Battery Calculator

Battery Life = Battery Capacity in mAh / Load Current in mA * 0.70

*The factor of 0.7 makes allowances for external factors which can affect battery life.

Runtime = (10 * Ampere Hours) / Load in Watts

1.Battery Life

Battery Capacity:

mAh

Device Consumption:

mA  

Consumption Rate:

       

Estimated Hours:

=     

2.Calculating Runtime

Ampere Hours:

Ah   

Load in Watts:

W    

Runtime:

=     

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