A1953 Internal Battery Replacement+Tools For MacBook Pro A1990 15'' 2017-2018 US | eBay
How To Test A MacBook Battery To See If It Needs Replacing And Replace It | Macworld
Surprise! iFixit says you can't do much to fix or upgrade the 2015 MacBook | Ars Technica
iFixit 95Wh MacBook Pro Retina 15-inch (Late 2013 to Mid 2014) Replacement Battery w/ Fix Kit – RamCity.com.au
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