Unitree AS2 Pro

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Overview
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Unitree AS2 PRO — Compact Size, Industrial Capability

Unitree AS2 quadruped robot moving through an industrial environment

Unitree AS2 PRO

Compact Size.
Industrial Capability.

Official speed range: 0–3.7 m/s

AS2 PRO

Built for longer,
harder missions.

This listing is for the Unitree AS2 PRO configuration. Every model-specific figure below follows the PRO column of Unitree’s comparison table and is kept separate from AS2 AIR and AS2 EDU values.

  • ≈18 kg
  • ≈75 N·m
  • 15,000 mAh
  • 0–3.7 m/s

01 / Power

Powerful Motors,
Exceptional Payload.

AS2 PRO combines an approximately 18 kg body including battery with a maximum joint torque of approximately 75 N·m. Official load figures list an approximately 55 kg standing load and an approximately 13 kg continuous walking load.

Maximum joint torque
≈75 N·m
Weight with battery
≈18 kg
Maximum standing load
≈55 kg
Continuous walking load
≈13 kg

02 / Endurance

Ultra-Long Endurance,
Expand Boundaries.

AS2 PRO uses one 15,000 mAh long-range battery. Official laboratory figures list approximately 4 hours and 20 km of continuous unloaded walking; with a 13 kg load, the listed result is more than 2.5 hours and approximately 13 km.

Battery capacity
15,000 mAh
Unloaded runtime
≈4 h
Unloaded range
≈20 km
With 13 kg load
>2.5 h / ≈13 km

03 / Protection

All-Weather Adaptability,
Reliable Operation.

Unitree lists an IP54 protection rating for AS2 PRO, together with an official operating-temperature range of −20°C to 50°C for operation across more demanding weather and environmental conditions.

Protection rating
IP54
Operating temperature
−20°C to 50°C

04 / Dynamics

Agile Bionic,
Exceptional Dynamics.

The video above is an official AS2-series demonstration and may show movements or configurations beyond the AS2 PRO specification. For AS2 PRO, Unitree lists a speed range of 0–3.7 m/s, an approximately 40° slope capability and a 25 cm forward stair-climbing capability.

Speed
0–3.7 m/s
Slope capability
≈40°
Forward stair capability
25 cm

AS2 PRO / Complete Specifications

Official PRO specifications.
One clear reference.

The values in this section apply specifically to the Unitree AS2 PRO configuration. They have been separated from AS2 AIR and AS2 EDU specifications for clear model identification.

01

Mechanical Parameters

Size (standing)
720 × 378 × 457 mm
Size (lying prone)
776 × 378 × 233 mm
Weight (with battery)
Approx. 18 kg
Material
Aluminum alloy + high-strength engineering plastic
Degrees of freedom (joint motors)
12
Joint bearings
Industrial-grade crossed roller bearings (high precision, high load capacity)
Joint motors
Low-inertia, high-speed inner-rotor PMSM (enhanced response and heat dissipation)
Maximum joint torque
Approx. 75 N·m
Range of motion
Body: −45° to 45°
Thigh: −115° to 200°
Shank: −159° to −47°
02

Electrical & Connectivity

Supply voltage
36–50.4 V
Joint encoder
Dual encoders
Cooling system
Local air cooling
Power supply
Lithium battery
Wi-Fi 6 & Bluetooth 5.2
Yes
Speaker
Yes
Microphone
Yes
Front light
Yes
ISS 3.0 intelligent side-follow system
Yes
GPS
Yes — disabled by default; user authorization required
4G
Yes — disabled by default; user authorization required
03

Perception & Interfaces

HD camera
Yes
Ultra-wide-angle LiDAR
Industrial-grade 64–128-line LiDAR
Computing power
8-core high-performance CPU
External interfaces
1 × Gigabit Ethernet
1 × SBUS
Power output: BAT
04

