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The full battery designation identifies not only the size, shape and terminal layout of the battery but also the chemistry (and therefore the voltage per cell) and the number of cells in the battery. For example, a CR123 battery is always LiMnO 2 ('Lithium') chemistry, in addition to its unique size.
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.
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Energizer Holdings, Inc. is an American manufacturer and one of the world's largest manufacturers of batteries, headquartered in Clayton, Missouri. [2] [3] [4] It produces batteries under the Energizer, Ray-O-Vac, Varta, and Eveready brand names and formerly owned several personal care businesses until it separated that side of the business into a new company called Edgewell Personal Care in 2015.
Spectrum manufactured and sold batteries under the Rayovac and Varta brand names, until it sold its battery division to long-time Rayovac competitor Energizer in January 2018. [6] In November 2018, the company sold their global auto care division (brands which included Armor All , STP , and A/C Pro) to Energizer as well.
Under certain conditions, some battery chemistries are at risk of thermal runaway, leading to cell rupture or combustion. As thermal runaway is determined not only by cell chemistry but also cell size, cell design and charge, only the worst-case values are reflected here. [64]
The Energizer logo used by Pep Boys is similar to the 1980s-era logo first used with the consumer dry cell batteries. Both Eveready and Energizer are marketed as different brands in some markets in Asia. This has led to the availability of both "Eveready Gold" Alkaline batteries and Energizer Alkaline batteries on store shelves.
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