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ManufacturerShanghai Banxing Technology Co., Ltd.Robot model · No. 2

Elf 3

Humanoid Robots · Research & Development

In developmentChina

Key factConfigurable · 37 kg

Model details

Model specifications

Additional computing hardwareConfigurable

Alternative HKTDC listing37 kg

Appearance customizationYes

Arms7 DOF per arm

Autonomous operation modeYes

AvailabilityCommercially available / quotation-based

Battery capacity518 Wh

Body DOF31 DOF excluding hands

Charging timeNot publicly available

Control architecturePCIE-CANFD

Control protocolMIT-protocol compatible

Depth280 mm

Dexterous handsAvailable/configurable; not included in the stated 31 body DOF

Equivalent speedapproximately 18 km/h

Head2 DOF

Height1,450 mm / 145 cm

IMUYes

IP ratingNot publicly available

Joint actuators31 BXI hollow-shaft planetary motors

Joint peak torque rangeapproximately 25–150 N·m

JumpingYes

Legs6 DOF per leg

Maximum slopeNot publicly available

Maximum speed5 m/s

Microphone array8 microphones

Motor communicationCAN / CANFD

Motor families5014 / 5018 / 7010 / 8515

NationalityChinese

OEM/ODM customizationYes

Onboard processorIntel Core i7-1370P

Operating systemUbuntu 22.04

Parkour/high-dynamic motionAdvertised and supported

Primary vision sensorIntel RealSense D435i RGB-D/depth camera

RAM16 GB

Reinforcement-learning developmentSupported

Robot typeFull-size bipedal humanoid

Robotics frameworkROS2

RunningYes

SDKOpen ROS2 hardware-control SDK

Sim-to-real supportYes

SimulationMuJoCo

Single-arm continuous horizontal payload5 kg

Single-arm elbow-supported payload10 kg

Stair-climbing specificationNot publicly available

Storage512 GB

TeleoperationYes

Waist3 DOF

Walking runtimeapproximately 1 hour

Weight≈38 kg on BXI's current official specification

Whole-body control frequency>1,000 Hz

Width450 mm

About the Elf 3

145 cm bipedal general-purpose humanoid with 31 body DOF, high-dynamic locomotion, dual-arm manipulation, depth vision and an open ROS2/MuJoCo development stack supporting both autonomous and teleoperated operation.

Typical applications: Research & Development.

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About the Elf 3

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