NewerTech® : Batteries : NuPower® Battery for MacBook Pro 15" Retina mid 2012 to early 2013 Models
Original A1322 Replacement Battery for Apple MacBook Pro 13 inch A1278 2012 [65Wh/10.95V/6000mAh] - Newegg.com
MacBook Pro 15" Unibody (Early 2011 through Mid 2012) Replacement Batt – A & M Digital Technologies, LLC
iFixit posts repair guide for Retina MacBook Pro, estimates battery replacement at $500 - 9to5Mac
Amazon.com: iFixit A1398 A1417 Battery for MacBook Pro 15" Retina (Mid 2012- Early 2013) - Repair Kit : Electronics
Amazon.com: A1417 Battery Only for (Mid 2012 & Early 2013) A1398 MacBook Pro - Replacement Battery for A1398 MacBook Pro 15-inch Retina (Mid 2012, Early 2013 Version) - EMC 2512 or 2673 [11.26V/99Wh] : Electronics
MacBook Recalls And Repair Programs - Is Your Mac Included? | Macworld
MacBook Pro Battery Replacement (Early 2011 to Mid 2012) | Zollotech
Apple MacBook Pro 15" Retina A1398 (Mid 2012 - Early 2013) - Battery A1417 8600mAh HQ | Fixshop
MacBook Pro (Retina, 15-inch, Mid 2012) - Technical Specifications
Replacing the Battery in a MacBook Pro Unibody (2009-2012) in 5 Minutes! - YouTube
Egoway 7200mAh/79Wh Replacement Battery A1382, Made for Early / Late 2
MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) - 661-6532