Mid-2012 Macbook Pro Battery Replacement - 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
Amazon.com: Temark A1382 Replacement Battery for MacBook Pro 15 inch A1286 (only for Early 2011, Late 2011, Mid 2012), fit MC721/A MC723/A MD318/A MD322/A MD104/A MD103/A : Electronics
Apple MacBook Pro 13" Mid 2012 EMC2554 (A1278) Battery (3 Cells)
Buy Macbook Pro Replacement Battery 15" (2013-2014)
Battery Life - The 2012 MacBook Air (11 & 13-inch) Review
Apple MacBook Pro 13-inch (Mid 2012) - Review 2012 - PCMag UK
Apple MacBook Pro 15-inch (Mid-2012) - Review 2012 - PCMag UK
A1417 Battery for MacBook Pro 15" Retina A1398 (Mid 2012-2013)