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  2. Battery charger - Wikipedia

    en.wikipedia.org/wiki/Battery_charger

    A mobile phone plugged in to an AC adapter for charging. A battery charger, recharger, or simply charger, [ 1][ 2] is a device that stores energy in an electric battery by running current through it. The charging protocol—how much voltage, current, for how long and what to do when charging is complete—depends on the size and type of the ...

  3. Mercury battery - Wikipedia

    en.wikipedia.org/wiki/Mercury_battery

    Mercury battery. A mercury battery (also called mercuric oxide battery, mercury cell, button cell, or Ruben-Mallory[ 1]) is a non-rechargeable electrochemical battery, a primary cell. Mercury batteries use a reaction between mercuric oxide and zinc electrodes in an alkaline electrolyte. The voltage during discharge remains practically constant ...

  4. Electric battery - Wikipedia

    en.wikipedia.org/wiki/Electric_battery

    An electric battery is a source of electric power consisting of one or more electrochemical cells with external connections [1] for powering electrical devices. When a battery is supplying power, its positive terminal is the cathode and its negative terminal is the anode. [2] The terminal marked negative is the source of electrons that will ...

  5. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    12.5 × 2.0 Used in keychain LED flashlights, and in some digital cameras to keep the time and date function running even when the main battery is taken out of the camera. [146] [147] CR1225: 5020LC: 50: 0.2: 12.5 × 2.5 Maximum discharge current: 1 mA. Maximum pulse discharge current: 5 mA. CR1616: 50–55: 0.1: 16 × 1.6

  6. Lead-acid battery - Wikipedia

    en.wikipedia.org/wiki/Lead-acid_battery

    Min. −35°C, max. 45°C. The lead-acid battery is a type of rechargeable battery first invented in 1859 by French physicist Gaston Planté. It is the first type of rechargeable battery ever created. Compared to modern rechargeable batteries, lead-acid batteries have relatively low energy density. Despite this, they are able to supply high ...

  7. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    Nominal cell voltage. 3.6 / 3.7 / 3.8 / 3.85 V, LiFePO4 3.2 V, Li4Ti5O12 2.3 V. A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are ...

  8. Comparison of commercial battery types - Wikipedia

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

    2.32.4 [45] 2.8 [45] 0.22–0.40 (60–110) 0.64 (177) 3,000– 5,100 [46] 0.39 (2539) [46] 85 [46] 2–5 [46] 10–20 [46] Lithium cobalt oxide: LiCoO 2 ICR LCO Li‑cobalt [47] Graphite ‡ LiPF 6 / LiBF 4 / LiClO 4: Lithium cobalt oxide: Yes 1991 [48] 2.5 [49] 3.7 [50] 4.2 [49] 0.70 (195) [50] 2.0 (560) [50] 2.21 (453) [1] Lithium iron ...

  9. ‘I’ve had 16 free batteries’: This Florida woman used ...

    www.aol.com/finance/ve-had-16-free-batteries...

    Though Veitch put in the work to keep Chariot running smoothly, she also smartly bought parts with lifetime guarantees. She once paid $13 for a 6,000-mile checkup thanks to these guarantees. That ...

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