Just installed battery #3 in my mid-2015 MacBook Pro. Also applied fresh thermal paste and removed the dust. Here's to many more years of use! : r/ macbookpro
Apple MacBook Pro 15-Inch Retina Laptop i7 2.5GHz - 3.7GHz / 16GB DDR3 Ram / 1TB SSD / Radeon R9 M370X 2GB Video / OS X Mojave / Thunderbolt / HDMI / MJLT2LL/A (Used) - Walmart.com
MacBook Pro (Retina, 15-inch, Mid 2015) - Technical Specifications
Refurbished 2015 Apple MacBook Pro Quad Core i7 2.8 15" Dual Graphics 16GB RAM 2TB SSD MJLU2LL/A A1398
How to upgrade Apple MacBook Pro RAM - YouTube
15" Retina MacBook Pro (mid-2015) Review - Laptop Reviews by MobileTechReview
Apple MacBook Pro with Retina Display (15-inch, 2014) review: Still the best higher-res laptop, but the competition is catching up - CNET