Clarios Delkor® batteries have been ranked first in the automotive battery category of the '2025 Korean Standard Quality Excellence Index (KS-QEI)' for the 20th consecutive year.

With this achievement, Delkor battery has also been inducted into the 'Korean Standard Quality Excellence Index Hall of Fame'. The Hall of Fame is the highest honour bestowed only upon companies that have ranked first for 10 consecutive years in their respective categories, once again demonstrating Delkor battery's sustained quality competitiveness.

The Korean Standard Quality Excellence Index (KS-QEI) is a quality measurement model jointly developed by the Korean Standards Association (KSA) and the Korean Society for Quality Management (KSQM). It reflects customer satisfaction with product and service quality, tailored to the characteristics of various industries.

Delkor, an endorsed brand of Clarios – a global leader in advanced, low-voltage battery technologies for mobility – supplies high-quality automotive batteries, backed by advanced technology, cutting-edge manufacturing processes, and strict quality control throughout each production stage.

The Delkor AGM battery supports start-stop technology, an innovative feature adopted by many automakers to improve fuel efficiency, providing significantly enhanced power to meet increased electrical demands. It is designed for long-lasting performance, with a battery life up to three times longer than conventional batteries. It ensures reliable operation through rapid recharging during peak power demands.

Clarios, a global leader in advanced low-voltage battery technology, owns global brands including Delkor, VARTA and OPTIMA. Clarios batteries and smart solutions power nearly every type of vehicle and are found in one of three cars on the road today, bringing reliability, safety and comfort to everyday lives. Within Clarios’ closed-loop system, nearly 8,000 batteries are recycled per hour.

In recognition of these efforts, Clarios was recently named one of the '2025 World's Most Ethical Companies' by the Ethisphere Institute, a global leader in defining and advancing standards of ethical business practices, for the third consecutive year. This award is a prestigious certification that evaluates ethics and accountability amongst companies worldwide, comprehensively assessing over 240 criteria including ethics and compliance, governance, organisational culture, environmental and social responsibility, and ethical practices within the value chain. This year, only 136 companies worldwide were selected, with just seven companies included from the automotive industry sector.

"The achievement of ranking first for 20 consecutive years is the result of decades of customer trust in Delkor battery," remarked SJ Won, VP&GM North Asia & ANZ. "Clarios will continue to lead the future of the battery industry through innovative technology and solutions optimised for the evolving mobility environment."

About Clarios

Clarios is the global leader in advanced, low-voltage battery technologies for mobility. Our batteries and smart solutions power nearly every type of vehicle and are found in 1 of 3 cars on the road today. With around 18,000 employees in over 100 countries, we bring deep expertise to our Aftermarket and OEM partners, and reliability, safety and comfort to everyday lives. We answer to the planet with a rigorous sustainability focus – advancing best-in-class sustainability practices and advocating for them across our industry. We work to ensure 100% of our products sold are recyclable, and we recycle 8,000 batteries an hour in our network.