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America's Most Experienced Partner for Unitree Robotics

Unitree A2

Agile, rugged, high-endurance robot

  • Lightweight yet powerful just 37kg fully loaded with up to 25kg payload capacity

  • Endurance optimized walk up to 20km unloaded or 12.5km loaded

  • Dual sided perception two industrial LiDARs, HD camera, and front light for zero blind spots

  • Hot swappable dual batteries unlimited runtime with seamless power swaps

  • Extreme terrain ready conquers 45° slopes, stairs, and rugged outdoor environments

  • Industry ready platform supports logistics, inspection, rescue, and rapid custom development

Unitree A2

  • The Unitree A2 is a medium sized, industrial-grade legged robot designed for demanding missions that require agility, strength, and endurance. With a robust build and intelligent perception systems, it delivers dependable performance in logistics, inspection, emergency rescue, and other challenging scenarios.


    Mechanical Design

    • Dimensions (Standing): 820mm × 440mm × 570mm

    • Dimensions (Lying Prone): 720mm × 550mm × 220mm

    • Material: Aluminum alloy + high strength engineering plastic

    • Weight: 31kg without battery, 37kg with battery

    • Degrees of Freedom: 12 (industrial grade crossed roller bearings for high precision and load)

    • Joint Motors: Low inertia, high speed inner rotor PMSM with enhanced response and heat dissipation

    • Max Joint Torque: ~180 N·m

    • Range of Motion:

      • Body: -58° to 58°

      • Thigh: -134°~180° / -89°~225°

      • Shank: -158° to -30°


    Electrical & Control Systems

    • Power Supply: Dual battery slots (hot swappable), 50.4V

    • Battery Capacity:

      • Single: 9000mAh (453.6Wh)

      • Dual: 18000mAh (907.2Wh)

    • Processing:

      • Standard: 8-core high performance CPU (platform) + Intel Core i7 (user development)

      • Optional: High-computing power expansion dock

    • Connectivity: WiFi 6, Bluetooth 5.2

    • Audio/Visual: Microphone array, speaker, front light

    • Interfaces: RS485 × 2, CAN × 2, Gigabit Ethernet × 2, USB3.0-TypeC × 4, 12V/24V/BAT outputs


    Sensing & Navigation

    • Perception: Dual industrial LiDARs (front & rear), HD camera

    • Navigation: Zero blind spots, high accuracy, rugged terrain adaptation

    • Optional Modules: GPS, 4G, wireless vector follow


    Performance

    • Operating Temperature: -20°C to 55°C

    • Battery Life:

      • No load: >5h, ~20km

      • 25kg load: >3h, ~12.5km

    • Load Capacity:

      • Continuous walking load: ~25kg

      • Max standing load: ~100kg

    • Terrain Capability:

      • Slope: ~45°

      • Max step height: 30cm

      • Climb height: 0.5–1m

    • Speed: 0–3.7 m/s (up to ~5 m/s)

    • Ingress Protection: IP56 (core components up to IP67)


    Applications

    From industrial inspection and heavy duty logistics to search and rescue operations, the Unitree A2 is engineered for extreme reliability, mobility, and adaptability.


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