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Ampere-Hour

Ampere-Hour Ampere-hour is a notion related to electric accumulator service. It is a special unit of an electrical charge. One ampere-hour is a charge transmitted via conductor cross section per 1 hour with 1А current. Charged 1A/h battery may theoretically provide 1A current per 1 hour. Practically, too high battery discharge current may decrease energy output. It decreases operating time of a current and may result in overheating. Milliampere-hour is a derived unit widely used to specify capacity of small batteries. Ampere-hour value may be reduced to Coulomb in-system unit of charge. Since 1 Coulomb is equal to 1 Ampere-second, we may calculate that 1 Amper-hour will be equal to 3000 Coulomb. Some battery manufacturers specify values only in Milliampere-hour, while other manufacturers specify values in Watt-hour. If you know voltage, you may reduce Milliampere-hour to Watt-hour according to the formula.