Battery Life Calculator

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Battery Life Calculator
< 1 mins read

This is the battery life calculator. This means, with the help of this calculator you can know how long the battery can provide power to your device.

Battery Life Calculator

How to use the calculator?

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  • 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.

How to calculate Battery Life?

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

Formula to Calculate Battery Life

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 life would be 14 hours considering the consumption rate as 0.7.

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