Unitree A2 Standard Quadruped Robot
- Agile, Lightweight, Enduring
- Lighter, Faster, Tougher
- Industrial-Grade Performance
- Advanced Mobility
- Dual-Sided Perception System
- Dual Hot-Swappable Batteries
| Mechanical Parameters | Size (Standing) | 820mm x 440mm x 570mm | 820mm x 440mm x 570mm |
| Size (Lying Prone) | 720mm x 550mm x 220mm | 720mm x 550mm x 220mm | |
| Material | Aluminum Alloy + High-Strength Engineering Plastic | Aluminum Alloy + High-Strength Engineering Plastic | |
| Weight (without battery) | About 31kg | About 31kg | |
| Weight (with battery) | About 37kg | About 37kg | |
| Degrees of Freedom (Joint Motors) | 12 | 12 | |
| Joint Bearings | Industrial-grade crossed roller bearings (high precision, high load capacity) | Industrial-grade crossed roller bearings (high precision, high load capacity) | |
| Joint Motors | Low-inertia, high-speed inner rotor PMSM (enhanced response & heat dissipation) | Low-inertia, high-speed inner rotor PMSM(enhanced response & heat dissipation) | |
| Max Joint Torque | About 180 N.m | About 180 N.m | |
| Range of Motion | body：-58~58° thigh：-134°~180°/-89°~225° shank：-158°~-30° |
body：-58~58° thigh：-134°~180°/-89°~225° shank：-158°~-30° |
|
| Electrical Characteristics | Supply Voltage | 50.4V | 50.4V |
| Joint Encoder | Dual encoders | Dual encoders | |
| Cooling System | Local air Cooling | Local air Cooling | |
| Power Supply | Dual slots, dual batteries | Dual slots, dual batteries | |
| Battery Capacity | Single Battery 9000mAh（453.6Wh) Dual Batteries 18000mAh（907.2Wh） |
Single Battery 9000mAh（453.6Wh） Dual Batteries 18000mAh（907.2Wh） |
|
| Wi-Fi 6, Bluetooth 5.2 | Yes | Yes | |
| Speaker | Yes | Yes | |
| Microphone | Microphone array | Microphone array | |
| Front Light | Yes | Yes | |
| Wireless vector follow module | / （Optional） | Expand （Optional） | |
| GPS | / （Optional） | Expand （Optional） | |
| 4G | / （Optional） | Expand （Optional） | |
| Sensor | LiDAR × 1 + HD Camera × 1 | LiDAR × 2 + HD Camera × 1 | |
| Control & Compute | Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development) |
Standard: 8-Core high-performance CPU (platform) + Intel Core i7 (user development) Optional: high computing power expansion dock |
|
| 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 Power Output：12V / 24V / BAT |
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 Power Output：12V / 24V / BAT |
|
| Performance Metrics | Operating Temperature | -20℃～55℃ | -20℃～55℃ |
| Battery Life | No Load： >5hours continuous walking, approx. 20km With 25kg Load： >3 hours continuous walking, approx. 12.5km |
No Load： >5hours continuous walking, approx. 20km With 25kg Load： >3 hours continuous walking, approx. 12.5km |
|
| Max Standing Load | About 100kg | About 100kg | |
| Continuous Walking Load | About 25kg | About 25kg | |
| Slope Walking Capability | About 45° | About 45° | |
| Stair Climbing Capability | Max Step Height: 30cm | Max Step Height: 30cm | |
| Max Climb Height | About 0.5～1m | About 0.5～1m | |
| Speed | 0–3.7 m/s (Up to ~5 m/s) | 0–3.7 m/s (Up to ~5 m/s) | |
| Replace Wheel-leg | Optional | Optional | |
| Ingress Protection Rating | IP56 | IP56–IP67 (Core components rated IP67) | |
| Other | Smart OTA Upgrade | Continuous Upgrades | Continuous Upgrades |
| Secondary Development | Supported | Supported | |
| Warranty | 12 Months | 12 Months |
| Brochures | |
|---|---|
| UTA2 - Brochure |
Brand: Unitree |
Code: UTA2STD
Supplier Code: UTA2STD
Brand: Unitree |
Code: UTA2STD
Supplier Code: UTA2STD
At a glance
- Agile, Lightweight, Enduring
- Lighter, Faster, Tougher
- Industrial-Grade Performance
- Advanced Mobility
- Dual-Sided Perception System
- Dual Hot-Swappable Batteries
