Rayovac No. 810 Type "N" Alkaline Hearing Aid Battery
The Rayovac No. 810 Type "N" 1˝ volt alkaline hearing aid battery was
made by the Rayovac, a corporation of Inco Electro Energy of Madison, WI.
probably around 1965 or so.
The Rayovac No. 810 alkaline hearing aid battery weighed 0.2 oz. (6 g) and measured 1
3/16" by
7/16" in
diameter (3.0 x 1.1 cm). These batteries were otherwise known as type "N"
or N-size batteries.
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Front view of the Rayovac No. 810 alkaline hearing aid battery showing the Ray-O-Vac
name in the center and the and the kind of battery it is (alkaline)
below the name.
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Left side view of the Rayovac No. 810 alkaline hearing aid battery showing
the model number on the left (No. 810. To the right is the
inscription, "Distributed by Ray-O-Vac, a Corporation of Inco Electro
Energy, Madison, WI 53703".
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Lower left front view of the Rayovac No. 810 alkaline hearing aid
battery showing that it is a standard "N" size battery.
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Lower right front view of the Rayovac No. 810 alkaline hearing aid battery showing the
voltage (1.5 volts).
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Top view of the Rayovac No. 810 alkaline hearing aid battery showing the positive terminal.
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Bottom view of the Rayovac No. 810 alkaline hearing aid battery showing the negative terminal.
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