How much does it cost to replace iPhone 11 battery?

Go to this web site for information about how to request battery service for your iPhone: iPhone Battery Replacement - 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. E.g. the other contributor who provides a USA telephone number and a link that is for the Caribbean and S. American version of a web page. ;-) )

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

In the U.S. it's $89.

iPhone Battery Replacement - Apple Support

aarti15 Said:

"iPhone 11 battery replacement: Charge for a battery replacement for iPhone 11"

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Getting a New Battery:

The price, of course, is decided by the seller/service center. So, see if you can get this serviced. It would be much less, if you have AppleCare, or found to be faulty.

A. Contacting an AASP:

So, take to to an AASP (Apple Authorized Service Provider) seeing if they offer service for this.

1. Go Here: Find Locations - Apple Authorized Reseller
2. Click: Service & Support
3. Enter: your location information
4. See: if there is an AASP nearby
5. Contact: an AASP that shows up, and find out more about the services that they offer to fix the iPhone

B. Apple Support Contact Info:

• Contact Us - Choose Locations
• (800)MY-APPLE
• Proceed from there as necessary