Rayovac No. R-N Hearing Aid Battery
The Rayovac R-N 1˝ volt carbon-zinc hearing aid battery
was made by the Rayovac Division of ESB Incorporated of Madison, WI.
probably around 1965 or so.
The Rayovac R-N battery weighed 0.2 oz. (5 g) and measured 1⅜" by
7/16" in
diameter (3.0 x 1.1 cm). These batteries were otherwise known as "N" batteries.
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Front view of the Rayovac R-N hearing aid battery showing the Ray-O-Vac
name in the center and the voltage (1˝ volts) along the top.
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Rear view of the Rayovac R-N hearing aid battery showing the the polarity arrow showing that
the top is the positive terminal.
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Left side view of the Rayovac R-N hearing aid battery showing that
Ray-O-Vac was a division of ESB Incorporated. This happened in 1957 so
this battery is has to be dated somewhere between 1957 and 1974 when the
name changed again.
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Right side view of the Rayovac R-N hearing aid battery showing the model
number (R-N).
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Top view of the Rayovac R-N hearing aid battery showing the positive terminal.
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Bottom view of the Rayovac R-N hearing aid battery showing the negative terminal.
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The Rayovac R-N hearing aid batteries were sold 6 to a box.
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Front view of the Rayovac R-N hearing aid 6-pak battery box.
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Top view of the Rayovac R-N hearing aid battery box showing the 6 holes,
exposing the positive terminals so you could check their voltage without
taking any out of the box.
That way you could be sure you were getting "fresh" batteries.
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Bottom view of the Rayovac R-N hearing aid battery box showing the
corresponding 6 holes for the negative terminals so you could check
their voltage without taking any out of the box.
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End view of the Rayovac R-N hearing aid battery box. It reads,
"Ray-O-Vac Division, ESB Incorporated, Madison, Wisconsin53703". Below
that it says, "World leader in packaged power" and at the bottom, "Made
in U.S.A."
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