How to change the battery on your GoPro Hero 9 and Hero 10 - YouTube
GoPro HERO9 Black Battery Recommendations - Best Batteries for GoPro HERO9
Amazon.com : REYTRIC Hero 9/10/11/12 Batteries 3-Pack and 3-Channel Charger Compatible with GoPro Hero 9 Black, GoPro Hero 10 Black, GoPro Hero 11 12 Black (Fully Compatible with GoPro9 GoPro10 GoPro11 12 Battery) : Electronics
TELESIN Aluminum Battery Cover for GoPro Hero 11 Hero 10 Hero 9 Black, Removable Replacement Mount Side Door Clip with Type-C Charging Port, Convenient Go Pro 11 10 9 Batteries Charger Accessories
GoPro Hero 9 10 11 12 USB passthrough battery door by Scott | Download free STL model | Printables.com