Amazon.com: A1382 Battery for MacBook Pro 15 inch A1286 Early 2011 Late 2011 Mid 2012 New Replacement Laptop Battery (7200mAh 10.95V/78.84Wh 25 Months Warranty) : Electronics
Replace your 2009-2012 MacBook Pro HD with an SSD
How to Replace MacBook Pro Optical Drive with SSD: EveryMac.com
512/500GB SSD Upgrade Macbook Pro 13 15" 2011 2012 A1278 A1286 A1297 High Sierra | eBay
NevBolt-2 Installation Guide (MacBook Pro A1286) – iBoff Repair & Calibration Centre
1TB 500GB SSD Upgrade for A1278 A1286 A1297 2010 2011 2012 Macbook Pro 13" 15" | eBay
2TB SSD Kit for Mac Pro - Apple
MacBook Pro SSD Upgrade - 500GB
Does the mid-2012 13 MacBook Pro have an M.2 slot that I can use for an Intel Optane memory upgrade? - Quora
How to upgrade your MacBook Pro with an SSD - CNET