Sumbu S3 Series 

Your Best Exoskeleton

dual-vector  design

Innovatively adopts a "dual-vector" rapid directional-switching mechanism deeply synchronized with an AI recognition algorithm. Seamlessly transitions between "front-drive" and "rear-drive" assist modes to dynamically adapt to varying terrains, precisely aligning with human biomechanics for enhanced motion efficiency and reduced fatigue.

Alt image Alt image Alt image

Front-Drive  Assist Mode

Supports knee extension, ideal for leg descent and resistance exercises

Alt image Alt image Alt image

Rear-Drive  Assist Mode

Aids hip extension, suitable for leg lifts and pushing movements


self-developed 
planetary gear motor

Alt image Alt image Alt image

Incorporates a modular planetary gearbox architecture engineered for high burstpower and impact resistance.  Performance metrics include  a 0.008s response time,  36N·m of peak torque, and system efficiency exceeding 80%,  achieving ultra-high power density and reliability 
within   a compact form factor.

900W           Power                                   
> 80%           System  Efficiency
36N·m           Peak  Torque                
0.008s          Response  Time      

Self-Learning 
AI  Algorithm

Leverages deep temporal neural networks to continuously learn user behavior and terrain patterns. With nanosecond-level data processing, it identifies 13 complex motions ( stairs, slopes, walking, running, hiking, cycling, grass, snow, sand, gravel) within 0.2s, enabling real-time optimal assist strategies for seamless human-machine synergy.

Alt image Alt image Alt image

0.2s Recognition Speed

With real-time posture detection, it automatically switches modes to keep pace with your movements

Alt image Alt image Alt image

13 Types Sports Modes

Alt image Alt image Alt image

High-Energy 
Density Battery

Incorporates a 99Wh high-capacity LiFePO₄ cell with an extensive operational temperature from -20°C to 60°C. 

Battery Management System (BMS) with algorithms governs charge/discharge , effectively minimizing internal resistance loss and extending the total cycle life.

  • 99Wh

  • BMS

  • Anti-Cold

Alt image Alt image Alt image

Fast charging protocol supporting PD3.1, theoretically capable of 

up to 240W charging power (48V@5A)

Alt image Alt image Alt image

BMS

Intelligent battery management system with overcharge, over-discharge, 

over-current, over-voltage, and temperature protection

Alt image Alt image Alt image

temperature  
from -20°c  to  60°c

Lightweight Design

Combines T800 high-strength carbon fiber and 6061 aerospace-grade aluminum in an ergonomic structure. Paired with a breathable, high-rebound cushioning system, the sub-2kg frame ensures portability and comfort without compromising durability.

The flex kit with a 5-layer structure offers high strength and waterproof, breathable performance.

Alt image Alt image Alt image

t800 high-strength carbon fiber

Alt image Alt image Alt image

                   Fabric Material

                     Breathable  Layer

                         Waterproof  Layer

                        Cushioning Layer

                        Support  Layer

                Wear  Layer

Ergonomic 

 Ergonomic design 
with a  body-contouring shape that promotes proper body mechanics.

Alt image Alt image Alt image

Comprehensive 
System Protection

Leverages a proprietary 3D IMU (tri-axial acceleration, angular velocity, and attitude) . The MCU executes real-time, millisecond-level motion analysis and stability assessment, enabling predictive protection through instantaneous torque intervention.

Alt image Alt image Alt image

App Control

Cross-Platform App Control: The system supports seamless operation across iOS and Android smartphones and compatible smartwatches. It features five preset assist modes (Gentle, Normal, Sport, Mega, Fitness) and allows for micro-adjustments through 100 levels of torque tuning, enabling fully personalized power assistance.

Five Preset Assist Modes1

Gentle,  Normal,  Sport, Mega,   Fitness

Allows for micro-adjustments through 100 levels of torque tuning, enabling fully personalized power assistance.

1  Mega assist mode requires for  Sumbu S3 Ultra; Fitness assist mode  requires for  Sumbu S3 Pro  and  Sumbu S3 Ultra.

Download  for  iOS/Android

Sumbu App

Control and monitor your Sumbu S3 series product in real-time, and get your sports data.

