Apple announced Friday a 13-inch MacBook Pro (n-Touch Bar) battery replacement program. The company said that a failure of a compent can lead to an extensi of the battery, and that affected devices may have their battery replaced.
13 inch MacBook Pro (n touch)  13 inch MacBook Pro (n touch bar) Battery Replacement Program
From the program descripti:  Apple has determined that in a limited number of MacBook Pro 13-inch (n-Touch Bar), a compent may fail causing the expansi of the built-in battery. This is not a security problem and Apple will replace the eligible batteries for free. Affected units were manufactured between October 2016 and October 2017 and eligibility is determined by the product serial number.
This program does not affect the 13-inch MacBook Pro with Touch Bar or the older 13-inch MacBook Pro models.
The Apple program does not increase the coverage of the standard 13-inch MacBook Pro warranty.
The program's web page has a built-in serial number checker for immediate cfirmati of your device coverage.