Battery Runtime Calculator

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Battery Runtime
< 1 min read

Last Updated on February 19, 2021 by Krunal Shah (Mod)

This is the battery runtime calculator. This means, how long the battery can provide power to your device.

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How to use the calculator?

  • For this calculator, enter the battery capacity in mAh.
  • Know the device consumption and enter the value in mA.
  • Enter the consumption rate. If you do not know the consumption rate, enter the value as ‘0.7’.
  • The calculator would show automatically the calculated value.

Formula to Calculate Battery Runtime

You can calculate the battery runtime with help of the following formula:

Battery runtime = (Battery capacity in mAh / Load current consumption in mA) X Consumption rate

Example: Let us say you have a 10000 mAh battery. The load is drawing 500 mA current. The battery runtime would be 14 hours considering the consumption rate as 0.7.

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