While the iPhone battery icon on the right-hand side of the screen shows how much battery life your device has left, it is not a very accurate indicator of battery life.
Low power mode only allows you to do the most important things in the background. For example, you can’t do downloads or mail fetching in low power mode.r.
In addition to being larger and brighter, smartphone displays are also a huge drain on your phone’s battery life. There’s no way around it, but you do have the option of dimming the display.
You should also consider turning off the phone’s display automatically. You can do this in Display & Brightness, under Auto-Lock.
GPS pings happen in the background and can quickly deplete a phone’s battery. You can completely disable location services by going to Settings> Privacy & Security> Location Services. Your phone will stop sending location information to these services.
When you shut down an iOS application, it will continue to run for a while. However, these apps will continue to check for new updates and content — a process that drains your battery. You can turn off Background App Refresh entirely or only for certain apps.
If your screen shows a preview of each notification you get, it’s taking up power with every text or breaking news alert you get. Reducing the number of interruptions can help conserve battery life (and your sanity).e notifications.
Aside from Wi-Fi connectivity, Bluetooth connectivity, cellular data connectivity, your phone also has a lot of wireless functions running at the back of your phone. If you’re in a power outage, you can shut them down to conserve battery life.
If you have an iPhone or iPad, you can use Siri hands-free. This means you can say “Hey, Siri” and ask questions without having to hold down the “Siri” button on your iPhone. This means Siri is always listening and waiting for your command. Turning off active listening can help reduce battery drain if you don’t use Siri as much.
10. Monitor the Health of Your Device's Battery
If you’re concerned about the longevity of your phone’s battery, go to the “Battery Health & Charging” section of Settings > Battery > “Maximum Capacity” to see how degraded your battery has become since the first time you used it. Ideally, your battery should be at 100% capacity. Lithium-ion batteries naturally degrade over time.