Battery for replacing the factory-installed one in the iPhone 13 Pro Max (6.7). If your phone's battery lasts very little now, discharges suddenly after a call, has swollen, or no longer charges, it's time to replace it.

Modern smartphones make this process difficult, as they can only be opened with special tools. It is recommended to seek assistance from a specialized technician, as any mistakes could result in malfunctioning of your device.