According to ifixit, the battery in our MB is "very solidly, glued into the lower case". Does this mean it can not be replaced? Has anyone done the replacement with Apple or on their own?
https://www.ifixit.com/Teardown/Retina+MacBook+2016+Teardown/62149
https://www.ifixit.com/Teardown/Retina+MacBook+2016+Teardown/62149