Key Features
Secondary Dev. (S)
Supported
180 N·m
Max Joint Torque
9000/18000mAh
Dual Battery Capacity
3-5 hrs
Battery Life
100 kg
Max Payload (Standing)
37 kg
Weight (with Battery)
~5 m/s
Top Speed
IP56
Ingress Rating
Unitree A2 Standard Quadruped Robot Dog
$31,900.00Introducing this robot, a versatile humanoid engineered to excel in light industrial tasks, service applications, and educational settings.
Product Description
Unitree A2 Standard
Dimensions & Weight
Standing Dimensions: $820\text{mm} \times 440\text{mm} \times 570\text{mm}$.
Folded Dimensions: $720\text{mm} \times 550\text{mm} \times 220\text{mm}$.
Weight: Approximately $31\text{kg}$ (without battery), approximately $37\text{kg}$ (with dual batteries).
Load Capacity & Endurance
Effective Load Capacity: $25\text{kg}$; maximum load capacity: $100\text{kg}$.
Empty Load Sustainable Walking Time: $5\text{ hours}$, range approximately $20\text{km}$.
Loaded Performance: With a payload of $25\text{kg}$, it can operate continuously for $3\text{ hours}$, covering approximately $12.5\text{km}$.
Battery & Power Supply
Battery Capacity: Single battery $9000\text{mAh}$ ($453.6\text{Wh}$); dual batteries $18000\text{mAh}$ ($907.2\text{Wh}$).
Power Supply: Dual-bay dual-battery system.
Single Battery Charging Time: Approximately $1\text{ hour}$.
Environmental Tolerance & Mobility
Operating Temperature: $-20^\circ\text{C}$ to $55^\circ\text{C}$.
Movement Speed: $0–3.7\text{ m/s}$ (maximum approximately $5\text{ m/s}$).
Stair-Climbing Capability: Maximum continuous stair height: $20\text{cm}$.
Maximum Climbing Height: Maximum single step height: $10\text{cm}$.
Maximum Slope Angle: $45^\circ$.
Control, Computing, and Sensors
Control and Computing Power: 8-core high-performance CPU (platform functionality) + Intel Core i7 (user development). Built-in computing power of 2.
Sensing Sensors: 1 LiDAR, 1 wide-angle camera (can expandable to 2).
Joint Movement Space:
Body: $-58^\circ$ to $58^\circ$.
Thigh: $-184^\circ$ to $-89^\circ$ to $225^\circ$.
Leg: $-158^\circ$ to $-30^\circ$.
Motors: Equipped with low inertia high-speed internal rotor permanent magnet synchronous motors, with dual encoders for joints.
Standard Configuration & Interfaces
Connectivity & Peripherals: Wi-Fi 6, Bluetooth 5.2, speaker, microphone, lighting lamp.
External Interfaces: RS485 $\times 2$, CAN $\times 2$, Gigabit Ethernet $\times 2$, USB 2.0-Type C (8-core high-performance CPU). USB 2.0-Type C (Intel Core i7).
Power Output Capability: $12\text{V}$, $24\text{V}$, BAT.
Development Support & Features
Software Development: Supports secondary development at both high and low levels, provides robot models and simulation interfaces, and supports simulation environments such as Isaac Sim.
System Upgrades: Supports intelligent OTA upgrade.
Advanced Features: Stable obstacle avoidance, point cloud surround view, lighting, high-definition image transmission, autonomous charging (optional).
Support & Warranty: Provides expert-level technical support services, comprehensive development manuals, and ecosystem support. One-year warranty on the entire unit.
Buy it with:
100kg
Max. Standing Load
5m/s
Top speed
5hour
Max. Battery Life
A2 Standard
Computing
Main CPU:
Standard:
8-Core high-performance CPU (platform) + Intel Core i7 (user development)
High Computing Power Module:
Not supported:
Secondary Development Support:
Supported:
Hardware
Chassis & Frame:
Dimensions L x W x H (Standing):
820mm x 440mm x 570mm
Dimensions (Crouching):
720mm x 550mm x 220mm
Weight (with Battery):
37 kg
Materials:
Aluminum alloy and high-strength engineering plastic
Front Light:
Included
Battery:
Battery Capacity:
Single Battery 9000mAh (453.6Wh:
Dual Batteries 18000mA (907.2Wh）:
Power Output:
12V / 24V / BAT
Supply Voltage:
50.4V
Battery Life:
No Load:
>5hours continuous walking, approx. 20km
With 25kg Load:
>3 hours continuous walking, approx. 12.5km
Mechanical
Joint Motor:
Max Joint Torque:
180 N·m
Degrees of Freedom:
12
Aluminium Knee Joint Motors:
12 set
Joint Bearings:
Industrial-grade crossed roller bearings (high precision, high load capacity)
Joint Motors:
Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation)
Joint Encoder:
Dual encoders
Rotation Ranges:
Body Rotation:
-58~58°
Thigh Rotation:
134°~180°/-89°~225°
Shank Rotation:
-158°~-30°
Cameras & Sensors
3D LiDAR:
Industrial-grade LiDAR (expandable to 2)
Front Camera:
HD Camera x 1
Audio & Connectivity
Wi-Fi:
Wi-Fi 6
Bluetooth:
Bluetooth 5.2
4G Module:
Optional
GPS:
Optional
Wireless Vector Positioning Tracking Module:
Optional
Microphone:
Microphone array
Built-in Speaker:
Included
Voice Function:
Supported
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:
Features
OTA Upgrade System:
Supported
RTT 2.0 Picture Transmission:
Supported
Ingress Protection Rating:
IP56
Replace Wheel-leg:
Optional
Warranty:
12 Months
Cooling System:
Local air Cooling
What's Included
-
A2 Standard Quadruped
-
Remote Control
-
GO2 Battery (1x)
Key Features
Speak to an expert
Conquer Any Climb
The Unitree A2 Quadruped demonstrates exceptional climbing ability, scaling steep slopes and rugged rock faces with ease. Engineered for 45° gradients and 30 cm stairs, it delivers unmatched stability and precision on challenging terrain.
High-Speed Mobility with Total Control
Watch the A2 maintain balance and traction while running downhill at top speed. Reaching up to 5 m/s, it combines powerful locomotion with intelligent control for agile, all-terrain navigation.
Power Meets Endurance
Built for industrial payloads, the A2 carries up to 25 kg with steady, efficient movement. Its optimized motors and sensors enable long-range transport and inspection over 12 km on a single run.
Extended Power for Continuous Operation
The A2’s dual-battery system delivers 3–5 hours of runtime and rapid 1-hour charging. Hot-swap capability keeps missions running continuously, from field automation to long-form research projects.
How it works
Or speak to an expertPlace Your Order
Order directly through our website or use the form below to connect with a product expert first. Delivery timelines depend on model availability, but we ship as quickly as possible — and we'll keep you updated every step of the way.
Setup & Configuration
Every robot is different. Depending on your selected model and accessories, configuration can be plug-and-play or require a tailored setup. We offer optional demos, consultations, and ongoing support to ensure you're up and running with confidence.
Get up and GO
Once set up, your robot is ready to roll. Preloaded actions make it easy to get started, while manual controls and custom routines let you push the limits of what's possible.