Lesson learned: don't buy a MacBook Pro battery off eBay | MacRumors Forums
Apple reportedly moves iPad battery orders from Simplo to Dynapack | Engadget
MacBook Pro 15" Retina (Late 2016-2017) Battery – iFixit Store
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SOLVED: How to check if my battery is an original one? - MacBook Pro 15" Retina Display Mid 2015 - iFixit