Unitree A2
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Industrial quadruped, “Stellar Explorer” platform
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~37 kg with batteries (31 kg without)
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Dual hot-swappable batteries: 9,000 mAh each (18,000 mAh total)
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Endurance: ~5 h / ~20 km no-load; ~3 h / ~12.5 km with 25 kg load
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Load: ~100 kg max standing; ~25 kg continuous walking
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Speed: 0–3.7 m/s (up to ~5 m/s)
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Sensing: dual LiDAR (front & rear) + HD camera + front light
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IP rating: IP56 overall (core components up to IP67)
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Terrain: ~45° slope, 30 cm step, 0.5–1 m climb
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Compute & I/O: 8-core CPU + Intel Core i7 (dev), Wi-Fi 6/BT 5.2, RS485×2, CAN×2, GbE×2, USB-C×4, 12V/24V/BAT power out
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Options: wheel-leg kit, GPS/4G, vector-follow module
- Trusted dealerDirect manufacturer partnership
- Pan-India deliveryInsured shipping, all states
- Post-sale supportTraining + service included
What makes it work
The Unitree A2 brings next-gen legged mobility to real-world tasks. Built on high-torque actuators and precise, real-time control, A2 confidently traverses stairs, gravel, and uneven ground while keeping its balance. Its perception stack supports multi-sensor fusion for mapping and obstacle avoidance, and you can deploy it in minutes via teleoperation or build full autonomy with the ROS/ROS 2-compatible SDK. With payload mounting points and power/data interfaces, A2 is a flexible platform for inspection, patrol, research, demos, and field robotics.
Built to Dominate Rugged Terrain
Dual-Sided Perception for Zero Blind Spots
Experience greater accuracy with complete environmental awareness. Two industrial-grade LiDAR sensors positioned at the front and rear work together with an HD camera and integrated front light to continuously scan and detect what lies ahead. This advanced sensing system minimizes blind spots, improves obstacle detection, and delivers precise, real-time perception for safer and smarter navigation.
Wheel Leg Option Available
Dual Battery System for Uninterrupted Performance
Hot-swappable dual batteries deliver virtually unlimited runtime, allowing seamless battery replacement without pausing operations. The parallel battery design maximizes endurance, making it ideal for demanding and extreme missions. Backed by a reliable triple power system, it maintains stable performance across a wide temperature range from –20°C to 55°C, ensuring consistent power in any environment.
High Power. Intelligent Control. Built for Every Scenario.
Engineered with high-performance power and smart control systems, this solution adapts seamlessly across multiple applications—from logistics and industrial inspection to emergency rescue operations. It confidently navigates extreme, complex environments, delivering reliable performance, precise control, and operational efficiency when it matters most.
Unitree A2
Next-Gen Legged Mobility for Real-World Field Operations
Full Specifications
| Specification | Details |
|---|---|
| Size (Standing) | 820 × 440 × 570 mm |
| Size (Lying) | 720 × 550 × 220 mm |
| Material | Aluminum alloy frame + high-strength engineering plastic |
| Weight (No Battery) | Approx. 31kg |
| Weight (With Battery) | Approx. 37kg |
| Degrees of Freedom | 12 motors |
| Joint Bearings | Industrial crossed-roller |
| Joint Motors | Low-inertia, high-speed inner-rotor PMSM |
| Max Joint Torque | Approx. 180 N·m |
| Range of Motion | Body -58° to 58°; Thigh -134° to 180° / -89° to 225°; Shank -158° to -30° |
| Specification | Details |
|---|---|
| Supply Voltage | 50.4V |
| Encoders | Dual encoders |
| Cooling | Local air cooling |
| Battery Slots | Dual, hot-swappable |
| Battery Capacity | Single: 9,000mAh (453.6Wh); Dual: 18,000mAh (907.2Wh) |
| Wireless | Wi-Fi 6, Bluetooth 5.2 |
| Audio | Speaker and microphone array |
| Lights | Front light |
| Power Outputs | 12V / 24V / BAT |
| Specification | Details |
|---|---|
| Interfaces | RS485 ×2, CAN ×2, GbE ×2, USB-C (CPU) ×2, USB-C (i7) ×2 |
| Onboard Compute | 8-core high-performance CPU (platform management) + Intel Core i7 (user development) |
| Optional Accessory | High-compute dock |
| Specification | Details |
|---|---|
| A2 (Standard) | 1× LiDAR, 1× HD camera, front light |
| A2-PRO | 2× LiDAR (front & rear), 1× HD camera, front light |
| Shared Perception Stack | Multi-sensor fusion for mapping and obstacle avoidance |
| Specification | Details |
|---|---|
| Operating Temperature | -20°C to 55°C |
| Endurance (No Load) | >5 hours (~20km range) |
| Endurance (25kg Load) | >3 hours (~12.5km range) |
| Max Standing Load | Approx. 100kg |
| Continuous Walking Load | Approx. 25kg |
| Slope Capability | Approx. 45° |
| Max Step Height | 30cm |
| Max Climb Height | Approx. 0.5–1m |
| Speed Range | 0–3.7 m/s (up to approx. 5 m/s) |
| Ingress Protection | IP56 overall (A2-PRO core components up to IP67) |
| Specification | Details |
|---|---|
| Deployment | Teleoperation (minute-level) or full autonomy via ROS/ROS 2-compatible SDK |
| Updates | Smart OTA; secondary development supported |
| Optional Modules | Wheel-leg kit, GPS module, 4G connectivity, vector-follow module, high-compute dock |
Legged Mobility Built for Real-World Tasks
Confident Movement Across Any Terrain
The Unitree A2 brings next-gen legged mobility to real-world tasks. Built on high-torque actuators and precise, real-time control, A2 confidently traverses stairs, gravel, and uneven ground while keeping its balance. Its perception stack supports multi-sensor fusion for mapping and obstacle avoidance, and you can deploy it in minutes via teleoperation or build full autonomy with the ROS/ROS 2-compatible SDK.