Performance & Mobility

Operating temperature
−20°C to 50°C
Battery life (unloaded)1
Approx. 4 hours continuous walking; approx. 20 km
Battery life (loaded)1
With 13 kg load: >2.5 hours continuous walking; approx. 13 km
Maximum standing load
Approx. 55 kg
Continuous walking load
Approx. 13 kg
Slope-walking capability
Approx. 40°
Stair-climbing capability
25 cm
Speed
0–3.7 m/s
Protection rating
IP54
05

Battery & Accessories

Remote controller
Yes
Battery capacity
Long Range (15,000 mAh) × 1
Charger
Fast Charging (51 V / 9 A)
Charging dock
/
High-computing-power expansion dock
/
06

Software & Support

Secondary development2
Not supported
UniStore platform
Supported
Smart OTA upgrade
Continuous upgrades

1 The above data were obtained under laboratory conditions. Actual performance may vary based on usage conditions.

2 For detailed functions, please refer to the Secondary Development Manual.

Official AS2 Series Reference

Read the PRO column for this product.

The gallery below contains AS2-series material. Images that mention developer interfaces, 90 N·m, speeds above 3.7 m/s, a 65 kg standing load, a 15 kg walking load, a 15 kg loaded endurance test, a charging dock or Orin NX refer to AS2 EDU or series-maximum references—not AS2 PRO specifications. For this listing, use only the PRO figures above and the centre PRO comparison column.

AS2 PRO feature — ISS 3.0 intelligent side-follow is supported
AS2 PRO ISS 3.0 intelligent side-follow feature reference
AS2 EDU reference — secondary development is not supported on AS2 PRO
AS2 EDU developer-platform reference; secondary development is not supported on AS2 PRO
AS2 EDU / series-maximum reference — use the official AS2 PRO values above
AS2 EDU and series-maximum performance reference; values shown do not all apply to AS2 PRO
AS2 PRO hardware note — 64–128-line LiDAR and 15,000 mAh are standard; Orin NX is not available
AS2-series hardware reference; AS2 PRO uses industrial 64–128-line LiDAR and a 15,000 mAh battery without Orin NX expansion
Unitree AS2 operating across varied environments Unitree AS2 parameter section introduction
Unitree AS2 AIR, PRO and EDU mechanical and electrical specification comparison Unitree AS2 AIR, PRO and EDU performance, accessories and feature comparison

Shipping & Pickup

Fast Canadian fulfillment, local Toronto pickup, and clear delivery expectations.

Free Shipping

Free shipping is available across most Canadian provinces on orders of CAD $149 or more before tax.

Orders below CAD $149, remote postal codes, and shipments to NT, NU, and YT are charged live carrier rates at checkout.

Dispatch Time

Same-day dispatch is available for in-stock orders confirmed and paid before 4:00 p.m. EST, Monday to Friday.

Orders placed after cutoff, on weekends, or on public holidays ship the next business day.

Estimated Delivery

  • Ontario: 1–2 business days
  • QC / MB / SK / AB / BC: 2–5 business days
  • Atlantic Canada: 3–5 business days
  • NT / NU / YT: 3–10 business days, weather dependent

Delivery timelines are estimates from the date of dispatch and exclude weekends and statutory holidays.

Carriers

Orders typically ship with UPS, Purolator, or Canada Post depending on destination, parcel size, and service availability.

Express shipping upgrades, when available, are shown at checkout.

Tracking & Signature

Tracking is emailed automatically once the shipping label is created. Carrier updates may take a few hours to appear.

Most parcels ship with signature required by default for added security.

Toronto Pickup

Eligible items may be available for pickup at SpeedyDrone Toronto. Pickup availability is shown on the product page near the buy box.

Ready time may vary by product availability, order status, and store confirmation.

Returns & Exchanges

We want every order to feel clear and confident. Please review the summary below together with our full policy for complete terms.

30-Day Return Window

Returns may be requested within 30 days from the official delivery date recorded by the carrier.

Item Condition

Items must be unused, unopened, and undamaged, with original packaging, accessories, manuals, and included components.

Proof of Purchase

Proof of purchase is required, such as your order number, receipt, or invoice.

Restocking Fee

Opened or handled items may be subject to a 20% restocking fee, depending on overall condition.