Battery Life Calculator
Estimate how long your battery will last based on its capacity and your device's power consumption.
Battery Life Calculator
Calculate how long your battery will last
Calculate Your Battery Life
Estimate how long your battery will last based on its capacity and your device's power consumption.
Battery Life Formula
For example: 2000 mAh battery / 100 mA consumption = 20 hours
Estimated Battery Life
Note: This calculator provides an estimate only. Real-world battery life can be affected by temperature, discharge rate, battery age, and other factors.
About Battery Life Calculation
This battery life calculator estimates how long a battery will last, based on nominal battery capacity and the average current that a load is drawing from it. Battery capacity is typically measured in Amp-hours (Ah) or milliamp-hours (mAh), although Watt-hours (Wh) is occasionally used.
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