Open the Samsung Members app
Tap Get help
Tap Diagnostics
Select Battery status or Battery
View the battery health result
Open Settings
Tap Battery and device care
Tap Diagnostics
Select Battery
Check the battery status
Dial *#0228# on the Phone app
View the battery information shown on screen
Use a third-party battery health app from the Play Store
Check battery capacity, charge cycles, and health details
Check for signs of battery issues
Fast battery drain
Overheating
Sudden shutdowns
Slow charging