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.

MacBook SMC Firmware Update 1.5 MacBook Pro SMC Firmware Update 1.6 MacBook Air SMC Update v1.8

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