amp-hour

noun

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

Examples of amp-hour 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.
Batteries Samsung has increased the energy density of the 21700 cells employed in Rivian’s Standard Pack and Max Pack batteries from 50 amp-hours per cell to 53 amp-hours. Dan Carney, Popular Science, 12 June 2024 For both tests, DC discharge in amp-hours must be measured. Evan Williams, Ars Technica, 2 Jan. 2024 Milwaukee claims the pole saw’s 8 Ah (amp-hour) batteries offer more power, allowing the machine to run for longer time periods, but the run times are not listed on the website. Nor'adila Hepburn, Better Homes & Gardens, 25 Sep. 2023 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

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.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/amp-hour. Accessed 23 Dec. 2024.

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