MacBook Pro not detecting battery for device less than 6 months of use - MacBook Pro 13" Function Keys 2017 - iFixit
SOLVED: Battery not detected - but work with Guest user - MacBook Pro 13" Retina Display Early 2015 - iFixit
Sudden "No Battery Available" when previously battery seemed fine. - MacBook Pro 15" Unibody Late 2011 - iFixit
![macbook pro - MBP 2012 No Battery Available, Your Computer is not connected to a power source - Ask Different macbook pro - MBP 2012 No Battery Available, Your Computer is not connected to a power source - Ask Different](https://i.stack.imgur.com/ZEZ5P.png)