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

Toshiba No. CR2025 Lithium Hearing Aid Accessory Battery

The Toshiba No. CR2025 was a 3-volt lithium battery made by/for Toshiba Corporation of Tokyo, Japan. It was sometimes used in hearing aid accessories and remotes.

This battery came out somewhere around the mid 1990s and was quite thin and light. It weighed 0.07 oz. (2 g) and measured ¾" in diameter by 3/32" thick (2.0 x 0.25 cm)

The larger side is the positive terminal side.

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Front view of the Toshiba No. CR2025 lithium battery showing the negative terminal.

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Edge view of the Toshiba No. CR2025 lithium battery showing the slight flange on the positive terminal (bottom).

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