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Battery Life Estimator

Predict device runtime from mAh capacity and average power draw.

Calculate from Current Draw

Use this if you know the average current your device consumes.

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Battery Life Estimator

Predict device runtime from mAh capacity and average power draw.

How to use Battery Life Estimator

Step-by-step guide to using the Battery Life Estimator:

  1. Enter your values. Input the required values in the calculator form
  2. Calculate. The calculator will automatically compute and display your results
  3. Review results. Review the calculated results and any additional information provided

Frequently asked questions

How do I use the Battery Life Estimator?

Simply enter your values in the input fields and the calculator will automatically compute the results. The Battery Life Estimator is designed to be user-friendly and provide instant calculations.

Is the Battery Life Estimator free to use?

Yes, the Battery Life Estimator is completely free to use. No registration or payment is required.

Can I use this calculator on mobile devices?

Yes, the Battery Life Estimator is fully responsive and works perfectly on mobile phones, tablets, and desktop computers.

Are the results from Battery Life Estimator accurate?

Yes, our calculators use standard formulas and are regularly tested for accuracy. However, results should be used for informational purposes and not as a substitute for professional advice.