Retina, round two: Apple's 15-inch 2013 Retina MacBook Pro reviewed | Ars Technica
Amazon.com: Temark A1417 Laptop Battery Compatible with MacBook Pro 15 inch Retina A1398 (Mid 2012 Early 2013), fits for MC975LL/A MC976LL/A ME664LL/A ME665LL/A (8800mAh) : Electronics
Amazon.com: BatPower A1417 Replacement Laptop Battery for Apple Mid 2012 Early 2013 MacBook Pro 15-inch Retina A1398 EMC 2512 EMC 2673 Battery MacBook Pro 15" A1398 Apple A1417 Battery 95Wh : Electronics
A1398 Battery 15 inch MacBook Pro Retina 2012 2013 2014 A1494 DIY Parts replacement Batteries
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
Amazon.com: A1417 Laptop Battery Replacement for MacBook Pro 15 Inch Retina A1398 (2012 Early-2013 Version), Replacement ME665LL/A ME664LL/A MD831LL/A MC975LL/A MC976LL/A : Electronics
Apple Has Fully Restored Inventory of Mid 2012 and Early 2013 MacBook Pro Batteries - MacRumors
MacBook Pro 15" Retina Display Early 2013 Battery Replacement - iFixit Repair Guide
MacBook Pro 15" Retina Display Early 2013 Battery Replacement - iFixit Repair Guide
Amazon.com: A1417 Laptop Battery Replacement for MacBook Pro 15 Inch Retina A1398 (2012 Early-2013 Version), Replacement ME665LL/A ME664LL/A MD831LL/A MC975LL/A MC976LL/A : Electronics
iFixit A1398 A1417 Battery for MacBook Pro 15" Retina (Mid 2012-Early 2013) - Repair Kit : Electronics - Amazon.com
MacBook Pro 15" Retina Top Case w/ Battery (Mid 2012 - Early 2013) - 661-6532
Amazon.com: Temark A1417 Laptop Battery Compatible with MacBook Pro 15 inch Retina A1398 (Mid 2012 Early 2013), fits for MC975LL/A MC976LL/A ME664LL/A ME665LL/A (8800mAh) : Electronics