Stellar Hunter
A2 Quadruped Robot
Unitree A2 is an industry-grade quadruped robot with high load capacity, weighing approximately 42 kg. It can walk for up to 5 hours and cover 20 km on a single charge without payload. The maximum joint torque reaches about 180 N·m. Equipped with dual front-and-rear perception systems and hot-swappable dual batteries, it is designed for logistics, industrial inspection, and emergency rescue scenarios. A wheel-leg version is also available.
Specifications
Technical Specifications
Standing Dimensions
820mm x 440mm x 570mm
Folded Dimensions
720mm x 550mm x 220mm
Weight without battery
Approximately 35kg
Weight with battery
Approx. 42kg
Total Degrees of Freedom (Joint Motors)
12
Maximum joint torque
Approx. 180 N·m
Movement Speed
0~3.7 m/s (max approx. 5 m/s)
Battery Life (No-Load)
About 5 hours (approximately 20 km)
Battery life (load 25kg)
Approximately 3 hours (approx. 12.5km)
Maximum Standing Load
Approximately 100kg
Continuous walking load
Approximately 25kg
Slope Climbing Capability
Approximately 45°
Stair Climbing Ability
Maximum step height: 3 cm
Maximum Climbing Height
About 0.5 ~ 1m
Protection Rating
IP56 (PRO Core Component IP67)
Battery Capacity
Single cell 9000mAh (453.6Wh), dual-cell parallel 18000mAh
Features
Features
Agile, lightweight, and long-lasting: weighs approximately 42 kg. With full load, it can walk for 3 hours and cover 12.5km; without load, it can walk for 5 hours and cover 20 km.
Lighter, Faster, More Powerful: Industry-Grade Legged High-Load Platform with Premium Mobile Hardware and Support for Rapid Open-Platform Development
Front-and-rear dual perception: 360° coverage with enhanced precision. Equipped with 2 industrial-grade LiDARs for bidirectional sensing, plus high-definition cameras and fill lights to detect the environment ahead.
Dual-Battery System: Hot-swappable dual-battery parallel architecture enables continuous operation during battery swaps, with reliable three-electric system protection from 20°C to 55°C.
Smoothly traverse rugged terrain: max climb height ~0.5–1m, stair-climbing capability 30cm, slope-walking capability ~45°.
Powerful, Smart, and Versatile: Effortlessly handles diverse scenarios—from logistics, industrial inspections, and emergency rescue to extreme and complex environments.
Applications
Use Cases
Logistics & Transportation
Industrial Inspection
Emergency Rescue
Field Exploration
Campus Security
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