High-efficiency wheel-drive architecture combining payload capacity with agility.
Suited for industrial inspection, park logistics, and emergency rescue and more.

All-new high-quality mobile hardware platform, open architecture, ready to use, rapid development, more efficient deployment.

2 industrial LiDARs (front & rear) , HD camera + front light to detect the environment ahead
「Hot-Swappable Dual Batteries · Unlimited Runtime」: Seamless Battery Swap, Uninterrupted Mission
Dual-battery parallel design: swap without stopping, the eternal heart for extreme missions
Reliable triple power system guarantees from -20°C to 55°C

Model
Price(Tax and Shipping cost excluded)
A2-W
Contact Sales
A2-W PRO
Custom Industry Solutions
Contact Sales
Size (Standing)
900mm x 440mm x 625mm
900mm x 440mm x 625mm
Size (Lying Prone)
930mm x 685mm x 210mm
930mm x 685mm x 210mm
Tyre size
Diameter:190mm;Width:51mm
Diameter:190mm;Width:51mm
Material
Aluminum Alloy + High-Strength Engineering Plastic
Aluminum Alloy + High-Strength Engineering Plastic
Weight (without battery)
About 45kg
About 45kg
Weight (with battery)
About 52kg
About 52kg
Degrees of Freedom (Joint Motors)
16
16
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)
YES (Expanded)
GPS
/ (Optional)
YES (Expanded)
4G
/ (Optional)
YES (Expanded)
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:
>3.5 hours continuous walking, approx. 35km
With 25kg Load:
>1.5 hours continuous walking, approx. 15km
No Load:
>3.5 hours continuous walking, approx. 35km
With 25kg Load:
>1.5 hours continuous walking, approx. 15km
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 m/s (Up to ~ 6 m/s)
0–3 m/s (Up to ~ 6 m/s)
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]
The above data was obtained under laboratory conditions. Actual performance may vary based on usage conditions, so please refer to your actual experience.
[2]
For detailed functions, please refer to the Secondary Development Manual.
[3]
For detailed warranty terms, please refer to the Product Warranty Manual.
[4]
The above parameters may vary in different application scenarios and different configurations, please contact sales before purchasing.
[5]
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.
[6]
The product appearance is subject to change. Please refer to the final product.
[7]
Some example features shown on this page are under development and testing, and will be made available to users gradually.
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.
Please visit Unitree Robotics Website for more related terms and policies, and comply with local laws and regulations.