After several years of good performance, the old iphone not what it used to be. The display may crack and the camera may fog up, but apart from cosmetic damage, there may be hardware issues, mostly due to age, affecting the phone’s usefulness. there is.
Also, if your iPhone charges slowly, doesn’t hold a charge all day, or shuts down unexpectedly, you may have a battery health problem. All batteries degrade over time, so this is a common problem, but is it enough of a problem to consider replacing the battery?
In this article, we’ll show you how to easily tell if your iPhone battery needs replacing, and what you can do to make it last longer.
Do not miss it: I replaced the battery in my iPhone myself.you can too
How to check iPhone battery health
iPhone batteries become less effective over time, and it’s possible that a brand new iPhone battery is faulty. To quickly check if there is a problem with your battery health, please visit the following URL: setting > battery > Battery status and chargeIf you’re running anything prior to iOS 16.1, the latter will still show up. battery status.
The maximum capacity of the battery is displayed at the top. This should be 100% or closer if you have a relatively new iPhone.
but what you want to see is peak performance capability and the text below.If you see Your battery now supports normal peak hours performanceno known battery issues and no need to replace.

make sure it is under Peak performance capability Check if the battery needs to be replaced.
Screenshot by Nelson Aguilar/CNET
Need to replace your iPhone battery?
If you see any of the following messages: You may need to replace the battery. Or at least have the battery checked by Apple or an authorized service provider.
- This iPhone shut down unexpectedly because the battery was unable to provide the required peak power. To prevent this from happening again, performance management was applied/manually disabled performance management protection.
- This iPhone cannot determine the battery status. An Apple Authorized Service Provider can repair your battery. Learn more about service options.
- Battery health is critically low. An Apple Authorized Service Provider can replace your battery and restore full performance and capacity. Learn more about service options.
Depending on whether you have insurance (third-party or AppleCare+), it may cost nothing to replace your iPhone battery. If your iPhone is brand new, you have at least one year warranty to replace the defective battery. If you don’t have insurance, Apple charges an estimated $49 to $99 for battery replacement. Additionally, you can check the Apple Service Programs page to see which replacement or repair programs are available for your device.
You can also replace your own battery.
Andrew Hoyle/CNET
Is there anything I can do to extend my iPhone’s battery life?
The faster the daily battery life, the shorter the overall life of the battery. According to Apple, there are some tips to follow.
- Update to the latest software available.
- Adjust the screen brightness (manually or automatically) according to your needs.
- Use Wi-Fi when available.
- Enable low power mode if desired.
- Turn off background app refresh (globally or per app).
- Turn off location services (globally or per app).
- Turn off Allow Notifications.
- Turn on airplane mode if necessary.
- When charging your phone with your computer, make sure your computer is connected to a power source.
By turning on auto-brightness (left) and preventing apps from refreshing in the background (right), you can extend battery life and longevity.
Screenshot by Nelson Aguilar/CNET
Want more iPhone battery saving tips? 8 Ways to Extend iPhone Battery Life, Two iOS 16 Features to Disable to Save Battery When What happens if you keep your iPhone in low power mode all the time.