Apps pulling down data in the background drains battery.
- Go to Settings > General > Background App Refresh.
- Tap Background App Refresh to turn it off, or only over Wi-Fi
- Select which apps should be able to refresh in the background
Apps pulling down data in the background drains battery.
Every time you get a new notification and your screen lights up and vibrate you drain battery quicker.
How to improve iPhone battery life with low power mode, background app refresh, location services, and more settings