IP54 Rating

The device offers complete protection against dust ingress and resistance to low-pressure water jets from all directions, guaranteeing reliable operation in challenging conditions

Specification
Comparison

Hardware Materials

Weight (kg) 
(excl. soft pack & battery)

Folded Dimensions (mm)

Sumbu S3

$1,199.00

Sumbu S3 Pro

$1,499.00

Sumbu S3 Ultra

$1,999.00

Aerospace-Grade Aluminum Alloy, High-Performance Polymer

Aerospace-Grade Aluminum Alloy, Carbon Fiber

Aerospace-Grade Aluminum Alloy, Carbon Fiber

2.0 kg

1.75 kg

1.75 kg

438x236x202

438x236x202

438x236x202

Power System

Assist Modes

Peak Output (W)

Peak Torque (N.m)

Power Modes

AI Adaptive Gait Modes

Front-Drive + Rear-Drive

Front-Drive + Rear-Drive

Front-Drive + Rear-Drive

800

800

900

32

32

36

Gentle、 Normal、Sport

Gentle、 Normal、Sport、 Fitness

Gentle、 Normal、Sport、Mega、 Fitness

Upstairs, Downstairs, Uphill, Downhill, Walking, Running

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling, Race Walking, Grass, Snow, Dune,  Gravel

Battery System

Rated Capacity (Wh)

Battery Type

Charging Temperature (°C)

Battery Management System (BMS)

Charging Time 0 - 100% (min)

89

99

99

Standard

Anti-Cold

Anti-Cold

0 ~ 40

0 ~ 40

0 ~ 40

Support

Support

Support

55

60

60

Safety Protection System

Donning Safety Protection

Support

Support

Support

Durability

Ingress Protection Rating

Operating Temperature (°C)

IP54

IP54

IP54

-10 ~ 60

-20 ~ 60

-20 ~ 60

 Support Platform

Phone

Watch

Tablet

IOS & Android

IOS & Android

IOS & Android

IOS & Garmin

IOS & Garmin

IOS & Garmin

IOS

IOS

IOS

Alt image Alt image Alt image

Sumbu S3 Series

Your Best  Exoskeleton

Dual-Vector Design

Innovatively adopts a "dual-vector" rapid directional-switching mechanism deeply synchronized with an AI recognition algorithm. 

 

Seamlessly transitions between "front-drive" and "rear-drive" assist modes to dynamically adapt to varying terrains, precisely aligning with human biomechanics for enhanced motion efficiency and reduced fatigue.

Alt image Alt image Alt image

Front-Drive  Assist Mode

Supports knee extension, ideal for leg 

descent and resistance exercises

Alt image Alt image Alt image

Rear-Drive  Assist Mode

Aids hip extension, suitable for leg lifts 

and pushing movements

Self-Developed Planetary 
Gear Motor

Incorporates a modular planetary gearbox architecture engineered for high burst power and impact resistance.  Performance metrics include a 0.008s response time,  36N·m of peak torque, and system efficiency exceeding 80%,  achieving ultra-high power density and reliability within a compact form factor.

Alt image Alt image Alt image

90W              Power

36N·m         Peak Torque

> 80%         System Efficiency

0.008s       Response Time

Self-Learning  AI  Algorithm

Leverages deep temporal neural networks to continuously learn user behavior and terrain patterns. With nanosecond-level data processing, it identifies 13 complex motions ( stairs, slopes, walking, running, hiking, cycling, grass, snow, sand, gravel) within 0.2s, enabling real-time optimal assist strategies for seamless human-machine synergy.

Alt image Alt image Alt image

0.2s Recognition Speed                  

With real-time posture detection, it automatically switches modes to keep pace with your movements

Alt image Alt image Alt image

13 types sports modes

Alt image Alt image Alt image

High-Energy 
Density Battery

Incorporates a 99Wh high-capacity LiFePO₄ cell with an extensive operational temperature from -20°C to 60°C

 

Battery Management System (BMS) with algorithms governs charge/discharge , effectively minimizing internal resistance loss and extending the total cycle life.

  • 99Wh

  • BMS

  • Anti-Cold

Alt image Alt image Alt image

Fast charging protocol supporting PD3.1, theoretically capable of 

up to 240W charging power (48V@5A)

Alt image Alt image Alt image

BMS

Intelligent battery management system with overcharge, over-discharge, 

over-current, over-voltage, and temperature protection

Alt image Alt image Alt image

temperature  
from -20°c  to  60°c

Lightweight Design

Combines T800 high-strength carbon fiber and 6061 aerospace-grade aluminum in an ergonomic structure. 

