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. 625 PX Mercury Hearing Aid Battery

The Varta 625 PX mercury hearing aid battery was made by Varta AG of Germany around 1958.

The Varta 625 PX battery measured 0.615" in diameter by 0.238" thick(1.56 x 0.590 cm) and weighed 0.15 oz. (4 g).

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Top view of the Varta 625 PX mercury hearing aid battery showing the negative terminal.

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Side view of the Varta 625 PX mercury hearing aid battery showing the flange around the side.

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Bottom view of the Varta No. 625 PX mercury hearing aid battery showing the manufacturer's name (Varta) at the top, the model number 625 PX (center), below it, the positive "+" terminal symbol and "Made in Germany" (bottom).

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