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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 an Siemens 1½ volt "A" battery that fit a number of English made vacuum tube hearing aids in the 1940s.

It weighed 2¼ oz., and measured 3¾" in length by 1" in diameter.

This battery was manufactured by Siemens of London, England.

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This battery sometimes was paired with the S109 "B" battery (left).

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