Rayovac 13 [L13ZA] Zinc-air Hearing Aid Battery
This Rayovac 13 [L13ZA] 1.4 volt zinc-air hearing aid battery was
made by Rayovac Corp. of Madison, WI. around 1995.
This battery weighed around 0.035 oz., and measured 0.305" in
diameter by 0.208" in height.
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Top view of the Rayovac 13 [L13ZA] zinc-air battery showing the
negative terminal.
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Bottom view of the Rayovac 13 [L13ZA] zinc-air battery showing the
positive (+) terminal. Note the two holes in the bottom. These holes
let air into the battery to activate it. That is why it is called a
zinc-air battery.
Once the orange tab (below) is removed the battery starts working (and
thus running down) whether you use it or not.
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Bottom view of the Rayovac 13 [L13ZA] zinc-air battery showing the
orange tab covering and sealing the 2 air holes so the battery is not
activated and thus has a long shelf life. The orange tab is the
standard color for all 13-sized zinc-air batteries, no matter who makes
them.
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Side view of the Rayovac 13 [L13ZA] zinc-air battery.
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Front view of the Rayovac L13ZA 4-battery plastic blister pak.
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Rear view of the Rayovac L13ZA 4-battery plastic blister pak.
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