Determine battery cycle count for Mac notebooks - Apple Support
MacBook Air 13" Mid 2011 Battery Replacement - iFixit Repair Guide
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Apple MacBook Pro 13 (Early 2011) review: Apple MacBook Pro 13 (Early 2011) - CNET
How Long Does Your MacBook Pro Battery Last? | OSXDaily
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit
Apple MacBook Pro 661-5211 Battery
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Would the battery from a 13" MacBook Pro (2010) work in a 15" MacBook Pro 2011? - Ask Different
Apple MacBook Pro 13 - Winter 2011 Reviews, Pros and Cons | TechSpot
Apple MacBook Air 13" A1369 Battery
The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
EGOWAY A1382 Battery For Apple Macbook Pro 15 INCH A1286 early 2011 late 2011 Mid 2012 price from souq in Saudi Arabia - Yaoota!
Battery Life - The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Early & Late 2011, Mid-2012 Models
MacBook Pro battery percentage jumping down and up - Ask Different
MacBook Pro 13" Unibody Early 2011 Battery Replacement - iFixit Repair Guide
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
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How to keep your MacBook Pro battery healthy for years | AppleInsider
Very poor battery life in mid 2011 Macboo… - Apple Community
MacBook Air review (mid 2011) | Engadget
