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Battery Capacity Calculator

Battery Capacity in milli-Amp-Hour (mAH) Calculator

Battery Capacity Calculator

Formula and Equations for Battery Capacity Calculator

Battery Capacity in mAh = (Battery life in hours x Load Current in Amp) / 0.7

Battery Capacity = (Hours x Amp) / Run Time %


  • Battery Capacity = in mAH (milli Ampere hours)
  • Battery life = in Hours
  • Load Current = Consumption of device in Amperes
  • 0.7 = Battery Cycle life considerations (Run Time)

Note: In an ideal case, the battery capacity formula would be;

Battery Capacity = Battery Life in Hours x Battery Amp

Related Posts:

Battery Capacity Rating Calculator

Enter value, And click on calculate. Result will shows the required quantity.

Enter Values:
Battery Life : Hours
Load Current (Consumption of Device): mA
Battery Capacity Rating: mAh ( Milli-Ampere Hours)

Related Calculators:

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One Comment

  1. Acalu Fayera says:

    Thanks for you interest

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