A lot of the Apple Watch’s handy options for keeping the screen on, increasing visibility, and so on can be a drain on the battery — to a point. If you don’t consider them necessary, turning some of them off (or shortening durations) can cut back on the strain.

  1. Reduce the amount of time the display stays on when not in use by opening the Watch app on your iPhone and selecting the Watch Tab. Then select Display & Brightness.
  2. Tap Wake Duration, then select a shorter amount of time (15 seconds is the minimum).
  3. Save more screen power by preventing the display from automatically turning on when you raise your wrist. From the Watch app’s Display & Brightness menu, turn off the toggle next to Wake on Wrist Rise.
  4. App transitional and graphical effects will also use up more battery. Open the Watch app to the My Watch tab and select Accessibility, then select Reduce Motion and tap the toggle to shut effects off.
  5. Alternatively, turning on Low Power Mode (iOS 9 and later) can save on battery power, though it does shut off a lot of options.
  6. Open Control Center on the Apple Watch and tap on the battery percentage readout, then tap Low Power Mode. You can choose to keep it on for one, two, or three days.

When in Low Power Mode the always-on display, TIme in Daylight monitor, heart rate and blood oxygen measurements, workout reminders, and double-tap gestures will all be turned off.

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