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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    This battery contained two independent 4.5 V batteries, and had a four-pin connector. 9 V with a center tap was available by wiring in series. There were two ⌀3.2 mm negative pins spaced 9.5 mm apart and two ⌀4.0 mm positive pins spaced 14.3 mm apart. Negative and positive pins were spaced 18.1 mm apart.

  3. AA battery - Wikipedia

    en.wikipedia.org/wiki/AA_battery

    A Li-ion 1.5V AA-size battery, sold by the Chinese company Kentli as "Kentli PH5" since 2014 and with similar batteries later available from other suppliers is a AA-sized battery housing containing a rechargeable 3.7 V Li-ion cell with an internal buck converter at the positive terminal to reduce the output voltage to 1.5 V. [19] The Kentli ...

  4. Rechargeable alkaline battery - Wikipedia

    en.wikipedia.org/wiki/Rechargeable_alkaline_battery

    The first generation rechargeable alkaline batteries were introduced by Union Carbide and Mallory in the early 1970s. [3] [5] Several patents were introduced after Union Carbide's product discontinuation and eventually, in 1986, Battery Technologies Inc of Canada was founded to commercially develop a 2nd generation product based on those patents, under the trademark "RAM".

  5. 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 ...

  6. List of battery types - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_types

    A Duracell AA size alkaline cell, one of the many types of battery This list is a summary of notable electric battery types composed of one or more electrochemical cells . Three lists are provided in the table.

  7. Lithium metal battery - Wikipedia

    en.wikipedia.org/wiki/Lithium_metal_battery

    Called "voltage-compatible" lithium, it can work as a replacement for alkaline batteries with its 1.5 V nominal voltage. As such, Energizer lithium cells of AA [21] and AAA size employ this chemistry. 2.5 times higher lifetime for high current discharge regime than alkaline batteries, better storage life due to lower self-discharge(10–20 years).

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