AA battery

noun

ˈdə-bəl-ˈā- 

variants or less commonly AA cell or AA

plural AA batteries also AA cells or AAs

: 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

Examples of AA battery in a Sentence

Recent Examples on the Web

The candles each require two AA batteries and can be conveniently operated with the remote control that has both timer modes and adjustable brightness settings. — Alicia Geigel, Southern Living, 19 Aug. 2026

The mouse has several customizable side buttons for convenient shortcuts, and one AA battery lasts for up to 24 months. — George Yang, PC Magazine, 17 Aug. 2026

The sensor can be installed on both wood and metal surfaces and runs on two AA batteries. — Paul Lamkin, Forbes.com, 10 Aug. 2026

Car batteries are not too dissimilar to the AA batteries in your TV’s remote control. — Cody Godwin, USA Today, 22 July 2026

Word History

First Known Use

1961, in the meaning defined above

Rhymes for AA battery

• flattery
• slattery