How can I get a new battery for my iPhone?

$69. Make an appointment at the Apple Store or take the phone to an authorized Apple service shop to have them replace the battery.

You can find a list of authorized shops in your area by using this link:

Find Locations

I had the battery replaced in my phone last week by Best Buy. No appointment was needed and the service took about 30 minutes.

Apple Inc. does not sell spares to retail customers.

Self Service Repair is intended for individuals with the knowledge and experience to repair electronic devices. If you are experienced with the complexities of repairing electronic devices, Self Service Repair provides you with access to genuine Apple parts, tools, and repair manuals to perform your own out-of-warranty repair. Purchase genuine Apple parts and rent or buy professional-grade tools from the Self-Service Repair Store. The online store is operated by a third-party provider ... Self-Service Repair

iPhone Battery Servicing. Apple can replace your iPhone battery for a service fee. Their warranty doesn't cover batteries that wear down from normal use.

iPhone Battery Repair & Replacement