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  2. 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 ...

  3. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    These are also sometimes known as B batteries, but are very distinct from actual B cell batteries. 30-volt: Eveready 413: 20F20 (Zn/MnO 2) 210: 140: 30 V (20 cells) Flat round (one each end) H: 64 L: 25 W: 15 Used in older instruments. [248] These were sometimes sold as B batteries for hearing aids and small radios. 45-volt: Eveready 415: 30F20 ...

  4. A23 battery - Wikipedia

    en.wikipedia.org/wiki/A23_battery

    A23 batteries are constructed of eight individual LR932 alkaline button cells enclosed in a wrapper. The A23 battery is close in size to the N battery , which has a voltage of 1.25 V to 1.5 V. It is also similar to the A27 battery , which has the same 12 V nominal voltage and almost the same length but is smaller in diameter by about 20%.

  5. Battery nomenclature - Wikipedia

    en.wikipedia.org/wiki/Battery_nomenclature

    Lithium-ion batteries have a different rule for naming, which applies both to batteries of multiple cells and single cell. They will be designated as: [13] N 1 A 1 A 2 A 3 N 2 /N 3 /N 4-N 5. where N 1 denotes number of series connected cells and N 5 denotes number of parallel connected cells (only when the number is greater than 1); these ...

  6. Battery holder - Wikipedia

    en.wikipedia.org/wiki/Battery_holder

    Battery holders may have a lid to retain and protect the batteries or may be sealed to prevent damage to circuitry and components from battery leakage. Coiled spring wire or flat tabs that press against the battery terminals are the two most common methods of making the electrical connection inside a holder.

  7. Primary battery - Wikipedia

    en.wikipedia.org/wiki/Primary_battery

    A variety of standard sizes of primary cells. From left: 4.5V multicell battery, D, C, AA, AAA, AAAA, A23, 9V multicell battery, (top) LR44, (bottom) CR2032 A primary battery or primary cell is a battery (a galvanic cell) that is designed to be used once and discarded, and it is not rechargeable unlike a secondary cell (rechargeable battery).

  8. Lithium metal battery - Wikipedia

    en.wikipedia.org/wiki/Lithium_metal_battery

    Lithium-ion battery Curve of price and capacity of lithium-ion batteries over time; the price of these batteries declined by 97% in three decades.. Lithium is the alkali metal with lowest density and with the greatest electrochemical potential and energy-to-weight ratio.

  9. File:Batteries comparison 4,5 D C AA AAA AAAA A23 9V CR2032 ...

    en.wikipedia.org/wiki/File:Batteries_comparison...

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