Google Play Services is a background service and set of APIs provided by Google to improve app experiences on Android devices. It keeps apps up-to-date and functioning smoothly by offering key features such as authentication, contact synchronization, access to the latest privacy settings, and efficient location-based services. It is crucial for the operation of many apps and helps maintain device security and performance.

To update Google Play Services, open your device's Settings, go to 'Apps & notifications,' then select 'See all apps.' Find 'Google Play Services,' tap on it, and choose 'App details in store.' This will take you to the Play Store where you can tap 'Update' if a new version is available. Keeping it updated ensures optimal app performance and security.

Disabling Google Play Services is technically possible but not recommended because many apps depend on it for core functions. Turning it off may cause app malfunctions and reduce device performance. Since it is a system app, uninstalling is not an option. If issues arise, consider clearing its cache or updating the service instead of disabling it.

If Google Play Services keeps stopping, try restarting your device first. If the problem continues, clear the cache and data by navigating to Settings > Apps > Google Play Services > Storage, then tap 'Clear Cache' and 'Clear Data.' Also, ensure both your device's software and Google Play Services are up-to-date to prevent recurring issues.

Google Play Services may consume a lot of battery if it frequently syncs data or uses location services in the background. To reduce battery drain, set your location to 'Battery saving' mode, regularly check for app updates, and modify sync settings to limit unnecessary background activity, thus helping conserve battery life.