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Internal Replacement Battery A1382 for MacBook Pro 15'' (only for Early/Late 2011, Mid 2012) Fit MC721LL/A MC723LL/A - Micro Center
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Apple MacBook Pro "Core i5" 2.3 13" Early 2011 LAP207 5800mAh / 63.5Wh Notebook Battery - BattDepot United States
MacBook Pro 13" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
Genuine A1322 Battery for Apple MacBook Pro 13" A1322 A1278 Mid 2009 2010 Late 2011 Mid 2012 Version - Newegg.com
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 17" Unibody 2011 Models
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Replacement Battery for MacBook Air 11-Inch (2011-2015)
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Replacement Batteries for 17-Inch MacBook Pro (2011)
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
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MacBook Pro 13" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
A1382 A1286 Battery for MacBook Pro Battery 15 inch Mid 2012 Early 2011 Late 2011 A1286(7200mAh)) - AliExpress
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Apple MacBook Pro 661-5211 Battery
Amazon.com: A1278 A1322 Battery, POWERWOO MacBook pro Battery Replacement 13 inch Mid 2012 2010 2009 Early 2011 Late 2011, a1278 Battery with 6000mAh 10.95V 65.7Wh - High Performance and Longevity : Electronics