 

Paired with a breathable, high-rebound cushioning system, the sub-2kg frame ensures portability and comfort without compromising durability.

t800 high-strength carbon fiber

Alt image Alt image Alt image

Fabric Material

The flex kit with a 5-layer structure offers high strength 

and waterproof, breathable performance

Alt image Alt image Alt image

                                                                                                                                                                                                                                   breathable layer

                                                                                                                                                                                                                                                waterproof layer

                                                                                                                                                                                                                                                 cushioning layer

                                                                                                                                                                                                                                             support layer

                                                                                                                                                                                                                         wear layer

Ergonomic

Ergonomic design with a  body-contouring shape that 

promotes proper body mechanics.

Alt image Alt image Alt image

Comprehensive 
System Protection

Leverages a proprietary 3D IMU (tri-axial acceleration, angular velocity, and attitude) . The MCU executes real-time, millisecond-level motion analysis and stability assessment, enabling predictive protection through instantaneous torque intervention.

Alt image Alt image Alt image

App Control

Cross-Platform App Control: The system supports seamless operation across iOS and Android smartphones and compatible smartwatches. It features five preset assist modes (Gentle, Normal, Sport, Mega, Fitness) and allows for micro-adjustments through 100 levels of torque tuning, enabling fully personalized power assistance.

Five Preset Assist Modes1

Gentle,  Normal, Sport,  Mega,   Fitness

Allows for micro-adjustments through 100 levels of torque tuning, enabling fully personalized power assistance.

1  Mega assist mode requires for  Sumbu S3 Ultra; Fitness assist mode  requires for  Sumbu S3 Pro  and  Sumbu S3 Ultra.

Download  for  iOS/Android

Sumbu App

Control and monitor your Sumbu S3 series product in real-time, and get your sports data.

IP54 Rating

The device offers complete protection against dust ingress and resistance to low-pressure water jets from all directions, guaranteeing reliable operation in challenging conditions.

  • Sumbu S3

  • Sumbu S3 Pro

  • Sumbu S3 Ultra

US$1199

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, High-Performance Polymer

Weight (kg) 
(excl. soft pack & battery)

2.0 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

800

Peak Torque (N.m)

32

Power Modes

Gentle、 Normal、Sport

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running

Battery System

Rated Capacity (Wh)

89

Battery Type

Standard

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

55

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-10 ~ 60

US$1499

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, Carbon Fiber

Weight (kg) 
(excl. soft pack & battery)

1.75 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

800

Peak Torque (N.m)

32

Power Modes

Gentle、 Normal、Sport、 Fitness

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling

Battery System

Rated Capacity (Wh)

89

Battery Type

Anti-Cold

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

60

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-20 ~ 60

US$1999

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, Carbon Fiber

Weight (kg) 
(excl. soft pack & battery)

1.75 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

800

Peak Torque (N.m)

32

Power Modes

Gentle、 Normal、Sport、 Fitness

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling, Race Walking, Grass, Snow, Dune,  Gravel

Battery System

Rated Capacity (Wh)

99

Battery Type

Anti-Cold

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

60

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-20 ~ 60

Safety Protection System

Donning Safety Protection

Support

Support Platform

Phone

IOS & Android

Watch

IOS & Garmin

Tablet

IOS

Alt image Alt image Alt image

Sumbu S3 Series

Your Best Exoskeleton

Dual-Vector  Design

Innovatively adopts a "dual-vector" rapid directional-switching mechanism deeply synchronized with an AI recognition algorithm. 

 

Seamlessly transitions between "front-drive" and "rear-drive" assist modes to dynamically adapt to varying terrains, precisely aligning with human biomechanics for enhanced motion efficiency and reduced fatigue.

Alt image Alt image Alt image

Front-Drive  Assist Mode

Supports knee extension, ideal for leg descent and resistance exercises

Alt image Alt image Alt image

Rear-Drive  Assist Mode

Aids hip extension, suitable for leg lifts and pushing movements

Self-Developed 
Planetary Gear Motor

Incorporates a modular planetary gearbox architecture engineered for high burst power and impact resistance.

 

Performance metrics include a 0.008s response time,  36N·m of peak torque, and system efficiency exceeding 80%,  achieving ultra-high power density and reliability within a compact form factor.

Alt image Alt image Alt image

90W   Power       > 80%     System Efficiency

36N·m     Peak Torque     0.008s   Response Time

Self-Learning  
AI  Algorithm

Leverages deep temporal neural networks to continuously learn user behavior and terrain patterns. 

 

With nanosecond-level data processing, it identifies 13 complex motions ( stairs, slopes, walking, running, hiking, cycling, grass, snow, sand, gravel) within 0.2s, enabling real-time optimal assist strategies for seamless human-machine synergy.

