Battery Health FAQ

For most users, checking battery health every 3-6 months is sufficient. If you notice significant changes in battery life, use CheckBatteryHealth to check more frequently.

A battery health above 80% is considered good. Between 60-80% indicates normal aging, while below 60% suggests it may be time to consider a replacement for optimal performance.

To extend battery life: keep charge between 20-80% when possible, avoid extreme temperatures, reduce screen brightness, and close unnecessary background apps.

Yes, keeping your laptop constantly at 100% charge can degrade battery health over time. Consider using battery saver modes or charge-limiting features if available.

CheckBatteryHealth's battery health reports are generally accurate but may vary slightly. For best results, run the test when your battery is between 20-80% charge.

This depends on your laptop model. Many modern laptops have sealed batteries requiring professional replacement, while others allow user-replaceable batteries. Check your manufacturer's guidelines.

Battery calibration helps your device accurately report battery levels. It involves fully charging, discharging, and recharging to 100%. This should only be done occasionally.

Fast battery drain can be caused by high screen brightness, background apps, outdated software, or an aging battery. Use CheckBatteryHealth's analyzer to identify if your battery is the issue.