2/1/2022

4a Battery

D, C, AA, AAA, AAAA, 9-Volt batteries

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The AAAAbattery (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) [1] and 25 (ANSI/NEDA). The alkaline battery in this size is also known by Duracell type number MN2500 or MX2500 and Energizer type number E96.

Types[edit]

Zinc–carbonAlkalineNiCdNiMHLi-Ion[2][3]
IEC nameR8D425LR8D425KR8D425HR8D425
ANSI/NEDA name25D25A
Typical capacity300 mAh500–600 mAh325–500 mAh160–170 mAh
Nominal voltage1.50 V1.50 V1.25 V1.25 V3.7 V

Uses[edit]

The opening of a 9-volt battery to reveal six LR61 cells, which are similar to AAAA cells.

This battery size is most often used in small devices such as laser pointers, LED penlights, powered computer styluses, glucose meters, and small headphone amplifiers. These batteries are not as popular as AAA or AA type batteries, and consequently are not as commonly available.

4a Battery

Some models of alkaline nine-volt battery contain six LR61 cells[4] 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 3.5 millimetres (0.14 in) shorter.

See also[edit]

References[edit]

Battery
  1. ^IEC 60086-2-2011 p.15
  2. ^'Miniature Rechargeable Series'(PDF). GP Batteries. Archived from the original(PDF) on 6 December 2011. Retrieved 28 November 2011.CS1 maint: discouraged parameter (link)
  3. ^'GP Rechargeable Batteries'. GP Batteries. Archived from the original(Web) on 7 March 2012. Retrieved 28 November 2011.CS1 maint: discouraged parameter (link)
  4. ^Jostes, Dr. Rainer. 'MSDS 03 alkaline manganese cylindrical'(PDF). VARTA. Retrieved 2014-02-08.CS1 maint: discouraged parameter (link)

External links[edit]

4a Battery Walmart

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