Eli Harrison wrote a review of GoPro Supercharger (Dual Port Fast Charger) on October 31, 2018
Familiarity: I've used it several times
Does a great job at getting my GoPro batteries juiced up and ready for content! The universal plug in adapters are awesome as well, worked great while in Germany/ Switzerland/ and France. Taking with me to Japan in February also. Combine this with the Dual charger and you get three batteries ready for anything!