Assuming you only want to temporarily reduce your battery usage, you may want to stick with the simplest-to-undo option (using Do Not Disturb). If you want to, you can choose a watch face with few complications. The apps associated with complications on your watch face will still refresh.

Toggle the switch next to Background App Refresh to turn it off.Tap on General, then select Background App Refresh.

Toggle the switch next to Always On to turn it off.

Scroll down and select Display & Brightness.

You can also enable Power Reserve manually. When your Apple Watch’s charge drops low enough (below 10%), your watch will ask you if you want to use Power Reserve, and when the charge gets even lower, your watch will automatically enter Power Reserve. In this article, we will tell you how you can enable Power Reserve and also give you other tips for setting up your Apple Watch to use a little less power while still allowing you to actually use your smartwatch. Your Apple Watch also has a charge-preserving mode it’s called Power Reserve.Īlthough you can enable Power Reserve whenever you would like to preserve your Apple Watch’s battery charge, it does severely limit what you can do with your Apple Watch essentially, your Apple Watch will only be able to show you the time, and it will only do that when you press the side button. When your iPhone’s battery gets too low, your phone will automatically enter Low Power mode, which will reduce background activity, reduce the screen brightness and do a few other things to help preserve the battery charge.

You are probably familiar with the Low Power mode on your iPhone.

Turn off low battery mode