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A comment on Ask HN: Fake AA batteries, or drain acid from current ones. Parent comment

Re:Ask HN: Fake AA batteries, or drain acid from current ones by bryanrasmussen on Sunday March 13, 2022 @11:56AM (#30662408)
I think it's the flavor of copper, he seems to prefer Duracell for what it's worth.
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Re:Ask HN: Fake AA batteries, or drain acid from current ones by h2odragon on Sunday March 13, 2022 @12:03PM (#30662486)
but theres no actual copper on the surface of the battery
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Re:Ask HN: Fake AA batteries, or drain acid from current ones by bryanrasmussen on Sunday March 13, 2022 @12:11PM (#30662594)
ok, I suppose then it is the metallic tang one gets from the battery.
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