Apple releases MacBook SMC firmware updates fixing rare battery issue
Apple released updates today for MacBook, MacBook Pro, and MacBook Air, and they are for a rare issue that causes batteries with more than 1000-charge cycles to shut down or stop working. The updates are available through Software Update in the Mac App Store now. Links to each update is on Apple’s website below:
This update addresses a rare issue on some Apple notebooks where a battery that has accumulated more than 1000 charge cycles may unexpectedly shut down or stop functioning.