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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  3. Talk:LR44 battery - Wikipedia

    en.wikipedia.org/wiki/Talk:LR44_battery

    The most posed problem by swapping those batteries yields in the electronic apparatus you are going to use, for exemple, my Nikon FM2 is designed to use SR44 batteries, since where I live is hard to find them, I use LR44 anyways, it does not pose a risk for my equipment, but the camera light meter was calibrated to operate with the SR44 1.55V ...

  4. Battery recycling - Wikipedia

    en.wikipedia.org/wiki/Battery_recycling

    Battery recycling is a recycling activity ... of which about 60% is reclaimed during times of low lead prices, ... A23, 9-Volt, CR2032, and LR44 cells are all ...

  5. Comparison of commercial battery types - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_commercial...

    Low self-discharge nickel–metal hydride: LSD NiMH Yes 2005 [35] 0.9–1.05 [27] 1.2 1.3 [27] 0.34 ... some battery chemistries are at risk of thermal runaway ...

  6. Button cell - Wikipedia

    en.wikipedia.org/wiki/Button_cell

    Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.

  7. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    A zinc-carbon lantern battery, consisting of 4 round "size 25" cells in series. Terminated with spring terminals. 4LR25-2: 4: L: R: 25: 2: An alkaline lantern battery, consisting of 2 parallel strings of 4 round "size 25" cells in series 6F22: 6: F: 22: A zinc-carbon rectangular battery, consisting of 6 flat "size 22" cells. Equivalent to a PP3 ...

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