watt-hour
noun
: a unit of work or energy equivalent to the power of one watt operating for one hour
Examples of watt-hour in a Sentence
Recent Examples on the Web
Each battery brings 48 volts, 17.5 ampere-hours, and 840 watt-hours.
—
IEEE Spectrum, 16 Feb. 2024
Ijaz: Our target density at a cell level is around 430 watt-hours per liter.
—IEEE Spectrum, 5 Jan. 2024
Despite this bigger, brighter, and higher-refresh screen, the OLED model touts 30–50 percent more battery life with a 50 watt-hour battery, versus the original 40 Whr.
—Kevin Purdy, Ars Technica, 9 Nov. 2023
For low-income households and homeowners in areas with high fire risk or multiple blackouts, the incentive rises to 85 cents per watt-hour, enough to cover most of the cost of a battery.
—Jon Healey, Los Angeles Times, 7 Aug. 2023
This puts it in shooting distance of lower-end conventional batteries such as lithium-iron phosphate cells, which have energy densities around 100 watt-hours per kilogram and are already used for short-range electric vehicles.
—Daniel Oberhaus, Popular Mechanics, 8 May 2023
By the end of this year, Asp and his team hope to produce a structural-battery panel capable of achieving 75 watt-hours per kilogram.
—Daniel Oberhaus, Popular Mechanics, 8 May 2023
The addition of silicon processing costs less than $2 per kilowatt-hour, and produces batteries with energy densities of 350 watt-hours per kilogram and 80 percent charging in under 10 minutes.
—IEEE Spectrum, 4 May 2023
The Steam Deck’s processor runs at just half that and can typically make it to the two-hour mark in all but the most demanding games with its 40 watt-hour battery.
—Sean Hollister, The Verge, 25 Apr. 2023
IEEE Spectrum, 16 Feb. 2024
Ijaz: Our target density at a cell level is around 430 watt-hours per liter.
—IEEE Spectrum, 5 Jan. 2024
Despite this bigger, brighter, and higher-refresh screen, the OLED model touts 30–50 percent more battery life with a 50 watt-hour battery, versus the original 40 Whr.
—Kevin Purdy, Ars Technica, 9 Nov. 2023
For low-income households and homeowners in areas with high fire risk or multiple blackouts, the incentive rises to 85 cents per watt-hour, enough to cover most of the cost of a battery.
—Jon Healey, Los Angeles Times, 7 Aug. 2023
This puts it in shooting distance of lower-end conventional batteries such as lithium-iron phosphate cells, which have energy densities around 100 watt-hours per kilogram and are already used for short-range electric vehicles.
—Daniel Oberhaus, Popular Mechanics, 8 May 2023
By the end of this year, Asp and his team hope to produce a structural-battery panel capable of achieving 75 watt-hours per kilogram.
—Daniel Oberhaus, Popular Mechanics, 8 May 2023
The addition of silicon processing costs less than $2 per kilowatt-hour, and produces batteries with energy densities of 350 watt-hours per kilogram and 80 percent charging in under 10 minutes.
—IEEE Spectrum, 4 May 2023
The Steam Deck’s processor runs at just half that and can typically make it to the two-hour mark in all but the most demanding games with its 40 watt-hour battery.
—Sean Hollister, The Verge, 25 Apr. 2023
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'watt-hour.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near watt-hour
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“Watt-hour.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/watt-hour. Accessed 19 Apr. 2024.
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