Apple says affected units were non-touch bar MacBrook Pros made between October 2016 and October 2017. Device owners can determine eligibility by entering their product’s serial number on Apple’s support page. The battery replacement program does not affect 13-inch MacBook Pro with Touch Bar or older 13-inch MacBook Pro models, Apple said. Apple will refund those eligible who have already replaced their MacBook Pro’s battery. Also: The best laptops: Does Apple take that crown?