Name: UBTECH Walker S1
Brand: UBTECH

Height

1.45 m

Weight

77 kg

Battery mass

6 kg

Total degrees of freedom

36 DOF

Degrees of freedom per leg

6 DOF per leg

Degrees of freedom per arm

7 DOF per arm

Neck degrees of freedom

2 DOF

Servo joint count

36 high-performance servo joints

Integrated drive unit

Frameless torque motor; Precise harmonic reduction; Drive controller; Dual encoder

Battery chemistry

Lithium iron phosphate

Battery voltage

54.6 V

Battery capacity

10 Ah

Charging time

2 h

Runtime

2 h

Hand degrees of freedom

4 DOF per hand

Single-arm payload

1.5 kg (extended state)

Reach

0.54 m (single arm)

Sensor modalities

force, vision, hearing and spatial awareness

Recognition modalities

Face/Object/Scene Recognition

Terrain compatibility

Carpet; Floor; Grass; Stairs; Uphill; Tiles; Obstacles

Interaction modalities

Text; Voice; Vision; Movement; Environment

Smart home control

Walker has an open and convenient smart home interface, which can be used to assist users to control lights, appliances and sockets and other home devices independently according to the use cases.

Wifi specification

Wi-Fi: 802.11 a/b/g/n 5G/2.4 GHz dual-band

Ethernet interface

Ethernet: RJ45 interface

Fieldbus protocol

EtherCAT: High-speed real-time bus

Self balancing interference resistance

Self-balancing and Interference Resistance

Navigation system

U-SLAM Navigation and Autonomous Path Planning

Processor options

Intel i7 7500U Frequency 2.7Ghz; Intel i5 6200U Frequency 2.3Ghz

Software system

Operating system: Ubuntu + Linux RT Preempt + ROS + Android; Emulation platform: URDF+Gazebo

Commercial robotHumanoid

UBTECH U1 Series

3 editions

Official specs 3 · Research specs 9

UBTECH•CN•Sep 7, 2026

UBTECH Walker S1

Specifications

Dimensions

Actuation

Power

Manipulation

Sensors

Other

Mobility

Compute

Reference

Gallery

UBTECH Walker S

UBTECH Walker S2

UBTECH Alpha 1E

UBTECH Alpha Mini

UBTECH Cruzr S2

UBTECH U1 Series