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Watt = ampere x volt. So if you know the voltage, you can convert amperes to watts or vice versa. If not, you don't have enough information.

AnswerThe ampere hour (A.h) is a unit of measurement for electric charge (the SI unit being a coulomb).

The watt hour (W.h) is a unit of measurement for electrical energy (the SI unit being a joule).

In the case of cells and batteries, if you multiply its capacity (in ampere hours) by the voltage, then you'll have its capacity in watt hours.

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Related Questions

What is the electrical abbreviation mAh?

milliamphere Hour or one-thousandth of an ampere-hour


How long will a battery 12 ampere-hour rating supply 144 watt load?

An ampere-hour rating is a relatavistic indication of how long a battery can supply a specific current.It is not possible to determine the run time when you only gave watts, but watts are volts times amps, and you did not supply the volts.


What does WHr in battery mean?

It might mean watt-hour, an energy unit (equal to a joule) - although the energy capacity of batteries is more commonly expressed in ampere-hours (which technically is only an energy once you multiply it with the voltage). It might also be part of some code.


What is an Ampere hour?

An ampere hour (A.h) is a non-SI unit of measurement for electrical charge (the SI unit is a coulomb-which is equivalent to an 'ampere second'). So an ampere hour is equivalent to 3600 coulombs.Cells and batteries are generally rated in terms of ampere hours, as a convenient alternative to the kilocoulomb.


How much are 5400 Milli ampere hour in ampere hour?

There is a thousand milliamps in an amp. So it would be 5.4AH.


1 watt hour equals how many watts?

1 watt-hour equals 1 watt times 1 hour, or 3600 joules.


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How many kilowatts per hour produce 10 MW?

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How many amperes a 1.5 ton ac consumes in 1 hour?

I am not sure what you mean, but ampere is a unit of current, not of energy. In the case of a constant current, if the current is 1 ampere in a second, it will be 1 ampere in an hour, or in a day.


How long is a watt hour?

A watt hour is a unit of energy, not time -so you cannot ask how 'long' it is. The time taken to consume a watt hour of energy depends upon the rate (i.e. the power) at which it is consumed, expressed in watts. A watt hour is defined as the amount of energy consumed, over a period of one hour, at the rate of one watt.


Define coulomb in terms of ampere?

In SI, the coulomb is a special name given to an ampere second, in much the same way that a watt is a special name for a joule per second.


What does it cost to charge a battery?

If the national average cost of consumer electricity is 13 cents per kilowatt hour and you are attempting to charge a 12 volt 70 amp hour car battery, then the cost of charging the battery may be calculated. The battery is imperfect and will require about a third more than its ampere hour rating to fully charge it. Assume it will take 100 ampere hours to charge the 70 ampere hour battery. At a charge voltage is necessarily above the battery voltage, usually at about 16 volts, and 100 ampere hours, the result is 1600 watt hours or 1.6 KWH The cost is then 20.8 cents to charge the battery calculated from 1.6 KWH times 13 cents per KWH.