Lithium-ion batteries degrade over time and the one used in the Apple Watch is no different.

If it is, that indicates a hardware issue.

On your Apple Watch, go toSettings > Battery > Battery Healthand see if its below 80%.

Three examples of how to access battery health data on the Apple Watch.

If it is, you should consider getting a battery service from Apple.

On the same page, be sure to check ifOptimized Battery Chargingis enabled.

Its enabled by default, so theres nothing to worry about here for most people.

The battery percentage and the option to enable low power mode on Apple Watch

If its disabled, consider enabling it to reduce battery aging.

Low power mode turns off sensors and background apps to extend battery life.

Incoming notifications may also be delayed.

The Settings app after it’s long-pressed, revealing the Bluetooth option, on an iPhone

Then selectLow Power Mode > Turn On.

To do this, go toSettings > General > Software Updateon the Apple Watch.

On your watch, you could go toSettings > Display & Brightness > Always Onand disable this feature.

The Walkie-Talkie feature on the Apple Watch

To do this, go to the Watch app on your iPhone orSettingson the Apple Watch and navigate toSiri.

Disable everything here, includingListen for Hey Siri,Raise to Speak, andPress Digital Crown.

Disable Walkie-Talkie

Walkie-Talkie allows you to communicate in real time with others who use Apple Watch.

The app deletion screen on the Watch app for iPhone

If its yellow, its enabled; if its gray, its disabled.

you’re free to also disable Walkie-Talkie notifications.

pop pop the Watch app on your iPhone and go to Walkie-Talkie and selectNotifications Off.

This is where the Sleep Mode can be used to good effect.

Disable Background App Refresh

Background App Refresh allows apps to update even when they havent been opened.

Similarly, Background App Refresh means other apps wont spend time refreshing data when you open them.

That said, this feature also negatively impacts battery life.

kill the feature for all apps that dont need it.

Scroll down to theInstalled on Apple Watchsection and tap the name of any app you want to remove.

Then, disableShow App on Apple Watchor selectDelete app on Apple Watch.

Disable unwanted notifications

Reducing notifications on the Apple Watch also extends its battery life.

Some notification are essential, but a vast majority of alerts are probably unnecessary on the Apple Watch.

Scroll down, select an app, and tapNotifications Offto disable alerts.