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- Application Case
Redefining
Ultra-Portable Mobility
Collaborative Innovation for A Company – The World’s Smallest and Lightest E-Scooter
Project Background:
The Challenge of Last-Mile Efficiency
In the rapidly evolving landscape of urban micro-mobility, the startup A company. identified a critical pain point: traditional e-scooters are often too bulky and heavy for seamless multi-modal commuting. Especially in densely populated hubs like Tokyo or large-scale corporate campuses in the US, there was a desperate need for a transportation solution that could be carried as easily as a laptop.
The Challenge:
To develop a high-performance e-scooter that could fold down to the size of an A4 sheet (approx. 90mm thick) and weigh less than 5kg, without sacrificing power or reliability in outdoor environments.
- Project Objectives
01
Engineering the Impossible
As a strategic partner, Eco-transformer worked closely with the client to overcome the limitations of an ultra-compact scooter platform. The project focused on three key engineering goals:
- Extreme Compactness: Integrate the entire power and control system into a highly constrained chassis.
- System-Wide Reliability: Achieve full galvanic isolation and EMI compliance within a minimal footprint.
- Rugged Outdoor Adaptability: Develop customized, heavy-duty wire harnesses and mechanical components to ensure stable operation against road vibrations and varied weather conditions.
- The Solution
02
A Four-Layer Integrated Architecture
Through our R&D Fast-Track and Component-Level DFM Support, Eco-transformer delivered a compact and reliable four-layer system architecture:
- Power Core: A high-efficiency energy support system, customized and fine-tuned with the lithium battery pack to ensure stable power delivery.
- Control Hub:Precision electronic coils and communication interfaces integrated into the handlebar controls for responsive operation.
- Wiring Ecosystem: Waterproof power and signal harnesses designed to withstand repeated folding stress.
- Mechanical Integrity: Precision-cast structural interfaces and frame connection components for a lightweight yet robust build.
- Use Cases
03
Real-World Impact
The final solution supports real commuting and mobility scenarios where compact size, reliability, and portability are essential:
- The Tokyo Commute: Replaces a 20-minute walk with a 4-minute ride, saving users over 126 hours of commuting time annually.
- Corporate Campus Mobility: Enables employees at large headquarters, such as Microsoft-style campuses, to move between buildings quickly without waiting for shuttles.
- Seamless Transit: Its record-breaking light weight allows users to carry it onto subways, store it in lockers, or switch between transport modes effortlessly.
- Application Breakdown
How Our Components Are Applied
Inside the Scooter
The following exploded-view images show how electronic, structural, and wiring components are positioned within the electric scooter system — from the full system level down to individual component details.
—— 01
Full Scooter System Overview
This full-system exploded view shows how electronic coils, transformer modules, wire harnesses, and mechanical components are positioned within the electric scooter platform.
Key Focus
—— 02
Power & Control Core Integration
This view focuses on the scooter’s rear deck and power control area, showing how transformer modules, precision electronic coils, and integrated wire harnesses are assembled around the power system.
Key Focus
—— 03
Frame, Harness & Mechanical Structure
This view highlights the integration of precision cast mechanical components, structural interfaces, and wire harnessing around the front frame and scooter body structure.
Key Focus
—— 04
Four-Layer Electric Scooter System Architecture
This layered view explains how the scooter system is divided into vehicle frame, power system, control system, and auxiliary system. It shows how mechanical structures, power modules, control connections, and auxiliary electronics work together as one integrated platform.
Key Focus
—— 05
Core Component Detail View
This detailed view shows the core supplied component categories, including EE-type transformer structure, precision mechanical parts, frame connection components, and customized wire harnesses for power and signal transmission.
Key Focus
- Detailed Product Views
Folding Scooter Assembly Reference
Full Scooter Configuration
Open riding form with integrated deck and steering assembly.
Folded Structure View
Compact folded arrangement showing hinge and side housing details.
Handlebar Control Detail
Dashboard, grips, and control module viewed from the rider position.
Rear Housing Module
Folded rear body detail with protective exterior shell.
- Products Used
Components Supplied for This Application
Electronic Components
Used in power control, signal transmission, transformer modules, and auxiliary electronic systems.
Transformer Modules
Applied in power conversion, magnetic shielding, and stable electronic operation across the scooter system.
Wire Harnesses
Used for power lines, signal lines, controller connections, and complete integrated system wiring.
Precision Mechanical Components
Used in scooter frame structures, folding mechanisms, brackets, and structural interfaces.
Real Supplied Component Examples
Actual components manufactured and supplied for electric scooter applications.
Electronic Component Sample
Custom-manufactured electronic module for mobility application
Transformer Module Sample
Precision-wound transformer module for power conversion systems
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