Alt image Alt image Alt image
Alt image Alt image Alt image

With real-time posture detection, it automatically switches modes to keep pace with your movements

0.2s recognition speed                    13 types sports modes

Alt image Alt image Alt image

High-Energy Density 
Battery

Incorporates a 99Wh high-capacity LiFePO₄ cell with an extensive operational temperature from -20°C to 60°C.

 

Battery Management System (BMS) with algorithms governs charge/discharge , effectively minimizing internal resistance loss and extending the total cycle life.

99wh high-capacity battery

Fast charging protocol supporting PD3.1, theoretically capable of up to 240W charging power (48V@5A)

Alt image Alt image Alt image

BMS

Intelligent battery management system with overcharge, over-discharge,over-current, over-voltage, and temperature protection

Alt image Alt image Alt image

anti-cold

 Operational temperature from -20°C to 60°C.
 

Alt image Alt image Alt image

Lightweight Design

Combines T800 high-strength carbon fiber and 6061 aerospace-grade aluminum in an ergonomic structure. 

 

Paired with a breathable, high-rebound cushioning system, the sub-2kg frame ensures portability and comfort without compromising durability.

t800 high-strength carbon fiber

Alt image Alt image Alt image

fabric material

The flex kit with a 5-layer structure offers high strength and waterproof, breathable performance
 

Alt image Alt image Alt image

                                                                                          Beathable  Layer

                                                                                         Waterproof  Layer

                                                                                         Cushioning  Layer

                                                                                          Support  Layer

                                                                                      Wear  Layer

ergonomic

Ergonomic design with a  body-contouring shape that promotes proper body mechanics.
 

Alt image Alt image Alt image

Comprehensive 
System Protection

Leverages a proprietary 3D IMU (tri-axial acceleration, angular velocity, and attitude) . The MCU executes real-time, millisecond-level motion analysis and stability assessment, enabling predictive protection through instantaneous torque intervention.

Alt image Alt image Alt image

App Control

Cross-Platform App Control: The system supports seamless operation across iOS and Android smartphones and compatible smartwatches. 

Five Preset Assist Modes1

Gentle, Normal, Sport, 

Mega, Fitness

Allows for micro-adjustments through 100 levels of torque tuning, enabling fully personalized power assistance.

1  Mega assist mode requires for  Sumbu S3 Ultra; Fitness assist 

mode  requires for  Sumbu S3 Pro  and  Sumbu S3 Ultra.

Alt image Alt image Alt image

Download  for  iOS/Android

Sumbu App

Control and monitor your Sumbu S3 series product in real-time, and get your sports data.

IP54 Rating

The device offers complete protection against dust ingress and resistance to low-pressure water jets from all directions, guaranteeing reliable operation in challenging conditions

  • Sumbu S3 

  • Sumbu S3 Pro

  • Sumbu S3 Ultra

US$1199

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, High-Performance Polymer

Weight (kg) 
(excl. soft pack & battery)

2.0 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

800

Peak Torque (N.m)

32

Power Modes

Gentle、 Normal、Sport

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running

Battery System

Rated Capacity (Wh)

89

Battery Type

Standard

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

55

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-10 ~ 60

US$1499

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, Carbon Fiber

Weight (kg) 
(excl. soft pack & battery)

1.75 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

800

Peak Torque (N.m)

32

Power Modes

Gentle、 Normal、Sport、 Fitness

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling

Battery System

Rated Capacity (Wh)

99

Battery Type

Anti-Cold

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

60

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-20 ~ 60

US$1999

Basic

Hardware Materials

Aerospace-Grade Aluminum Alloy, Carbon Fiber

Weight (kg) 
(excl. soft pack & battery)

1.75 kg

Folded Dimensions (mm)

438x236x202

Power System

Assist Modes

Front-Drive + Rear-Drive

Peak Output (W)

900

Peak Torque (N.m)

36

Power Modes

Gentle、 Normal、Sport、 Fitness

AI Adaptive Gait Modes

Upstairs, Downstairs, Uphill, Downhill, Walking, Running, Mountaineering, Cycling, Race Walking, Grass, Snow, Dune,  Gravel

Battery System

Rated Capacity (Wh)

99

Battery Type

Anti-Cold

Charging Temperature (°C)

0 ~ 40

Battery Management System (BMS)

Support

Charging Time 0 - 100% (min)

60

Durability

Ingress Protection Rating

IP54

Operating Temperature (°C)

-20 ~ 60

Safety Protection System

Donning Safety Protection

Support

Support Platform

Phone

IOS & Android

Watch

IOS & Garmin

Tablet

IOS