Original battery in a Service Pack packaging directly from Apple for the iPhone 13

Part 661-21991

With this part, it is possible to complete diagnostics after repair by pairing it with the phone. Notifications about unknown parts will not appear.

A set of screws is also included with the purchased part. 

After replacing the part, the Repair Assistant tool will be available on the device. We recommend completing the repair by running this tool. For this type of repair, follow the instructions provided in the repair manual: https://support.apple.com/cs-cz/docs/iphone