The AAAA

battery Battery most often refers to: * Electric battery, a device that provides electrical power * Battery (crime), a crime involving unlawful physical contact Battery may also refer to: Energy source *Automotive battery, a device to provide power t ...

(usually read as ''quadruple-A'') is 42.5 mm long and 8.3 mm in diameter. The alkaline cell weighs around 6.5 g and produces 1.5 V. This size battery is also classified as R8D425 (

IEC The International Electrotechnical Commission (IEC; in French: ''Commission électrotechnique internationale'') is an international standards organization that prepares and publishes international standards for all electrical, electronic and r ...

) and 25 (

ANSI The American National Standards Institute (ANSI ) is a private non-profit organization that oversees the development of voluntary consensus standards for products, services, processes, systems, and personnel in the United States. The organi ...

/ NEDA). The alkaline battery in this size is also known by

Duracell Duracell Inc. is an American manufacturer of alkaline batteries, specialty cells, rechargeables and smart power systems, owned by Berkshire Hathaway. The company has its origins in the 1920s, through the work of Samuel Ruben and Philip Mallory, ...

type number MN2500 or MX2500 and

Energizer Energizer Holdings, Inc. is an American manufacturer and one of the world's largest manufacturers of batteries, headquartered in St. Louis, Missouri. It produces batteries under the Energizer, Ray-O-Vac, Varta, and Eveready brand names, and for ...

type number E96.

History

Energizer created the first AAAA battery in 1989, pressured by environmental initiatives to eliminate added mercury in batteries. Now most big battery manufactures (Energizer, Duracell), sell AAAA batteries.

Types

Uses

This battery size is most often used in small devices such as

laser pointer A laser pointer or laser pen is a small handheld device with a power source (usually a battery) and a laser diode emitting a very narrow coherent low-powered laser beam of visible light, intended to be used to highlight something of interest by ...

s, LED penlights,

powered computer stylus An active pen (also referred to as active stylus) is an input device that includes electronic components and allows users to write directly onto the display of a computing device such as a smartphone, tablet computer or ultrabook. The active pen ...

es,

glucose meters A glucose meter, also referred to as a "glucometer", is a medical device for determining the approximate concentration of glucose in the blood. It can also be a strip of glucose paper dipped into a substance and measured to the glucose chart. ...

, and small

headphone amplifier A headphone amplifier is a low-powered audio amplifier designed particularly to drive headphones worn on or in the ears, instead of loudspeakers in speaker enclosures. Most commonly, headphone amplifiers are found embedded in electronic devices th ...

s, with

Microsoft Microsoft Corporation is an American multinational technology corporation producing computer software, consumer electronics, personal computers, and related services headquartered at the Microsoft Redmond campus located in Redmond, Washing ...

Surface Pen The Surface Pen is an active stylus and digital pen developed by Microsoft for its series of Surface computing devices. It is designed to showcase the pen computing capabilities of Microsoft's Windows 8/8.1 and Windows 10 operating systems. Fir ...

the most prominent product taking AAAA batteries. These batteries are not as popular as

AAA AAA, Triple A, or Triple-A is a three-letter initialism or abbreviation which may refer to: Airports * Anaa Airport in French Polynesia (IATA airport code AAA) * Logan County Airport (Illinois) (FAA airport code AAA) Arts, entertainment, and me ...

or AA type batteries, and consequently are not as commonly available. Some models of alkaline

nine-volt battery The nine-volt battery, or 9-volt battery, is an electric battery that supplies a nominal voltage of 9 volts. Actual voltage measures 7.2 to 9.6 volts, depending on battery chemistry. Batteries of various sizes and capacities are manufactured; ...

contain six LR61 cells connected by welded tabs. These cells are similar to AAAA cells and can be used in their place in some devices, even though they are shorter.

References

External links

Technical drawing of AAAA alkaline battery, based on ANSI specifications
{{DEFAULTSORT:Aaaa Battery Battery shapes

History

Types

Uses

See also

References

External links