• A unit of quantity of electricity equivalent to the charge accumulated by a steady flow of one ampere for one hour. An ampere-hour is equal to exactly 3600 coulombs, and is often utilized to state the capacity of a storage battery. It has various abbreviations, depending on the standard used, the most prevalent being Ah. Others include amp-hr, Ahr, or A-h.
  • abbreviation A-h
  • abbreviation Ahr
  • abbreviation amp-hr

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