What Is an Amp-hour?

Jason Fogelson 08/01/2022 8:00am

An amp-hour is the amount of electricity that flows through a conductor in one hour at one ampere or amp. See also Amp, Amperage, Volt, Voltage, Watt, and Wattage.

Amp-hours directly relate to the rate of speed an electric vehicle can charge its battery.

Jason Fogelson

Jason Fogelson is the Managing Editor of Digital Operations for Kelley Blue Book. Jason joined the staff in 2022 following a long career as a freelance automotive journalist and editor for magazines and websites. His first book, “100 Things for Every Gearhead to Do Before They Die,” was published by Reedy Press in 2016. Jason was President of the Motor Press Guild (MPG) for two terms. He's a member of the Automotive Press Association (APA), the Midwest Automotive Media Association (MAMA), and the International Motor Press Association (IMPA), and he serves as a juror for the North American Car, Truck, and Utility of the Year Award (NACTOY). He lives near Ann Arbor, Michigan, with his wife, dog, two cats, motorcycle, and van. He’s always on the hunt for an inexpensive roadster to fill an empty slot in his garage.
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