How To Calibrate a Mac Laptop's Power System - NewerTech
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Batteries for MacBook Pro 15" Unibody 2009 - 2010 Models
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MacBook 13" Unibody (A1342 Late 2009-Mid 2010) Battery
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MacBook Unibody Model A1342 Battery Replacement - iFixit Repair Guide
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NewerTech® : Batteries : NuPower® Battery for MacBook Pro 17" Unibody Early 2009, Late 2009, & Mid 2010 Models
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Apple MacBook A1342 Battery Replacement Guide (Unibody) - YouTube