Replace your 2012 MacBook Pro Battery in 2020 - YouTube
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
Replacement A1382 Battery for Mac Book Pro 15'' (Early 2011 Late 2011 Mid 2012) A1286 - Walmart.com
Amazon.com: E EGOWAY A1382 Replacement Battery for MacBook Por A1286, Made for Early and Late 2011 Mid 2012 MacBook Pro 15 inch Core i7 : Electronics
Amazon.com: Runpower New Laptop Battery for A1382 A1286 (only for Core i7 Early 2011 Late 2011 Mid 2012) Unibody MacBook Pro 15 inch[Li-Polymer] : Electronics
How to replace the battery in Apple MacBook Pro 15-inch A1417 for model A1398 (Mid 2012) - YouTube
Amazon.com: Ftenlyen A1322 A1278 Battery Replacement - A1322 Battery for MacBook Pro 13 inch Mid 2012 2010 2009 Early 2011 Late 2011 Version High-Performance and Long Lasting [ 10.95V 63.5WH ] : Electronics
Quality factors relevant for getting a replacement battery (MacBook Pro ( 13-inch, Mid 2012)) - Ask Different