The GoPro Dual Battery Charger charges up to 2 batteries for the HERO7 Black, HERO6 Black, HERO5 Black, and HERO 2018.
Simply plug the charger in using the included USB cable to charge your batteries. When combined with the separately available Supercharger, you can expect up to 45% faster charge times. Charging status is displayed via built-in LEDs. Amber means charging, and green means you're ready to roll with a topped-off batter