VARTA Microbattery and Hear the World Foundation continue global aid for children with hearing loss

Ellwangen / Zürich, 04 December 2025 - VARTA Microbattery and the Hear the World Foundation are delighted to extend their long-standing partnership until 31 March 2028. Together, they will continue to work towards improving the quality of life for children with hearing loss in low- and middle-income countries.

Since 2013, VARTA Microbattery has been supporting the Hear the World Foundation as a global partner – in particular by providing high-quality hearing aid batteries. With the extended partnership, batteries will continue to be provided annually to support projects worldwide and give thousands of children access to urgently needed hearing technology.

Targeted help for children worldwide

The Hear the World Foundation works with partners to ensure that affected children have access to high-quality audiological care, regardless of their country of origin or socio-economic status. The focus is always on the child: specialists, families and national structures are involved in order to create sustainable care solutions and promote the full potential of every child.
The Foundation's work spans Europe, the Middle East, Asia, Africa and Latin America.

Long-term partnership with lasting impact

‘At VARTA Microbattery, we believe that technology should serve humanity. Our ongoing partnership with the Hear the World Foundation is an expression of our social responsibility. Together, we are enabling children around the world to live better lives through good hearing,’ says Torsten Schmerer, Managing Director of VARTA Microbattery GmbH & VARTA Micro Production GmbH.
Elodie de Warlincourt, Managing Director of the Hear the World Foundation, added: ‘Thanks to the support of VARTA Microbattery, we can reach even more children and provide lasting help. Together, we are making a real difference.’

Communications contact:
Hear the World Foundation
Rina Hernandez-Sae Ma
Email: rina.hernandez-saema@sonova.com

About Hear the World Foundation
Hear the World Foundation, founded by Sonova in 2006, believes that every child deserves to have a chance to hear well and live life to their full potential. Hear the World´s purpose is to scale its programs, strengthen partnerships and drive systemic change in hearing healthcare for children living in low-and-middle-income countries.

Press contact

Interim press spokesperson VARTA AG
Dirk Schmitt
Phone: +49 170 302 8833


About VARTA AG in Ellwangen

VARTA AG manufactures and markets a comprehensive range of batteries, from microbatteries and household batteries to energy storage systems and customized battery solutions for a wide range of industrial and commercial applications. Through intensive research and development, VARTA AG sets global standards in lithium-ion technology and microbatteries and is recognized as an innovation leader in key growth markets, particularly in lithium-ion cells and primary hearing aid batteries. With over 3,500 employees, five production and manufacturing facilities in Europe and Asia, and sales locations in Europe, Asia and the USA, VARTA AG's operating companies are now active in more than 100 countries.
Based on years of technological experience, VARTA AG has comprehensive expertise across the entire development and production process for battery solutions. VARTA AG can develop almost any customer- or application-specific battery architecture and acts as a strong sparring partner for industry, SMEs and OEMs in the early engineering and design phases. In addition to this in-depth development and integration expertise, VARTA AG has mastered the scalable industrial series production of sophisticated battery solutions, combining technological innovation with a high degree of vertical integration and global delivery capability.