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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

This is a Zenith 22½ volt hearing aid "B" battery equivalent to the Eveready 505-E.

It was sold by Zenith dealers to be used in the Zenith 1-piece hearing aids of the 1940s and 1950s.

The Z-6B weighed about 1 oz., and measured 2" by 5/8" by 5/8".

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The opposite side of the battery showing the model number and voltage.

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