Amazon.com: iFixit Battery Compatible with MacBook Pro 15" Unibody (Early 2011-Mid 2012) - Repair Kit : Electronics
How To Calibrate a Mac Laptop's Power System - NewerTech
SOLVED: New replacement battery for MacBook Pro not recognised - MacBook Pro 13" Unibody Mid 2010 - iFixit
How To Improve Your MacBook's Battery Life - MacInfo
How to Calibrate a Laptop Battery on a Macbook: 7 Steps
2017 MacBook Air) Battery will get down to 50% and after a minute will immediately jump to 7%. Will a calibration fix this? Only showing 191 battery cycles and condition is normal. : r/macbook
MacBook Pro Battery installation and Calibrate the Battery HD 1080p - YouTube