How To Get Your Battery Health Back Up To 100. Review the Battery Capacity section. Do not trust the percentage of iOS battery health.

You can tell the batteries health by reviewing the differences between the full charge capacity listings and the design capacity. To fix the problem with your battery and bring your iPhone back to health and peak performance you need to get the. If youre keeping it 2 years save 80 for a new battery.
This happens because your laptop battery is only equipped to handle a limited number of full battery cycles or in laymans terms the charging process in which your battery goes from 0 to 100.
A few hours ago I had my 11 Pro with 96 health now after having restored without backup I have 100 again. Restore the iPhone without backup. IPhone battery health declines over time. Do not trust the percentage of iOS battery health.

