What Happened to “B” Batteries?. We all know of the AA, AAA, C, and D… | by Daniel Ganninger | Knowledge Stew | Medium
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What Happened to “B” Batteries?. We all know of the AA, AAA, C, and D… | by Daniel Ganninger | Knowledge Stew | Medium
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File:Everready Batteries for Vintage Hearing Aids, "A" and "B" Batteries (9324307124).jpg - Wikimedia Commons
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