This battery life reference table shows the estimated battery life for a range of battery capacity values, assuming a device current draw of 200 mA and an efficiency factor of 7%. Every figure is computed with the same engine that powers our Battery Life Calculator, so the numbers are exact.
| Battery capacity | Estimated battery life |
|---|---|
| 750 mAh | 2.63 |
| 1,500 mAh | 5.25 |
| 2,300 mAh | 8.05 |
| 3,000 mAh | 10.50 |
| 4,500 mAh | 15.75 |
| 6,000 mAh | 21.00 |
| 9,000 mAh | 31.50 |
| 15,000 mAh | 52.50 |
| 21,000 mAh | 73.50 |
| 30,000 mAh | 105.00 |
How to use this table
Find the row closest to your battery capacity and read across to the estimated battery life. For a value between two rows, the real figure sits between them — or enter your exact numbers in the Battery Life Calculator for a precise answer.
Need a value that is not in the table? — the Battery Life Calculator does it instantly, for free, with the formula and a worked example built in.
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