OnePlus 6T - Enable Power Saving mode

If you tend to run out of battery power quickly, then you can turn on Power saving mode.

Pull down the notification screen by swiping your finger from the top of the phone. Then select Power Saving. You may need to scroll along the available icons.

You can also select to turn on Battery saver automatically, once battery reaches at certain level. To enable this, go to Settings – Battery – Battery saver, and then turn Automatic Battery Saver on.