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
The massage soothes the baby by stimulating digestion at home or during travel and operates on two AA batteries.
—
Bestreviews, Chicago Tribune, 22 Jan. 2026
The tree measures 18 inches tall and requires three AA batteries.
—Michele Laufik, Martha Stewart, 12 Jan. 2026
The unit features a 5VA flame-retardant housing built to withstand high temperatures, along with AA battery backup to maintain protection during power outages.
—New Atlas, 25 Dec. 2025
Two AA batteries and a simple push of a button make café-quality coffee right at home.
—Rebecca Jones, Southern Living, 21 Dec. 2025
See All Example Sentences for AA battery
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Bestreviews, Chicago Tribune, 22 Jan. 2026
The tree measures 18 inches tall and requires three AA batteries.
—Michele Laufik, Martha Stewart, 12 Jan. 2026
The unit features a 5VA flame-retardant housing built to withstand high temperatures, along with AA battery backup to maintain protection during power outages.
—New Atlas, 25 Dec. 2025
Two AA batteries and a simple push of a button make café-quality coffee right at home.
—Rebecca Jones, Southern Living, 21 Dec. 2025
See All Example Sentences for AA battery
Cite this Entry
“AA battery.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/AA%20battery. Accessed 30 Jan. 2026.
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