The Ulanzi G8-7 battery cover for GoPro HERO8 cameras is a super high quality CNC aluminum replacement that features a nice open-port USB-C design for in-use charging. 

This design not only allows you to charge the camera while in use but you can also connect the GoPro mic adapter accessory to the camera allowing you to run external microphones. 

In The Box: 

X1 G8-7 Battery Cover for HERO8