The fastest way to charge your GoPro, the 27.5W Supercharger (International Dual-Port Charger) lets you charge two GoPro devices simultaneously-anywhere in the world. The USB-C port offers 20 to 70% faster charging on fast-charge compatible devices compared to using a conventional 5V 1A USB charger (Charges HERO5 Black and HERO5 Session up to 20% faster, Dual Battery Charger (HERO5 Black) up to 45% faster and Karma Grip up to 70% faster. The in-box 3A USB-C cable is required for fast charging. Performance may vary). You can also continuously power your GoPro during longer captures. Includes interchangeable AC plugs for US, UK, EU and AU style wall sockets. The fast-charging USB-C port charges at 5.1V 3A, 5.5V 3A, and 12V 1.67A, while the USB-A port charges at 5.1V 1.5A. Works with most devices that can be charged via USB (Ensure your device is compatible with the charger before use).