With payload mounting points and power/data interfaces, A2 is a flexible platform for inspection, patrol, research, demos, and field robotics — carrying up to 25kg continuously while walking, or standing under loads of up to 100kg. Hot-swappable dual batteries mean a depleted pack can be replaced without powering down, keeping missions running rather than pausing for a full recharge.
High-Torque, Precision Actuation
12 motors across industrial crossed-roller bearings deliver approximately 180 N·m of max joint torque, giving A2 the strength and control to hold balance on gravel, stairs, and uneven ground.
Hot-Swappable Dual Batteries
Two independent battery slots let you swap a depleted pack for a fresh one without shutting down, extending effective mission time well beyond a single charge.
Multi-Sensor Perception
LiDAR and HD camera fusion (dual LiDAR on A2-PRO) supports real-time mapping and obstacle avoidance for both teleoperated and autonomous missions.
ROS / ROS 2-Ready SDK
Payload mounts, power/data interfaces, and a full SDK make A2 a genuine development platform, not just a fixed-function robot.
A2 vs. A2-PRO
Both variants share identical mechanical, electrical, and performance specifications. The difference is entirely in sensing: the standard A2 carries a single LiDAR and HD camera, while the A2-PRO adds a second rear-facing LiDAR (with core components rated up to IP67) for more complete situational awareness in demanding inspection, security, and autonomous-navigation deployments.
See Every Detail
Field-Ready Payload Deployment
A2 carries real cargo across real terrain — here hauling a duffel-bag payload up a forest slope alongside its handler. Payload mounting points and power/data interfaces make it straightforward to attach mission-specific equipment.
Proven 100kg Standing Load
Rated to support approximately 100kg while standing, A2's frame and actuators are built for genuine industrial duty, not just demonstration payloads.
Optional Wheel-Leg Kit
Swap standard feet for the optional wheel-leg kit to move faster and more efficiently across smooth, open terrain, while retaining the ability to step over obstacles when needed.
Teleoperation or Full Autonomy
A2 works as a remote-controlled platform out of the box, or as a foundation for fully autonomous missions.
Minute-Level
Deployment
Get A2 moving and gathering data almost immediately, with direct remote control suited to inspection walk-throughs, demos, and rapid field deployment without any custom development.
ROS / ROS 2
SDK Development
Build custom navigation, inspection, and mapping behaviors on top of the onboard 8-core CPU and Intel Core i7 development compute, using multi-sensor fusion for real-time obstacle avoidance.
Every Tool for Field Robotics
Built for inspection, patrol, research, and demanding field deployments where terrain and endurance both matter.
High-Torque Legged Locomotion
12 motors and industrial crossed-roller bearings deliver approximately 180 N·m of torque for confident movement over stairs, gravel, and uneven ground.
Hot-Swappable Dual Batteries
Replace a depleted battery without powering down, keeping missions running rather than pausing for a full recharge cycle.
Multi-Sensor Fusion
LiDAR and HD camera data combine for real-time mapping and obstacle avoidance, with dual front/rear LiDAR available on A2-PRO.
100kg Standing, 25kg Walking
Mounting points and power/data interfaces support real mission payloads, not just token demonstration weight.
ROS / ROS 2-Compatible SDK
Build genuine autonomy on top of an 8-core platform CPU and Intel Core i7 development compute.
45° Slopes, 30cm Steps
Climbs obstacles up to roughly 0.5–1m and handles stairs and slopes that would stop wheeled platforms entirely.
Up to 5 Hours, ~20km Range
Unloaded endurance covers extended patrols; even under a 25kg load, A2 still manages over 3 hours and 12.5km.
IP56 Rated, -20°C to 55°C
Built to keep working in dust, rain, and temperature extremes that would sideline consumer-grade robotics.
Wheel-Leg Kit & Optional Modules
Add a wheel-leg kit, GPS, 4G connectivity, or a vector-follow module to adapt A2 to a specific mission profile.
Built for Inspection, Patrol & Field Robotics
A2 is a development-ready platform for teams building real autonomous or teleoperated field applications.
Industrial Inspection
Navigate plant floors, pipe racks, and uneven industrial terrain that wheeled robots and drones struggle with.
Security & Patrol
Multi-sensor perception and long endurance suit repeated patrol routes across mixed indoor/outdoor terrain.
Research & Education
A full ROS/ROS 2 SDK and onboard development compute make A2 a genuine platform for robotics research.
Logistics Support
Carry real payloads across terrain unsuitable for wheeled carts, from job sites to disaster response zones.
Field & Outdoor Robotics
Slopes, stairs, gravel, and rough ground are within its stated capabilities, not edge cases to work around.
Demos & Public Engagement
Minute-level teleoperated deployment makes A2 practical for live demonstrations without custom setup.
See the Unitree A2 in Action
Real footage from Unitree, showing the A2 navigating rugged terrain, carrying payloads, swapping batteries, and running on its optional wheel-leg kit.
Frequently Asked Questions
What's the difference between A2 and A2-PRO?
How does the hot-swappable battery system actually work?
Can A2 operate fully autonomously, or does it need a human operator?
What's the real-world difference between the 100kg and 25kg load figures?
What optional modules are available?
The full sheet
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