How to check battery health on a Samsung Galaxy phone

By Saadat Rafiq · 2 min read · 6 steps · Updated 5 October 2026

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

5 of 6 steps

Checked

October 2026

Sources

2 official, linked below

Step by step

1. 

   Open Battery

   Open Settings and tap Battery.

   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

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.

The screenshots are from a Samsung Galaxy A57 5G with One UI 8.5 and Android 16. Other Galaxy phones on One UI 8 use the same menus; on older One UI versions a few names and positions differ.

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.