Bought this Old late 2013 16gb a1398 15inch MacBook Pro. Had Yosemite OS installed and only 32 battery cycles. Hardly used it seems. I know people more excited about the new 2020
Disassembly Teardown Guide | 15" Apple A1398 MacBook Pro 2015 - YouTube
A1466 MacBook air Battery HIGHER CAPACITY Replacement for MacBook Air 13 inch A1466 (Mid 2012, Mid 2013, Early 2014, Early 2015,2017) A1369(Late 2010,Mid 2011) 8000+mAh Battery A1496 A1377 A1405: Amazon.co.uk: Computers & Accessories
New For Apple Mac Book A1369 A1466 A1286 A1502 A1370 A1465 A1278 A1389 A1297 Replacemen Laptop Accessories Keyboard - AliExpress