Can I buy replacement battery for 2017 macbook pro 13?

dt670 wrote:

Can I buy a replacement battery for 2017 macbook pro 13?

Sure—

Get help with your Mac notebook battery

Learn how to optimize the life of the battery in your Mac notebook, fix battery issues, and get service.

Get help with your Mac notebook battery - Apple Support

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you can buy an Installed battery, but not a loose part.

Installation included, and comes with a warranty.