Battery Life - The 2012 MacBook Air (11 & 13-inch) Review
How To Calibrate a Mac Laptop's Power System - NewerTech
Apple Exchanging Some 2012 and Early 2013 MacBook Pros Needing Battery Service With Newer Models [Updated] - MacRumors
Apple 'fixes' inaccurate MacBook Pro battery estimate – by removing it | Apple | The Guardian
What is the "real-world" battery life of the "Mid-2012" and "Early 2013" 15-Inch Retina Display MacBook Pro? How does the battery life compare to the "regular" Mid-2012 MacBook Pro and the models