The Hearing Aid Museum

Hearing Aids of all types—Ear Trumpets, Carbon Hearing Aids, Vacuum Tube Hearing Aids, Transistor Hearing Aids, Body Hearing Aids, Eyeglass Hearing Aids and much more!

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Click on the "General Information" button (top button above) for an overview and general information on this category of hearing aid.

Hearing Aid Batteries

Varta No. 10 DK Mercury Hearing Aid Battery

The Varta 10 DK mercury hearing aid battery was made by Varta AG of Germany around 1985.

The Varta 10 DK battery was almost the same size as the No. 13 battery. It was 0.300" in diameter and 0.198" thick, whereas the No. 13 battery measured 0.305" in diameter by 0.208" thick. Presumably, it would work in hearing aids that normally took No. 13 batteries.

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Top view of the Varta 10 DK mercury battery showing the negative terminal. In the center it reads "Varta" and below that "10 DK".

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Bottom view of the Varta No. 10 DK hearing aid battery showing the positive "+" terminal.

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