With a few nifty tricks, you can extend your iPhone’s battery charge and see how much of the charge is left.
How often does your iPhone run low when you need it most? Battery life is always an issue on cell phones. Fortunately, there are ways to not only see how much charge is left, but to extend that charge before it runs out.
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The battery percentage indicator may appear on the screen to show how much charge is left. Power saving mode extends that charge by reducing background activity. Your phone will give you some tips on how to conserve battery power and show you which apps are using the most power, and you can optimize your battery charging to extend your overall battery life.
How to boost your iPhone battery
First, update your iPhone to the latest version of iOS if you haven’t already. Go to Settings, then General and select Software Update. You will be told iOS is up to date or prompted to download the latest update.
Then go to Settings and select Battery. To see the current remaining battery charge, turn on the Battery percentage switch. The battery icon in the top right corner shows the current percentage. To extend the battery charge when you are low on power, turn on the power saving mode switch. This feature reduces some background activity until your phone can be fully charged again (Image A).
The battery screen offers certain suggestions to extend your battery charge, such as reducing the brightness or turning on Auto-Brightness. Tap each suggestion and follow the steps to enable it, especially if your battery is low (Figure B).
Swipe further down on the battery screen. The graph shows some useful data, such as when the battery was last charged to 100%, any activity on your phone that affected the charge, and how long the screen has been active.
The chart highlights spikes in activity to help you avoid such spikes in the future. You can switch this view between the last 24 hours and the last 10 days (Figure C).
Swipe further down to see a list of apps that have used up your battery. The screen shows you the biggest battery drain at the top, so you can avoid using those apps when you need to maintain the current charge. Tap anywhere in this section to toggle the view between the percentage and number of minutes for each app (Figure D).
Swipe up on the screen and tap the Battery status and charging setting. Here, the maximum capacity option indicates the maximum capacity your battery can hold. A new phone should display 100% capacity. The older the phone, the lower the capacity. If the capacity drops below a certain level, say 80%, and you plan to keep the phone for the foreseeable future, you can replace the battery.
Then the Peak Performance Capability option is activated as your battery ages and loses capacity. Your phone uses certain built-in features to try to counteract the normal chemical aging process, thereby extending battery life.
The third optimized battery charging option tries to reduce aging by not charging your battery after it reaches 100%. In this case, it will stop charging at 80% and then wait to continue charging when your phone is back on battery power. In general, you want to keep this switch turned on.
If your phone is running iOS 16.1 or later and you are located in the US, a fourth Clean Energy Charge option will appear. With this option, your iPhone attempts to determine the CO2 emissions from your local energy grid and uses that information to charge the battery when cleaner energy production is available. Keep this switch enabled, but if a notification constantly pops up telling you that charging has been suspended, you may want to disable this option (Digits E).