Empowering Better Hearing

At VARTA we believe that everyone should have the possibility to live an independent and fulfilling live in an inclusive society. VARTA and Eargo have been working together for more than six years. We set out to push boundaries together. The base of our collaboration has always been a mutual partnership with the aim of developing crucial future-proof consumer products. The battery for Eargo 5 is an exclusive design by VARTA for Eargo which provides highest energy density in the smallest form factor.

Empowered by VARTA

Eargo 5

Designed to be more invisible. Eargo 5 is empowered by an exceptional battery - more than five years of running time guaranteed, cycle stability and highest energy density in the smallest space with a special form factor.

Designed to be fast – the device is fully charged within four hours. With the lithium-ion technology faster and easier charging is possible while meeting the highest levels of safety.

Swabian Engineering Meets Silicon Valley

The Development Process

Swabian engineering meets Silicon Valley. Over 15 months, VARTA's R&D team has developed a hearing aid battery that met the new challenges. Based on lithium-ion technology the cell provides highest energy density in the smallest space with a special form factor. A completely new and customised production line was developed for this purpose. The cell is made and produced environmental friendly in Germany.

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