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MacBook Pro 17" Unibody Battery Replacement - iFixit Repair Guide
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How to Replace MacBook Pro Battery, Unibody 13-Inch: EveryMac.com
Replacement Batteries for 17-Inch MacBook Pro (2011)
How to Replace MacBook Pro Battery, 17-Inch 2009-2011: EveryMac.com
MacBook Pro 17" Unibody (Early-Late 2011) Replacement Battery – iFixit Store
How to Replace MacBook Pro Battery, Unibody 13-Inch: EveryMac.com
MacBook Pro Battery Replacement Kits from OWC
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MacBook Pro 17" Unibody (Early-Late 2011) Replacement Battery – iFixit Store
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 17" Unibody 2011 Models
Photo tutorial: Upgrading a MacBook Pro with an SSD
How to Replace MacBook Pro Battery, Unibody 13-Inch: EveryMac.com
Mac Battery Replacement - Batteries for MacBook Pro and MacBook Air