Energizer E90 Type "N" Hearing Aid Battery
The Energizer E90 1˝ volt type "N" battery was made for Energizer
Holdings, Inc. of St. Louis, MO in 2005.
The Energizer E90 was an alkaline battery and weighed 0.2 oz.
(6 g). It measured 1 3/16" high
by 7/16" in diameter (2.9 x 1.1 cm). |
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An earlier Energizer E90 battery when Energizer was still a brand name
of Eveready and owned by Union Carbide Corp. of Danbury, CT. This
battery may be from around 1980.
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Side view of the Energizer E90 battery showing the size (N size) and the
voltage (1.5 volts). On the left the warning reads, "Warning: do not
install backwards, charge or put in fire—may explode or leak."
"N"-sized batteries were
commonly used in transistor body aids in the 1950s and 1960s. They are
still used for some assistive listening devices today
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Side view of the Energizer (Eveready) E90 battery showing the model
number (E90) and the NEDA number (910A), and the size (N). The warning
on the left side reads, "Warning! May explode or leak if recharged or
disposed of in fire."
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Other side view of the Energizer E90 battery. On the left it reads, "LR1
. AM5, Made in U.S.A. for Energizer Holdings Inc., St. Louis MO
63141. Europe: Energizer, 92679, Courbevoie Cerdex, France."
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Side view of the Energizer E90 battery showing the date punched into
the side (0205) meaning February, 2005 as either that date of
manufacture or the date to be sold by.
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Side view of the Energizer (Eveready) E90 battery showing the main name
(Energizer) and above it in smaller letters (Eveready).
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Side view of the Energizer (Eveready) E90 battery showing the voltage
(1.5 volts) and that the positive terminal is at the top (to the right)
indicated by the black + in the red square. At the top left the
inscription reads, "Union Carbide Corporation, Danbury, CT 06810"
and below that, "Made in U.S.A."
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Top view of the Energizer E90 hearing aid battery showing the
positive terminal.
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Top view of the Energizer (Eveready) E90 hearing aid battery showing the
positive terminal.
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Bottom view of the Energizer E90 hearing aid battery showing the
negative terminal.
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Bottom view of the Energizer (Eveready) E90 hearing aid battery showing the
negative terminal with the letters "RC" in the center.
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