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  2. Comparison of commercial battery types - Wikipedia

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

    Specific power Cost ... NiCd vs. NiMH vs. Li-ion vs. Li–polymer vs. LTO. Types Cell Voltage Self-discharge Memory Cycles Times Temperature Weight

  3. Nickel–metal hydride battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–metal_hydride_battery

    A nickel–metal hydride battery (NiMH or Ni–MH) is a type of rechargeable battery. The chemical reaction at the positive electrode is similar to that of the nickel–cadmium cell (NiCd), with both using nickel oxide hydroxide (NiOOH). However, the negative electrodes use a hydrogen-absorbing alloy instead of cadmium.

  4. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A common size for cells inside cordless tool battery packs. This size is also used in radio-controlled scale vehicle battery packs and some Soviet multimeters. 1 ⁄ 2-, 4 ⁄ 5 - and 5 ⁄ 4-sub-C sizes (differing in length) are also available. Soviet 332 type can be replaced with R10 (#4, 927, BF, U8) or 1.5 V elements from 3 V 2xLR10 packs ...

  5. AA battery - Wikipedia

    en.wikipedia.org/wiki/AA_battery

    Panasonic Eneloop 1.2 volt NiMH rechargeable cells in AA and AAA. Rechargeable batteries in the AA size are available in multiple chemistries: nickel–cadmium (NiCd) with a capacity of roughly 600–1,000 mAh, [12] nickel–metal hydride (NiMH) in various capacities of 600–2,750 mAh [13] [14] and lithium-ion. NiCd and NiMH provide 1.2 V ...

  6. AAA battery - Wikipedia

    en.wikipedia.org/wiki/AAA_battery

    AAA batteries showing both alkaline (LR03) and zinc (R03) versions D, C, AA, AAA, AAAA, 9-Volt batteries The AAA battery (or triple-A battery ) is a standard size of dry cell battery . One or more AAA batteries are commonly used in low-drain portable electronic devices.

  7. 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.

  8. Eneloop - Wikipedia

    en.wikipedia.org/wiki/Eneloop

    Panasonic's fourth-generation Eneloop batteries, in AA and AAA sizes Panasonic Eneloop Smart & Quick Charger BQ-CC55 Sanyo Eneloop battery charger. Eneloop (Japanese: エネループ, Hepburn: Enerūpu), stylized as eneloop, is a brand of 1.2-volt low self-discharge nickel–metal hydride (NiMH) rechargeable batteries and accessories developed by Sanyo [1] and introduced in 2005.

  9. Nickel–hydrogen battery - Wikipedia

    en.wikipedia.org/wiki/Nickel–hydrogen_battery

    A nickel–hydrogen battery (NiH 2 or Ni–H 2) is a rechargeable electrochemical power source based on nickel and hydrogen. [5] It differs from a nickel–metal hydride (NiMH) battery by the use of hydrogen in gaseous form, stored in a pressurized cell at up to 1200 psi (82.7 bar) pressure. [6]

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