The phone battery is at 82 health and does not need to be replaced. Unless it drops to 80 its still considered healthy. Why You Shouldn T Calibrate The Battery In Your Iphone Ipad Or Ipod It will give you more cycles on your battery. Iphone battery health less than 80 . After changing the battery you will get decent battery life but the new battery must be genuine. IPhone Battery and Performance - Apple Support. When Battery Health is at 95 that means that your iPhone has experienced a shutdown and Performance management has now been applied. I think its 30-80. The kicker is if you do that then you are living as if the. IOS 148 and iPadOS 148. Using the 5-watt power adapter out of the box in the time it used to take your iPhone to charge its battery to 100 percent your iPhone is stuck at 80 or below instead. If your phones battery health is at 79 or less it has been significantly degraded. We recommend you to change your battery through Apple official service cent...