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.

Front-Drive  Assist Mode

Supports knee extension, ideal for leg descent and resistance exercises

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 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.

0.2s Recognition Speed

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

13 Types Sports Modes

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

Fast charging protocol supporting PD3.1, theoretically capable of 

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

BMS

Intelligent battery management system with overcharge, over-discharge, 

over-current, over-voltage, and temperature protection

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.

t800 high-strength carbon fiber

                   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.

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.

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.

IP65 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)

IP65

IP65

IP65

-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

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.

Front-Drive  Assist Mode

Supports knee extension, ideal for leg 

descent and resistance exercises

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.

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.

0.2s Recognition Speed                  

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

13 types sports modes

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

Fast charging protocol supporting PD3.1, theoretically capable of 

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

BMS

Intelligent battery management system with overcharge, over-discharge, 

over-current, over-voltage, and temperature protection

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

Fabric Material

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

and waterproof, breathable performance

                                                                                                                                                                                                                                   breathable layer

                                                                                                                                                                                                                                                waterproof layer

                                                                                                                                                                                                                                                 cushioning layer

                                                                                                                                                                                                                                             support layer

                                                                                                                                                                                                                         wear layer

Ergonomic

Ergonomic design with a  body-contouring shape that 

promotes proper body mechanics.

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.

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.

IP65 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$1099

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

IP65

Operating Temperature (°C)

-10 ~ 60

US$1299

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

IP65

Operating Temperature (°C)

-20 ~ 60

US$1899

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

IP65

Operating Temperature (°C)

-20 ~ 60

Safety Protection System

Donning Safety Protection

Support

Support Platform

Phone

IOS & Android

Watch

IOS & Garmin

Tablet

IOS

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.

Front-Drive  Assist Mode

Supports knee extension, ideal for leg descent and resistance exercises

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.

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.

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

0.2s recognition speed                    13 types sports modes

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)

BMS

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

anti-cold

 Operational 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

fabric material

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

                                                                                          Beathable  Layer

                                                                                         Waterproof  Layer

                                                                                         Cushioning  Layer

                                                                                          Support  Layer

                                                                                      Wear  Layer

ergonomic

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

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.

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.

Download  for  iOS/Android

Sumbu App

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

IP65 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$1099

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

IP65

Operating Temperature (°C)

-10 ~ 60

US$1299

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

IP65

Operating Temperature (°C)

-20 ~ 60

US$1899

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

IP65

Operating Temperature (°C)

-20 ~ 60

Safety Protection System

Donning Safety Protection

Support

Support Platform

Phone

IOS & Android

Watch

IOS & Garmin

Tablet

IOS