Macbook Pro 15" Retina A1398 Take Apart (2012 Model) - YouTube
MacBook Pro 15" Retina Display Mid 2012 Teardown - iFixit
2012 15" inch MacBook Pro A1398 Complete Disassembly SSD Screen LCD Speaker Replacement Repair - 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
Mid 2012 13" inch MacBook Pro A1278 Disassembly RAM SSD Hard Drive Upgrade Repair OSX Install - YouTube