ˈamp-ˈau̇r How to pronounce amp-hour (audio)

Examples of amp-hour in a Sentence

Recent Examples on the Web Your purchase comes with two 24-volt, 4.0 amp-hour batteries and a dual-port charger to juice both batteries simultaneously. Brandon Russell, Popular Mechanics, 14 Aug. 2023 The kit also comes with two 20-volt, 2.0 amp-hour batteries, storage bags, and various accessories. Brandon Russell, Popular Mechanics, 29 Apr. 2023 Follow the trolling motor manufacturer’s instructions for the amp-hours, group, and the number of deep cycle batteries required to power the motors all day. Ric Burnley, Field & Stream, 3 Apr. 2023 The company, whose backers include the Department of Defense, claims to have created the most energy-dense 18650 cylindrical cell yet, at 3.8 amp-hours. IEEE Spectrum, 11 Mar. 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'amp-hour.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1884, in the meaning defined above

Time Traveler
The first known use of amp-hour was in 1884

Dictionary Entries Near amp-hour

Cite this Entry

“Amp-hour.” Dictionary, Merriam-Webster, Accessed 28 Sep. 2023.

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!