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  2. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A Battery: Eveready 742: 1.5 V: Metal tabs H: 101.6 L: 63.5 W: 63.5 Used to provide power to the filament of a vacuum tube. B Battery: Eveready 762-S: 45 V: Threa­ded posts H: 146 L: 104.8 W: 63.5 Used to supply plate voltage in vintage vacuum tube equipment. Origin of the term B+ for plate voltage power supplies.

  3. CR-V3 battery - Wikipedia

    en.wikipedia.org/wiki/CR-V3_battery

    A CR-V3 battery (sometimes CRV3) is a type of disposable high-capacity 3-volt battery used in various electronic appliances, including some digital cameras. It has the shape and size of two side-by-side AA batteries. [1] This allows CR-V3 batteries to function in many (though not all) devices originally designed for only AA batteries.

  4. Reference designator - Wikipedia

    en.wikipedia.org/wiki/Reference_designator

    A reference designator unambiguously identifies the location of a component within an electrical schematic or on a printed circuit board.The reference designator usually consists of one or two letters followed by a number, e.g. C3, D1, R4, U15.

  5. Pocket Ref - Wikipedia

    en.wikipedia.org/wiki/Pocket_Ref

    Pocket Ref is a general-purpose pocket-sized reference book composed of various tips, tables, maps, formulas, constants and conversions, compiled by Thomas J. Glover. [1] It is published by Sequoia Publishing, and is currently in its fourth edition at 864 pages in length, released in late 2010.

  6. Voltage reference - Wikipedia

    en.wikipedia.org/wiki/Voltage_reference

    The most common voltage reference circuit used in integrated circuits is the bandgap voltage reference. A bandgap-based reference (commonly just called a 'bandgap') uses analog circuits to add a multiple of the voltage difference between two bipolar junctions biased at different current densities to the voltage developed across a diode. The ...

  7. Lead–acid battery - Wikipedia

    en.wikipedia.org/wiki/Lead–acid_battery

    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 surge currents.

  8. IUoU battery charging - Wikipedia

    en.wikipedia.org/wiki/IUoU_battery_charging

    In practice, it depends on the capability of the charger. The battery capacity C is expressed in Ah units, typically the C 20 value based on a 20-hour discharge time. [3] The charging current (in A units) can be written as C/t where t is a time. For example, for a battery with C = 40 Ah, a current C/10 is equal to 4 A. The charging current is a ...

  9. Talk:List of battery sizes/Archive 1 - Wikipedia

    en.wikipedia.org/wiki/Talk:List_of_battery_sizes...

    There's a zillion manufacturers out there but they all cross-reference their coin cells to the IEC sizes, so we don't have to. I'd like to copy over the IEC naming convention paragraph from button cell , expand the table a tad based on the tables in Chapter 4 of "Handbook of Batteries", and stick it in here; that should explain the prefixes ...

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