MacBook Pro 15" Unibody Mid 2012 Teardown - iFixit
A1382 Battery For Apple MacBook Pro 15 inch A1286 Early 2011 Late 2011 Mid 2012 | eBay
Apple 2012 Macbook disassembly for cleaning – November 24, 2016 | P&T IT BROTHER - Computer Repair Laptops, Mac, Cellphone, Tablets (Windows, Mac OS X, iOS, Android)
Replace your 2009-2012 MacBook Pro HD with an SSD
MacBook Pro with Retina display dismantled by iFixit, revealing soldered RAM - The Verge