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NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Early & Late 2011, Mid-2012 Models
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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
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Tectra 10.95V 8460mAh Battery for A1417 for Apple MacBook Pro Retina 15" A1398 Mid 2012 Early 2013 MD831LL/A MC975LL/A MC9|Laptop Batteries| - AliExpress
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