About Delkor

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Why Delkor®

Delkor Brandh History

Award Winning Quality

Uncompromised quality is our promise. For 17 consecutive years since 2006, Delkor has maintained the No. 1 spot in the Korea Quality Excellence Award (KS-QEl). Inaugurated in 2006, this prestigious national award is a comprehensive index developed by the Korean Standards Association and Korean Society for Quality Management, measuring product quality reflected by customer satisfaction level.

Delkor AGM

Unrivaled Technology

We are proud to be endorsed by a world leading lead-acid automotive car battery manufacturer, Clarios, formerly Power Solutions. This gives us access to the most advanced technologies in automotive battery production. And with an exhaustive quality-control process conducted every two hours, we produce some of the world’s strongest batteries with ultra-high resistance against corrosion.

HQ Building

Keeps Getting Better

We believe the power of taking one more step into the future is in our hands. That’s why we invest heavily in research and development, to constantly enhance our products and services. Pushing the horizons, we have set our sights on the next era of automotive: supplying batteries for electric cars. Going beyond what Today beholds. That’s the power of Delkor.

Brand History

Delkor Co. Ltd was established in 1985, as a joint venture with GM, the biggest automotive company in US. In 2010, with the goal of supplying unrivalled-quality automotive batteries, we joined the world’s largest automotive battery enterprise, Clarios, formerly Power Solutions.

Today, we are known as Clarios Delkor Corporation. We supply maintenance-free (MF) batteries to global automotive companies, including Hyundai, Kia, Toyota, Honda and Nissan, to name a few. We also extended our battery provision to industrial, commercial, agriculture machinery, deep cycle and marine applications.

Giving our customers the best is the motivation behind our breakthroughs. Enjoying quality, products and service that surpass expectations – we believe, The Power Is Yours.




Our Milestones


Power Solutions separates from Johnson Controls International, LLC. to become its own entity, Clarios.


Delkor Brand becomes an endorsed brand of Johnson Controls.


Integrates with Johnson Controls and is renamed to Johnson Controls Delkor Battery Corporation.

2006 - 2022

Top winner of Korean Standard-Quality Excellence Awards since 2006.


Renamed company to Delkor Corporation.

1987 - 2002

Acquires battery supply rights from OE car manufacturers in Korea and Japan, and continues to supply batteries to them to this day.


1st automotive battery company in Korea to produce Calcium Maintenance-free (CA-MF) batteries.


Completes first production plant construction in Gumi, South Korea.


Establishes Delkor Co. Ltd.

Backed by the Global Market Leader: Clarios

Delkor® automotive batteries are powered by Clarios, a world leader in advanced energy storage solutions. We partner with our customers to meet increasing market demand for smarter applications, on a global scale. Our 16,000 employees develop, manufacture, and distribute a portfolio of evolving battery technologies for virtually every type of vehicle. Technologies that deliver uniquely sustainable, next-generation performance, and bring reliability, safety, and comfort to everyday lives. We add value at every link in the supply chain, contributing to the progress of the communities we serve and the planet we all share.

For additional information, please visit www.clarios.com.

Our Commitment

We continually evaluate and invest in technologies, controls and processes that improve our operations while reducing our environmental footprint.

We operate all our facilities to meet the highest global environmental, health and safety requirements.

We never stop looking to improve. We learn from each of the plants we build or upgrade and strive to apply those lessons learned to all of our operations globally.

We extend our commitment across our supply chain and our partners.


At Clarios, we constantly strive to ensure environmental responsibility, and sustainability is at the heart of everything we do. With facilities that employ world-class technology and best practices globally, our manufacturing and recycling efforts have set industry benchmarks for health, safety and environmental performance.

Our dedication to sustainability is evidenced by our innovations in the advanced battery industry for hybrid and electric vehicles. We also provide the aftermarket with the latest technological developments, helping our customers save energy, reduce pollution and fuel consumption, and recycle more.

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A Sustainable Business for Generations to Come

Clarios is an active leader in sustainable practices and initiatives that have a broader impact on the world. Our environmental stewardship, which is evidenced by our waste reduction and other responsible manufacturing practices, has been an important part of our corporate responsibilities since day one. Today, that commitment is at the heart of our Ecosteps® program, which promotes proper disposal and recycling of used lead-acid batteries.

We are committed to continually minimising our environmental impact by improving the performance of our facilities, promoting sustainability within the supply chain, and using natural resources and commodities responsibly.

Visit Clarios for more on Sustainability