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Amazon.com: Replacement Battery Compatible with Braun Oral-b Professional Care Toothbrush, 1150 mAh, Panasonic NiMH, 42 mm Long, 14 mm Diameter : Health & Household
File:Radio 'B' Battery, 22.5 volts, Sears, Roebuck & Co. - National Electronics Museum - DSC00233.JPG - Wikimedia Commons
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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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