If apple watch runs out of power, you can put it into Power Reserve mode to extend its battery life. Here’s how to do it!
Checkout this video:
Open settings app on apple watch
Open the Settings app on apple watch
Tap General > Usage.
Under Power Reserve, tap the switch to turn off Power Reserve.
apple watch automatically enters Power Reserve mode when its battery gets too low. In this mode, your watch displays the time and disables all other features. Tap the screen to see the time, or press the Side button.
To exit Power Reserve mode:
1. Connect your watch to a charger.
2.tap general > Wake Screen, then turn on Wake Screen on Wrist Raise.
3. Press and hold the Side button until you see Power Reserve.
4. Tap the screen, then swipe up to choose an app.
Tap Power Reserve.
Tap Power Reserve. You’ll see this option at the top of the list if your watch has run out of power and is in Power Reserve mode.
If you have apple watch series 3 or later, you can also raise your wrist to wake your watch. Then tap the display or press the Digital Crown.
Swipe up from the bottom of the watch face to open Control Center, then tap the battery icon. Or on Watch Series 3 or later, press and hold the side button.
Tap Power Reserve, then turn off.