and powerful dynamics. Users must keep a safe distance from the robot at all times. Please use with caution.

[5] Product appearance may be subject to future upgrades and changes, please refer to the actual situation.

[6] Some example features shown on this page are under development and testing, and will be made available to users gradually.

[7] This product is a civilian robot. We kindly request that all users refrain from making any dangerous modifications or using the robot in a hazardous manner.

[8] Please visit Unitree Robotics Website for more related terms and policies, and comply with local laws and regulations.

More about Unitree A2

balance

Impressive Load Capacity

Designed for real-world utility, the A2 supports a continuous walking load of 25 kg and a standing load of up to 100 kg. Whether carrying tools, sensors, or payloads, it maintains stability and performance under pressure.
a blue bike on a black background

Extreme Mobility in Challenging Terrain

The Unitree A2 is built to conquer complex environments with ease. It can step up to 30 cm high and climb slopes of up to 45°, making it an ideal solution for applications like emergency rescue, industrial inspection, or outdoor navigation over rough terrain.
a blue lightning bolt on a black background

Powerful Computing for Smart Operations

Equipped with a high-performance 8-core CPU and Intel Core i7, the A2 is ready for advanced user development. For more demanding tasks, an optional high-computing power expansion dock is available—ideal for real-time AI processing and complex decision-making.

WHAT OUR CUSTOMERS THINK

WeBot omdömen

“With the help of Webots, we have streamlined the operations of our restaurants. Turnover per table has increased, and our staff has gained a tireless colleague who never complains. Our guests really appreciate our robots, which contribute to a unique and memorable experience.”

Nico Schaak

Head of Restaurant Operations,
Liseberg

WeBot recensioner
“We at SSP have specific requirements as we operate in airports and train stations. WeBot’s support in implementation, security and strategy has been of great benefit. The robots attract more guests, improve the guest experience and increase upsells.”

Niklas Ågerup

Head of Digital Nordics & Continental Europe,
SSP

always included in the rental

Fri och snabb leverans

Free and fast delivery

Fri installation av kunniga tekniker

24/7 Support

Free staff training

4 års garanti (Serverings- och diskrobotar)

4 year warranty

Bästa robotarna

Best robots

Senaste teknologin

Latest technology

Contact Us

Do you have questions or want to know more about WeBot Robotic solutions? We’re here to help! Whether you’re interested in our products, need support, or want to discuss a customized solution for your business, we look forward to hearing from you. Fill out the form below or contact us directly and we’ll get back to you as soon as possible. We’re here to make your business more efficient and future-proof.

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Advanced Mobility for Challenging Environments

The Unitree A2 is engineered for performance in dynamic and complex terrain. With powerful joint torque—up to 360 N·m—and a top speed of 2.5 m/s, this quadruped robot can navigate stairs, slopes, and uneven surfaces with stability and precision. Ideal for tasks like inspection, search & rescue, research, and industrial automation where reliable mobility is critical.

Intelligent Perception & Obstacle Avoidance

Equipped with a high-performance NVIDIA Jetson Orin and a full 3D LiDAR system, the A2 offers real-time mapping, obstacle detection, and intelligent motion planning. The robot supports both SLAM and autonomous navigation, enabling it to operate effectively even in unknown or GPS-denied environments. Its multi-sensor fusion ensures safe and adaptive movement.

Modular & Developer-Friendly Platform

Designed with developers in mind, the A2 features open SDKs and multiple interface options, including Ethernet, UART, GPIO, and CAN. You can easily integrate third-party sensors, cameras, or custom AI models to tailor the robot to your specific use case. Whether you’re in academia, research, or industry, the A2 offers flexibility and power in one robust package.