Where to get an iPhone 13 battery replaced

Go to this web site for information about how to request battery service for your iPhone: Apple Service and Repair for iPhone Battery - Apple Support

For cost and availability, enter your model information in the "Get an estimate" box at the bottom. (It is best that you do this since sometimes contributors here forget this is an international forum and not everybody asking questions lives in the contributor’s country.)

For instructions on how to get your iPhone, iPad, or iPod touch ready for service click here --> Prepare your iPhone or iPad for a service appointment - Apple Support

At any Apple Store or Apple Authorized service provider.

Set up an appointment in the following website.

click here ➜ Apple Service and Repair for iPhone Battery - Apple Support