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watt-hour |
Also found in: Wikipedia | 0.01 sec. |
watt-hourThe power utilization for one hour measured in watts. Abbreviated "Wh," it is widely used to rate how long it takes for a battery to discharge. For smaller batteries, a milliwatt-hour (mWh) rating is used. For example, a 500 mWh battery means it will release 500 watts at a specific voltage for one hour before it is discharged. See ampere-hour and watt. watt-hour [′wät ¦au̇r] (electricity) A unit of energy used in electrical measurements, equal to the energy converted or consumed at a rate of 1 watt during a period of 1 hour, or to 3600 joules. Abbreviated Wh. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| cents per kilowatt-hour-the more cycles, though, the lower the cost per kilowatthour. 52 cents per kilowatthour and produced 16 percent of the electricity generated in the United States in 1999. That doesn't reflect the marketplace, where it costs more to buy that last kilowatthour than that first one. |
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