Unitree A2-W Standard Quadruped Robot Dog

$36,900.00
Allow up to 30 days for delivery.
Please Note: Ships from USA warehouse.
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Introducing this robot, a versatile humanoid engineered to excel in light industrial tasks, service applications, and educational settings.

Product Description

A2-W Standard: Overview & Specifications

Configuration & Mobility

Wheel-leg configuration.

Approximate payload capacity: 20-25 kg.

Unloaded continuous operation: approximately 4–5 hours, range approximately 20 km.

Loaded Operation: With a payload of 25 kg, continuous operation: approximately 2.5–3 hours, range approximately 12.5 km.

Battery & Power Supply

Battery capacity: Single battery: 9,000 mAh (453.6 Wh); Dual batteries: 18,000 mAh (907.2 Wh).

Power supply: Dual-bay dual-battery system.

Charging time: Single-battery charging time approximately 1 hour.

Environmental Tolerance & Mobility Limits

Operating temperature: -20°C to 55°C.

Stair-climbing capability (maximum continuous stair height): no less than 28 cm.

Maximum climbing height (maximum single-step height): no less than 90 cm.

Maximum slope angle: 45°.

Control, Computing, and Sensors

Control and computing power: 8-core high-performance CPU (platform functionality) + Intel Core i7 (user development), i.e., built-in computing power of 2 units.

Sensing sensors: 1 LiDAR; 1 wide-angle camera (expandable to 2 units).

Motors: Features low-inertia high-speed internal rotor permanent magnet synchronous motors, with dual encoders for joints.

Standard Configuration & Interfaces

Connectivity & Peripherals: WiFi 6, Bluetooth 5.2; speaker; microphone; lighting lamp.

External interfaces: RS485 $\times 2$; CAN $\times 2$; Gigabit Ethernet $\times 2$; USB 3.0-Type C (8-core high-performance CPU) $\times 2$; USB 3.0-Type C (Intel Core i7) $\times 2$.

Power output capability: 12V, 24V, BAT.

Development Support, Features & Warranty

Software Development: Supports secondary development at both high and low levels, provides robot models and simulation environments, such as Isaac Sim.

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:

A2-W

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

7 inch Pneumatic Wheels:

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:

4-5 hours continuous walking, approx. 20km

With 25kg Load:

2-3 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 (1x)

Front Camera:

HD Camera (1x)

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) x 2:

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-W Standard Quadruped
  • Remote Control
  • A2 Battery (1x)
Conquer Any Climb

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

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

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

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.

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