How To Tell If Iphone Battery Is Going Bad

You can perform a simple battery performance test on your iPhone to tell whether its on its way down.

How to tell if iphone battery is going bad. If your iPhone feels like it runs a bit slower than it used to or if you notice that the battery life doesnt seem to be as good as when you bought it it may be time to replace it. Here are some ways to test your battery at home and determine if its bad 1 Inspect the Battery Sometimes you can tell if your battery is bad by simply taking a good look. Ive only seen this behavi.

While a calibration problem could be to blame which is easy to resolve with a full charge and a soft reset shutting down all of a sudden is more likely due to a worn battery. The average iPhone battery retains only 80 percent of its original. This equates to roughly 14 to 18 months of optimal battery usage after which things can start to change.

If your iPhone unexpectedly shuts down when the battery still has a good charge it isnt a good sign. When your iPhones battery is dead the phones screen is black and you cannot access any of the phones functions. These can be found in Settings Battery Battery Health.

2 Take a Voltage Reading The voltage of a battery is a good way. If you see the battery percentage on your phone jump around a lot like you could have sworn it was fully charged and now its at 20 its time to calibrate it. Open up the Settings app and click on Battery and then find Battery Health Beta.

Apples iPhone Battery Power Repair webpage says that the cutoff for this is if the battery retains less than 80 of its original capacity. You can check that you have it and that it is switched on by going. Sometimes when you plug the phone in you see the lightning bolt in the top right corner showing that your phone is charging.

A Battery Performance Test Reveals The Health Of Your Battery Is Pretty Poor. Try downloading the app Battery Life which is available for free from the App Store. Note that this feature applies only to the iPhone 6 iPhone 6 Plus iPhone 6s.