EV Charger Testing
2026-06-02 05:57:29

Chubu Seiki and Link T&B Launch Portable EV Charger Testing for Vehicles

Introduction


Chubu Seiki Co., Ltd., a leading manufacturer of electrical measuring devices based in Kasugai City, Aichi Prefecture, and Link T&B Co., Ltd., a startup originating from Nagoya University specializing in EV charging solutions, have initiated a significant project to test a portable rapid charger for electric vehicles (EVs) that is equipped with a vehicle authentication module. This advancement represents a crucial step towards increasing the accessibility of EV charging infrastructure in Japan.

Key Points of the Announcement


  • - The testing process takes place at Chubu Seiki's headquarters, where they will evaluate the performance of the portable rapid charger.
  • - The charger is designed to enable vehicle authentication, billing, and payment integration simply by connecting a charging cable, adhering to the Plug & Charge standard.
  • - The primary goals include verifying the operating efficiency, charging output performance, measurement capabilities, and vehicle authentication system prior to commercialization.

Background and Objectives of the Demonstration


With the growing adoption of electric vehicles in Japan, enhancing charging infrastructure is becoming increasingly vital. However, the implementation of fixed charging stations presents numerous challenges, including selecting installation sites, overseeing electrical work, construction timelines, and managing vehicle authentication and payment processes effectively. To address these issues, the deployment of portable rapid chargers offers increased flexibility for installation while integrating a vehicle authentication feature that operates seamlessly upon cable connection, signifying an evolution in charging technologies. This innovation embodies the anticipated Plug & Charge standard, following ISO 15118 guidelines.

Chubu Seiki has a long-standing commitment to the electrical measurement sector, having developed and manufactured products such as power meters and voltage detectors. Moreover, they have expanded their business to include the installation of decarbonization-related facilities such as EV charging stations. On the other hand, Link T&B offers comprehensive solutions from hardware to software, including the development of portable EV rapid chargers, vehicle authentication modules compliant with Plug & Charge, and the OneCharge data platform.

Objectives of the Current Testing


The current demonstration at Chubu Seiki's headquarters aims to refine the portable EV rapid charger’s functionalities through the following assessments:
1. Verifying the operational functionality and charging output of the portable rapid charger in the testing environment.
2. Testing the performance of the charging measurement feature.
3. Confirming the operation of the vehicle authentication module and system, which includes billing and payment integration similar to the Plug & Charge methodology.

Roles and Responsibilities of Each Company


Chubu Seiki is responsible for providing the testing environment, executing electrical installations, conducting power measurements, and validating the experience with the portable rapid charger and vehicle authentication system. In contrast, Link T&B handles the design and development of the charger, as well as the vehicle authentication module/system and the management of the OneCharge data platform.

About Link T&B


Founded in 2019, Link T&B is a startup stemming from Nagoya University, specializing in R&D, power electronics, IT and AI solutions, as well as EV charging solutions. The company effectively integrates hardware, software, and charging infrastructure, focusing on developments like portable EV rapid chargers and authentication modules aligned with Plug & Charge standards.

Company Overview


  • - Company Name: Link T&B Co., Ltd.
  • - Headquarters: 2-3-3 Ueki Building 2F, Kaminarimon, Taito-ku, Tokyo.
  • - CEO: Sōmei Iwakata
  • - Main Business Activities:
- R&D and power electronics (design, development, simulation, prototyping, and evaluation)
- IT and AI solutions offering DX support (cloud AI, local AI, cloud security)
- EV charging solutions (including portable rapid chargers and vehicle authentication services)

About Chubu Seiki


Chubu Seiki is renowned for being a top producer of earthquake detectors and smart meters among electrical measurement devices. In recent years, they have actively sought to expand their business areas, including drone technology, EV charging station installations, and energy management.

Company Overview


  • - Company Name: Chubu Seiki Co., Ltd.
  • - Headquarters: 3-5-1 Kifune-cho, Kasugai City, Aichi Prefecture.
  • - President: Hiroya Komichi
  • - Main Business Activities:
- Manufacturing, sales, and repair of electric meters
- Production and repair of electrical measuring instruments and earthquake sensors
- warehousing and delivery of measurement devices
- Installation services for electrical and communication equipment
- Management and installation of EV charging facilities
- Smart sub-metering services
- System operation and maintenance
- Various services utilizing drones

Contact Information for Media Inquiries




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