The A2 Standard is Unitree’s next-generation quadruped robot, engineered for demanding industrial environments and research-grade performance. Combining extreme mobility, durability, and computational capability, the A2 delivers stable locomotion, advanced sensing, and real-time data processing for diverse field applications.
Built with an 8-core high-performance CPU and optional Intel Core i7 processor for user-level development, the A2 Standard supports both high- and low-level programming. Equipped with advanced sensors, a dual-battery system, and high-torque joint actuators, it provides unmatched versatility for inspection, mapping, logistics, and autonomous operations.
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
Performance
May Standing Load:
~100kg
Continuous Walking Load:
~25kg
Speed:
0–3.7 m/s (Up to ~5 m/s)
Max Climb Height:
0.5～1m
Max Step Height:
30 cm
Max Slope:
45°
Operating Temperature:
-20℃～55℃
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
Features
OTA Upgrade System: SupportedRTT 2.0 Picture Transmission: SupportedIngress Protection Rating: IP56Replace Wheel-leg: OptionalWarranty: 12 MonthsCooling System: Local air Cooling
