EBK New A1382 Battery for Mac book Pro 15 inch A1286 (only for Early 2011, Late 2011, Mid 2012), fit MC721LL/A MC723LL/A 661-5844 020-7134-A with free tools - Walmart.com
Replacement Battery for MacBook Pro 15-inch (2011-2012)
The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
Review Apple MacBook Pro 13 Early 2011 (2.3 GHz dual-core, glare-type screen) - NotebookCheck.net Reviews
13-inch MacBook Pro with Apple Silicon M1 review: Unprecedented power and battery for the money | AppleInsider
MacBook Pro 13" Unibody Early 2011 Repair - iFixit
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 17" Unibody 2011 Models
13-inch Retina MacBook Pro Review (Late 2012)
Amazon.com: A1322 Battery for A1278 Apple MacBook pro 13 inch Mid 2012 Early 2011 Late 2011 Mid 2010 2009 with 6000mAh Newer Tech (MC374LL/A MB990LL/A MB991LL/A MC700LL/A MD313LL/A MD101LL/A MD102LL/A Battery) :
MacBook Pro 13-Inch "Core i5" 2.3 Early 2011 Specs (Early 2011 13", MC700LL/A, MacBookPro8,1, A1278, 2419*): EveryMac.com
MacBook Pro 15" Unibody (Early 2011-Mid 2012) Battery - iFixit
Battery Life - The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
The Display: Better than Most, Not as Good as the Pro - The 2011 MacBook Air (11 & 13-inch): Thoroughly Reviewed
MacBook Pro 15" Unibody Mid 2012 Battery Replacement - iFixit Repair Guide
The MacBook Pro Review (13 & 15-inch): 2011 Brings Sandy Bridge
MacBook Pro 13" A1322 battery for Apple A1278 (2009-2012)
MacBook Air 13" Mid 2012 Battery Replacement - iFixit Repair Guide
Determine battery cycle count for Mac notebooks - Apple Support
Replace your 2009-2012 MacBook Pro HD with an SSD
MacBook Air "Core i5" 1.7 13" (Mid-2011) Specs (Mid-2011, MC965LL/A*, MacBookAir4,2, A1369, 2469): EveryMac.com
Amazon.com: A1322 Battery for A1278 Apple MacBook pro 13 inch Mid 2012 Early 2011 Late 2011 Mid 2010 2009 with 6000mAh Newer Tech (MC374LL/A MB990LL/A MB991LL/A MC700LL/A MD313LL/A MD101LL/A MD102LL/A Battery) :
Apple MacBook Pro 13 (Early 2011) review: Apple MacBook Pro 13 (Early 2011) - CNET
MacBook Pro MC700LL/A Apple Core i5 2.3 GHz Specs (Early 2011 13", MacBookPro8,1 - A1278 (EMC 2419)) - Techable
