How To Take Apple Watch 4 Off Power Reserve. Power Reserve lets you see the time on your Apple Watch while preserving your battery life. To turn off Power Reserve.

To turn off Power Reserve. Here you will see the Power Off and Emergency SOS sliders. Though Apple Watch battery lasts a reasonably long amount of time having a powered off or dead battery Apple Watch on the wrist is not particularly useful.
Now you can check the Apple Watch Face for the Battery complication icon and enter the Power Reserve.
How do I get it to come back on. Once there you should see a Buy. Go to the My Watch tab. How To Check That Power Reserve Is Turned Off On Your Apple Watch.

