Original battery in a Service Pack directly from Apple for the iPhone 14 Plus.

Part 661-30394

This part allows diagnostics to be completed after repair – pairing it with the phone. No "unknown part" notifications will appear.

A set of screws is included with the purchased part. 

After replacing the part, the Repair Assistant tool will be available on the device. It is recommended to complete the repair by running this tool. For this type of repair, follow the instructions provided in the repair guide: https://support.apple.com/cs-cz/docs/iphone