What Percentage Should An Iphone Battery Be Replaced. Apple will replace your iPhone battery even if it passes the diagnostics threshold of 80 percent of its original capacity. Anything above 80 is normal.

Answer 1 of 9. The easiest way to know if its time for a battery replacement is when its maximum capacity hits 79 or below and you receive the Your batterys health is significantly degraded message. When to Replace iPhone Battery.
But you might not want to wait to that point so the best time to replace the battery is at 50 of battery health.
Approximately at 5055 as at that point you probably cant bare living with this battery life. Maximum capacity compares your current battery performance to when it was new. However since joining Toms Guide last. To determine whether your iPhones battery should be replaced open the Settings app then tap Battery and look for a notice at the top that will say something along the lines of.
