B2

A quadruped robot from China, first released 2023.

Sources retrieved: 19 August 2026 (A, B, C)

Status: In production
Applications: Industry
Indicative price: Not stated
Intended use, per the manufacturer: Robot - Industry Robot dog - industrial gradeThe manufacturer's own product navigation, the group B2 belongs to.

50100150200 cm204060 in64.525.4

Unitree Robotics B2 quadruped robot, dark grey body, silver lower legs, black feet, three-quarter view

Person
175 cm68.9 in
109.8 cm43.2 inHeight
64.5 cm25.4 in

Manufacturer's own photo.

Drawn at one scale next to a 175 cm person, from the figures the maker states: height 64.5 cm and length 109.8 cm.Drawn at one scale next to a 68.9 in person, from the figures the maker states, converted to inches: height 25.4 in and length 43.2 in.

Specifications

21/33 specifications disclosed 12 not stated

Show fields not stated

How to read the figuresShow guideClose

Not statedThe manufacturer states nothing about this field.YesStated: the robot has this.NoStated: the robot does not have this.A marker with an asterisk (*) also carries a caveat.

Select a source marker for source details and notes.

Physical13/14 disclosed

Weightapproximately 60kgapproximately 132lbOur conversion from 60 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Lengthapproximately 109.8cmapproximately 43.2inOur conversion from 1098 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Widthapproximately 45cmapproximately 17.7inOur conversion from 450 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Heightapproximately 64.5cmapproximately 25.4inOur conversion from 645 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Degrees of freedomNot stated

Payload, walkingmore than 40kgmore than 88.2lbOur conversion from 40 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Payload, standingat least 120kgat least 265lbOur conversion from 120 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Max speedmore than 21.6km/hmore than 13.4mphOur conversion from 6 m/s. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Max slopemore than 45°

Max obstacle height40cm15.7inOur conversion from 40 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Max stair height, continuous20–25cm7.87–9.84inOur conversion from 20–25 cm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

IP ratingIP67

Operating temperature, low-20°C-4°FOur conversion from -20 °C. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Operating temperature, high55°C131°FOur conversion from 55 °C. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

Power4/5 disclosed

Battery2,250Wh

Runtimemore than 240minNote: at load 20 kg

Hot-swap batteryYes

Charge timeNot stated

Docking stationYes

Sensing and autonomy2/6 disclosed

LiDARNot stated

Camerasdepth camera x2 + optical camera x2

Onboard computeIntel Core i5 (platform) / i7 (development); optional i7 or NVIDIA Orin NX, up to 3 units

ROS 2Not stated

SDK languagesNot stated

Autonomy featuresNot stated

Payload and expansion2/3 disclosed

Mounting interfaceNot stated

Power out12 V x4; 5 V x1; 24 V x4; BAT x1

Data ports1000M-Base-Ethernet x4 USB 3.0 x4

Commercial0/1 disclosed

Indicative priceNot stated

Compliance & certifications0/4 disclosed

CENot stated

FCCNot stated

ULNot stated

CCCNot stated

Against the field

Each strip holds every robot of this type in the guide that states the figure, one bar per group of values. Further right means a larger figure, not a better robot.

Height

approximately 64.5cmapproximately 25.4inOur conversion from 645 mm. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

89 quadrupeds state a height

21 state a higher figure, 65 a lower one.

Weight

approximately 60kgapproximately 132lbOur conversion from 60 kg. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

126 quadrupeds state a weight

24 state a higher figure, 96 a lower one. 3 more state exactly the same figure. Log scale: each step along the axis multiplies the value.

Runtime

more than 240minNote: at load 20 kg

106 quadrupeds state a runtime

B2 states a lower limit, not one figure, so it is shown open-ended and not ranked against the others.

Max speed

more than 21.6km/hmore than 13.4mphOur conversion from 6 m/s. The manufacturer does not state an imperial figure itself, so the conversion has no source of its own.

115 quadrupeds state a top speed