Check the battery status through the Battery Information settings, the Battery Manager app, or the quick access panel.
Open
Settings
and touch
About phone
Battery information
. Or swipe up from the bottom of the screen and touch to open the
Battery Manager
app.
Under
Advanced Info
:
Battery present status
indicates if the main battery is present.
Battery level
lists the main battery charge (as a percentage of fully charged).
Under
Backup Battery Info
:
Wear level
indicates the overall health status of the backup battery.
Backup Battery level
lists the backup battery charge (as a percentage of fully charged). If this value is 1% or less for a long period of time, then the backup battery may need servicing.
Swipe down with two fingers from the status bar to open the quick access panel. The
to open the 