When you turn on battery saving mode, your BlackBerry smartphone
automatically changes options to conserve battery power. When you turn off battery
saving mode or the smartphone is charged, your normal smartphone settings are
On the home screen or
in a folder, click the Options
Click Device > Battery Saving Mode.
Select or clear the Turn on Battery Saving Mode
when battery power level is low checkbox.
To change the power level that turns on battery saving mode, change the Start when battery power is at or drops below