GoPro Dual Battery Charger Works with Hero 5, 6, 7 & 8 [Unboxing and Review] - YouTube
Amazon.com : Powerextra Dual Battery Charger with Micro USB Cable for GoPro HERO8 Black GoPro HERO7 Black GoPro HERO6 Black GoPro HERO5, HERO5 Black GoPro Hero 2018 : Electronics
GoPro Dual Battery Charger + Battery for HERO8 Black/HERO7 Black/HERO6 Black | Sweetwater