Remove the old battery.
New Replacement Battery For iPad Pro 12.91st/2nd Gen/Mini4/5/10.2/Air4/iPad 5/6
Battery For iPad Pro 9.7 2017 2016 Internal Battery A1664 A1673 A1674 7306mAh
USB C to USB C Charger Cable USB 2.0 Type C Cable, Fast Charging Power for iPhone 15/15 Pro, for MacBook Pro 2020, for iPad Pro 2020, for iPad Air 4, for Galaxy, for Pixel and More (Red, 1 Metre)
For iPad Pro 12.9 2nd Gen 2017 A1670 A1671 Battery Replacement 11000mAh+Adhesive
Battery Replacement For iPad Pro 12.9 3rd 2018 / 4th Gen 2020 10307mAh+Adhesive
For iPad Pro 11 2nd Gen A2068 A2230 A2228 Battery Replacement 7538mAh+Adhesive
