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
How to Replace the Battery in a 15-inch MacBook Pro 2012 (MacBookPro9,1) - YouTube
NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Unibody Early & Late 2011, Mid-2012 Models
Amazon.com: A1278 A1322 Battery for MacBook Pro 13 inch Mid 2012 2010 2009 Early 2011 Late 2011 A1278 MacBook pro 2012 2011 2010 Battery Replacement 661-5557 661-5229 MB990LL/A MB991LL MC375LL MD314 MC724LL : Electronics
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Electronics
MacBook Pro 13" Retina Display Late 2012 Battery Replacement - iFixit Repair Guide
Laptop Battery A1322 A1278 Replacement for MacBook Pro 13'' Inch (Mid 2009, Early 2010, Early/Late 2011, Mid 2012) MB990*/A MB990LL/A MB990J/A: Amazon.co.uk: Computers & Accessories
Amazon.com: Laptop Battery for A1322 A1278 MacBook Pro 13" (Mid 2009, Mid 2010, Early and Late 2011, Mid 2012 Version) Replacement Batteries MB990LL/A MB991ll/A MC374ll/A MC375LL/A MC700ll/A MD101LLA : Electronics
Amazon.com: A1382 Battery for MacBook Pro 15 inch A1286 Early 2011 Late 2011 Mid 2012 New Replacement Laptop Battery (7200mAh 10.95V/78.84Wh 25 Months Warranty) : Electronics