How to check when it may be time to replace your Samsung Galaxy phone battery

Last Update date : Aug 26. 2026

The battery in your Galaxy device is a consumable component that naturally degrades over time. As battery health decreases, you may notice shorter battery life, unexpected shutdowns, or other abnormal battery behaviour. If you experience these symptoms, check the battery condition on your Galaxy device and consider battery replacement if necessary.

Galaxy phone being charged on a wireless charging pad.

Note:

  • Battery replacement may be covered under warranty or may require paid service depending on the warranty conditions.
  • Menu names, settings, and screen layouts may vary depending on the model and software version.

When to consider replacing the battery

Lithium-ion batteries gradually lose performance over time with continued use. The common signs of battery ageing include:

  • Battery drains quickly after charging
  • The device turns off unexpectedly, especially in cold environments or during winter

These symptoms may indicate that the battery is nearing the end of its lifespan. If you notice these changes, consider checking the battery condition and replacing the battery if necessary.

How to identify battery replacement timing through the alert

When the battery performance significantly declines, your Galaxy device may display a battery performance degradation alert.

A notification pop-up indicating reduced battery performance due to battery ageing. A notification pop-up indicating reduced battery performance due to battery ageing.

If this notification appears, visit a Samsung service centre to have the battery inspected.

You can use Samsung Members Phone diagnostics to check the current battery condition of your Galaxy device.

Samsung Members home screen with the Support tab selected. Samsung Members home screen with the Support tab selected.

Step 1. Open the Samsung Members app > Tap Support.

Samsung Members app Support screen with Get started button highlighted. Samsung Members app Support screen with Get started button highlighted.

Step 2. Tap Get started.

* Start the full diagnostics first, stop the test, and then select the item you want to test.
If the diagnostics page does not open properly, try using the Samsung Internet app.

Phone diagnostics list with the Battery status option selected. Phone diagnostics list with the Battery status option selected.

Step 3. Tap Battery status.

Phone diagnostics results screen showing the Battery status. Phone diagnostics results screen showing the Battery status.

Step 4. Check the diagnostic results.

Note: If you continue experiencing battery-related issues, contact Samsung Support or visit a Samsung service centre for professional assistance.

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