Amazon.com : GoPro Supercharger International Dual-Port Charger (HERO7 Black/HERO6 Black/HERO5 Black/HERO(2018) - Official GoPro Accessory : Electronics
SM Gadgets - Here's the fastest way to charge your GoPro cameras: GoPro Supercharger AWALC-002. This one can let you charge two GoPro devices simultaneously, so enjoy longer times capturing every moment