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  2. Button cell - Wikipedia

    en.wikipedia.org/wiki/Button_cell

    Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.

  3. Lithium metal battery - Wikipedia

    en.wikipedia.org/wiki/Lithium_metal_battery

    CR2032 lithium button cell battery Lithium 9 volt, AA, and AAA sizes. The top object is a battery of three lithium-manganese dioxide cells; the bottom two are lithium-iron disulfide cells and are compatible with 1.5-volt alkaline cells. Lithium metal batteries are primary batteries that have metallic lithium as an anode.

  4. Casio fx-7000G - Wikipedia

    en.wikipedia.org/wiki/Casio_fx-7000G

    The Casio Fx-7000G needs a 9.0 volt DC current lithium battery supply provided by 3 CR2032 type cells. The calculator does not accept an AC adapter and only uses batteries. The average battery life is around 120 hours which is shorter in length compared to similar models. [2]

  5. Nonvolatile BIOS memory - Wikipedia

    en.wikipedia.org/wiki/Nonvolatile_BIOS_memory

    The memory battery (aka motherboard, CMOS, real-time clock (RTC), clock battery) [2] [10] is generally a CR2032 lithium coin cell.This cell battery has an estimated life of three years when power supply unit (PSU) is unplugged or when the PSU power switch is turned off. [11]

  6. TrackR - Wikipedia

    en.wikipedia.org/wiki/TrackR

    The device contains a lithium battery that needs to be changed about once a year by the user. ... CR2032 Battery life 2 years 1 year 1 year 1 year 1 year Battery ...

  7. The best Bluetooth trackers for finding lost stuff in 2025 ...

    www.aol.com/lifestyle/the-best-bluetooth...

    Battery life (and type) varies as well. So read on for our top picks, then keep reading to learn how we tested the trackers and what features are most important. Best Bluetooth tracker overall

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