AA battery

noun

: a battery that is typically used in small electronic devices and that is standardized at 51 mm in length and roughly 14 mm in diameter

called also AA, AA cell, double-A, double-A battery

Examples of AA battery in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
To put that in perspective, that’s about the same weight as a four-pack of AA batteries. — Mack Degeurin, Popular Science, 2 July 2026 Two AA batteries and a simple push of a button make café-quality coffee right at home. — Rebecca Jones, Southern Living, 21 Dec. 2025 It’s powered by two AA batteries and comes with either a stand or the ability to mount it onto the wall. — Bestreviews, Mercury News, 29 Apr. 2026 Four AA batteries power the lock for up to a year, with low-battery alerts to prevent surprise lockouts. — Stackcommerce Team, PC Magazine, 22 Apr. 2026 See All Example Sentences for AA battery

Word History

First Known Use

1961, in the meaning defined above

Time Traveler
The first known use of AA battery was in 1961

Rhymes for AA battery

See All Rhymes for AA battery

Browse Nearby Words

AAAS
AA battery
AAC
See all Nearby Words

Cite this Entry

“AA battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AA%20battery. Accessed 8 Jul. 2026.

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