Is Apple’s Mountain Lion causing big battery drains? August 4, 2012 by admin Tweet A number of Macbook Pro and Macbook Air users are claiming that the upgrade to Apple’s Mountain Lion version of OS X is causing a massive amount of battery drain from their laptops. Read more… Neowin Related Posts:The Samsung One UI 5.1 update is causing faster…Apple releases iOS 15.4.1 update to fix battery…Apple releases updates to fix WebKit vulnerability…Apple M3 MacBook Air base model now comes with a faster SSDApple unveils redesigned MacBook Air with new M2 processor