# Battery Life Calculator

> Estimate how long a battery lasts from its capacity and the device's average or sleep and active current, and size series and parallel packs.

- URL: https://prismkit.hippodev.app/en/calculators/battery-life-calculator
- Category: Calculators
- Runs: client-side, no upload

This is an interactive tool — open https://prismkit.hippodev.app/en/calculators/battery-life-calculator to use it.