How to check battery health on a Samsung Galaxy phone

howtosimply.com/guides/how-to-check-battery-health-on-a-samsung-galaxy-phone/ · Checked October 2026 · Samsung Galaxy A57 5G (SM-A576B), One UI 8.5, Android 16

4 of 6 steps with real screenshots · 2 official sources below

Device

Android

Shown on

Samsung Galaxy A57 5G (SM-A576B), One UI 8.5, Android 16

App

Settings

Path

Settings › Battery › Battery information: Battery health %

Real screenshots

4 of 6 steps

Our phone

Shown on Galaxy A57, One UI 8.5

Checked

October 2026

Sources

2 official, linked below

Step by step

1. Open Battery

   Open Settings and tap Battery.

   Watch these steps Done

2. 

   Tap Battery information

   Scroll down the Battery page. It is below Battery protection.

   Done

3. 

   Read Battery health

   A percentage of the original capacity. Our phone, a few months old, showed 100%.

   Done

4. 

   Compare Battery capacity

   The typical capacity of a new battery, 5000 mAh on our phone. The note at the bottom explains how Samsung measures it.

   Done

5. 

   Check the cycle count

   One cycle is 100% of charge used, in one go or over several days. Our phone had 14.

   Done

6. No Battery information page? Use Samsung Members

   Open Samsung Members, tap Support, then Get Started and Battery status. Settings, Device care, Diagnostics leads to the same tests.

   Done

Watch these steps

If you do not see this option

• Battery status needs the full test first In Samsung Members, Samsung says to start the full diagnostics, stop the test, then choose Battery status. Source: Determine when your Samsung Galaxy phone battery needs replacing
• The diagnostics page does not open Samsung suggests opening it with its own browser, which newer phones call Samsung Browser instead of Samsung Internet. Source: Determine when your Samsung Galaxy phone battery needs replacing

If this does not work

• The phone shows a battery alert Samsung says the phone may show a battery performance degradation alert once performance has dropped a lot. Have the battery checked at a Samsung service centre. Source: Determine when your Samsung Galaxy phone battery needs replacing
• It drains fast or switches off in the cold Samsung lists these as signs of an ageing battery. A replacement may be covered by the warranty, or be paid service. Source: Determine when your Samsung Galaxy phone battery needs replacing

About this guide

A worn battery is the most common reason a phone that once lasted all day no longer does. One UI 8 shows the battery's health directly in Settings.

Good to know

Samsung lists the signs of a battery that needs replacing: it drains quickly after charging, and the phone turns off unexpectedly, especially in the cold.

To slow the wear down, limit charging to 80%: how to limit charging to 80% on a Samsung Galaxy phone.

In short: Settings, Battery, Battery information: Battery health %. Older phones: Samsung Members, Battery status.

📷 See real photos from the Galaxy A57 in our Camera Lab, next to 10 other phones.