Battery Saver helps extend battery life until your next charge. Your phone can prompt you to activate it when the battery is low or you can enable it at any time.
When the phone is in Battery Saver mode, you'll see 
When you use Standard battery saving, your phone will:
Maximum battery saving makes the same adjustments to your phone as Standard battery saving and more.
Maximum battery saving will pause all apps and their notifications, except for these essential apps:



You can assign other apps to be essential. For all other (non-essential) apps, the icons appear grey and you can't use them until you switch to Standard battery saving or turn Battery Saver off.
Maximum battery saving will also:
Open quick settings and tap 
To turn Battery Saver on when your battery is below a specified level:

To prevent your phone from turning Battery Saver on before you need it, you can set it to turn off when your phone is charged to 90% or above:


To see which type of battery saver you're using, open quick settings and look for the label on the Battery Saver tile 
To switch:


Select one:
To adjust how Maximum battery saving works:


Adjust settings:




