Mixed Mode with the tilt option off gets 65% battery left after a day
This mode has the smartwatch running but leaves the LCD screen on and does not switch the smartscreenm on everytime you lift and tilt your wrist. If you touch the screen or button the smartcsreen come son. This mode easily gets two days of use with some juife for day three. It will switch into Essential mode (only LCD) for a further 3 days after this.