Battery life calculator
Enter the capacity and the average current.
Result
A 2000 mAh battery at 500 mA lasts about 4 hours.
Example
Estimate how long a battery lasts from capacity and current draw.
A 2000 mAh battery at 500 mA lasts about 4 hours.
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Methodology
hours = capacity in mAh / current in mA.
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