Hugh Hetherington Hearing Aid Museum
Hugh Hetherington Hearing Aid Museum

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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

Eveready 415 Radio & Electronics Battery

This Eveready 45 volt No. 415 battery was made for use in transistor radios and other electronic instruments, including at least one audiometer.

Eveready was a brand of the Union Carbide Corp. of New York, NY.

This battery weighed 2.4 oz., (70 g) and measured 1" by ⅝" by 3˝" high (2.6 x 1.6 x 9.0 cm).

 

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Front view of the Eveready No. 415 battery. This tall battery almost looks like two 9-volt batteries stacked on top of each other.

The upper front shows the battery number (415), the NEDA number (213) and the voltage (45 volts).



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Left side view of the Eveready No. 415 battery showing the manufacturer—Union Carbide Corporation of N. Y., NY.

 

 


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Top view of the Eveready No. 415 battery. It used the same connections as a standard 9 volt battery.

Current flowed out from the male (positive) terminal and back though the female (negative) terminal.

 


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Top view of the Eveready No. 415 battery showing positive (left) and negative (right) terminals. The + sign is marked on the case below the terminal.

 

 


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Top view of the Eveready No. 415 battery showing negative (right) and positive (left) terminals. The - sign is marked on the case below the terminal.

 

 


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Bottom view of the Eveready No. 415 battery showing the letters "GRB" stamped there.

 

 


 

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