Knowledge base · practical guide
Laptop battery drains quickly: wear, settings or a fault?
A battery that runs down quickly can be worn, but screen brightness, background apps, cooling or Windows settings may also contribute.
Signs of a battery problem
- The charge percentage drops in large, unexpected steps.
- The laptop charges for a long time but runs only briefly.
- Windows reports a battery issue, or the laptop works only with its charger.
Things you can check
- Lower screen brightness and close apps you do not need.
- Check Windows battery information for a substantial capacity loss.
- Notice whether the problem changes with a different charger, if one is suitable for your model.
When to stop using it
- If the battery is swollen, unusually hot or smells strange, stop using and charging the laptop. Do not press or open the battery.
- A clearly worn battery may need replacement; the exact part depends on the laptop model.