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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    Typical capacity (mAh) Nominal voltage (V) Terminal layout Dimen­sions (mm) Comments Most common Other common IEC ANSI; G0U: 1.55: D: 6.0 H: 2.0 Proprietary silver-oxide button battery made for Casio "MINI CARD" calculators. No longer made. This type of battery has "reversed polarity" (the outer can is negative and the bottom terminal is positive)

  3. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    Standard battery nomenclature describes portable dry cell batteries that have physical dimensions and electrical characteristics interchangeable between manufacturers. The long history of disposable dry cells means that many manufacturer-specific and national standards were used to designate sizes, long before international standards were reached.

  4. Comparison of commercial battery types - Wikipedia

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

    This is a list of commercially-available battery types summarizing some of their characteristics for ready comparison. ... 2,500 [55] –12,000 to 80% capacity [63 ...

  5. D battery - Wikipedia

    en.wikipedia.org/wiki/D_battery

    A battery's capacity depends upon its cell chemistry and current draw. Duracell brand rates its alkaline D cell performance as approximately 20,000 mAh at 25 mA draw, but about 10,000 mAh at 500 mA draw. [5] This effect is generally less pronounced in cells with NiMH chemistry and hardly at all with NiCd. Many commonly available size D ...

  6. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    Capacity is usually stated in ampere-hours (A·h) (mAh for small batteries). The rated capacity of a battery is usually expressed as the product of 20 hours multiplied by the current that a new battery can consistently supply for 20 hours at 20 °C (68 °F), while remaining above a specified terminal voltage per cell.

  7. Battery pack - Wikipedia

    en.wikipedia.org/wiki/Battery_pack

    [11] [12] The theoretical mAh of a 3.7 V battery power bank with 5 V output is 74% of the battery mAh rating. The RavPower RP-PB41 with advertised capacity of 26,800 mAh that was evaluated in the journal has a theoretical capacity is 19,832 mAh, although the delivered capacity was 15,682 mAh, 78% of theoretical value.

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