Battery Life Calculator
Free Battery Life Calculator — calculate and compare options instantly. No signup required.
Real-World Runtime
10.2 hours
At 85% efficiency
Theoretical Runtime
12.0 hours
Charge Cycles per Week
5.5 cycles
How to Use the Battery Life Calculator
- 1. Enter your values — fill in the input fields with your numbers.
- 2. Adjust settings — use the sliders and selectors to customize your calculation.
- 3. View results instantly — calculations update in real-time as you change inputs.
- 4. Compare scenarios — adjust values to see how changes affect your results.
- 5. Share or print — copy the link, share results, or print for your records.
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