Original battery 2227mAh by iPhone 12 Mini A2399 661-17939 Service Pack

Original 2227mAh Battery for iPhone 12 Mini A2399 661-17939 Service Pack

The original Apple Service Pack battery with part number 661-17939 is a 2227 mAh replacement for the iPhone 12 Mini A2399, marketed in Spain, and variants A2176, A2398 and A2400. Designed to replace a degraded battery, it restores the phone's battery life and power stability when rapid discharge, unexpected shutdowns or reduced capacity occur. Its format and connector correspond to the device, facilitating precise replacement by specialized repair technicians. It is a solution for restoring the power system while maintaining the electrical specifications intended for this model.

Specifications

Original Apple Service Pack battery with a capacity of 2227 mAh, a nominal voltage of 3.85 V, energy of 8.57 Wh and lithium-ion (Li-ion) technology.

Identified by part number 661-17939 and battery model A2471.

Compatible with Apple iPhone 12 Mini A2399, A2176, A2398 and A2400.

Designed to replace the device's internal battery while maintaining the electrical and connection characteristics corresponding to the model.

Its capacity of 2227 mAh and electrical configuration of 3.85 V allow the worn battery to be replaced without altering the nominal parameters intended for the iPhone 12 Mini. Corresponding to part number 661-17939, it facilitates replacement identification in workshop orders, inventory management and repair traceability. Its model-specific construction promotes correct positioning inside the chassis and connection to the power circuit. With the appropriate repair and calibration procedure, iOS can register the battery as an original part in the repair history. It is an option designed to restore battery life through professional, safe and verifiable replacement.

Installation Tips

Replacement should be performed by qualified technicians using appropriate tools and protection against electrostatic discharge (ESD).

Power off the device, disconnect the battery and carefully remove the mounting adhesives, avoiding punctures, deformation or damage to internal components.

Clean off adhesive residue and use suitable new fixings. Properly align the battery connector without forcing the flex cable.

Before final closure, check that the device powers on, recognizes the battery and charges correctly. Perform a charging test and verify battery health in iOS.

Replace the screen perimeter adhesive to restore the seal during assembly.

Once installed, complete the calibration procedure using Apple's Repair Assistant when applicable.

Notice

Although this is an original Apple Service Pack battery, installation does not automatically guarantee that iOS will recognize it as an original part without completing the corresponding calibration procedure.

The iPhone 12 Mini supports Apple's Repair Assistant to complete battery replacement. The device must have the latest version of iOS, a Wi-Fi connection and a battery charge level above 20%.

The procedure starts from Settings, General, About, Parts and Service History, and Restart & Finish Repair.

If calibration is not completed correctly, iOS may display a pending repair or identify the battery as an unknown part. Final recognition depends on proper installation, verification and calibration of the component.

Technical Table