Eveready EP675E Mercury Hearing Aid Battery
The Eveready EP675E 1.4 volt mercury battery was manufactured by the
Union Carbide Corp of Cleveland, Ohio for behind-the-ear and eyeglass hearing aids
from the mid 1950s until mercury batteries were phased out in the USA in
1996 and were replaced by zinc-air batteries which had been available
for some years at that point. This battery weighed around 2 g and
measured 0.455" in diameter by 0.210" high. |
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Top view of the Eveready EP675E mercury battery. The top (negative
terminal) was gold colored.
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Bottom view of the Eveready EP675E mercury battery. The bottom and sides
comprised the positive terminal of the battery.
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The Eveready EP675E mercury batteries were sold in blister paks of 6
batteries each.
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Unlike most blister paks, you extracted the Eveready EP675E mercury batteries
from the front by lifting the plastic tab (shown here in the open
position).
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Rear view of the Eveready EP675E mercury battery pak.
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