Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

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

Burgess No. U20 Hearing Aid "B" Battery

The Burgess No. U20  hearing aid "B" battery was made by the Burgess Battery Company of Freeport, IL. It was a 30 volt  battery used in some vacuum tube hearing aids in the early 1950s.

It weighed 1.4 oz. (40 g  ), and measured 2 9/16" x 1" x ⅝" (6.5 x 2.5 x 1.6 cm).

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Front view of the Burgess No. U20 battery. Note it says it was used for "electronic and transistor circuits". Since it was a 30 volt battery, it was obviously used for vacuum tube hearing aids still being used in the later 1950s.

It was equivalent to the Eveready 413E hearing aid "B" battery.

 

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Side view of the Burgess No. U20 battery showing the direction of the positive terminal and giving its voltage (30 volts).

 

 

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Opposite side view of the Burgess No. U20 battery showing the manufacturer's name, etc.

 

 

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Top view of the Burgess No. U20 battery showing the positive terminal.

 

 

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Bottom view of the Burgess No. U20 battery showing the negative terminal.

 

 

 


 

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