Check | Apple Battery Serial Number

This requires opening the device, which is risky. Only attempt if you are experienced with electronics repair, or simply check the old battery after it has been professionally removed.

![Descriptive text: Example of a battery label showing "S/N:"] apple battery serial number check

We all obsess over our iPhone’s Battery Health percentage. But there’s a deeper, more technical layer of battery diagnostics that most users never see: the battery’s serial number. This requires opening the device, which is risky