MacBook Pro 17" Unibody Battery Replacement - iFixit Repair Guide
iFixit: New MacBook Pro has first 'DIY-friendly' battery replacement design since 2012 - 9to5Mac
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
Apple Exchanging Some 2012 and Early 2013 MacBook Pros Needing Battery Service With Newer Models [Updated] - MacRumors
Replace your 2009-2012 MacBook Pro HD with an SSD
A1322 Battery Compatible with MacBook Pro 13 inch A1278 (Mid 2009, Mid 2010, Early and Late 2011, Mid 2012 Version),fit MB990LL/A MB991LL/A MC374LL/Al MD101LLA MC375LL/A MC700ll/A MC724LL/A
How to replace the battery in Apple MacBook Pro 15-inch A1417 for model A1398 (Mid 2012) - YouTube
Amazon.com: AN·GWEL A1286 A1382 Laptop Battery for MacBook Pro 15 inch Early 2011 Late 2011 Mid 2012 MC721LL/A, MC723LL/A, MD035LL/A,MD318LL/A,MD322LL/A,MD103LL/A,MD104LL/A[10.95V 77.5Wh] : Electronics
Ultimate Guide on How to Upgrade Mid 2012 MacBook Pro: Faster and Better Than New! | College Lighthouse
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors