This dual battery charger conveniently charges two batteries dynamically, so you can have a fully charged battery as quickly as possible to continue your adventure. Thanks to the quick-check lights, you can check the charge status of the batteries even when not connected to the power grid. Included are two powerful Enduro batteries that you can use as replacement batteries for the Hero13 Black. The charger optimizes the charging process to ensure you get a fully charged battery as quickly as possible. Two LEDs indicate the charge status of the camera batteries when inserted. With the battery quick-check feature, you can see the charge status of your batteries even when the charger is not plugged into the power grid. Extra-high battery slots keep the batteries secure during travel. Convenient charging is done via the USB-C port. The battery provides more than 1.5 hours of continuous recording at 5.3K30 and over 2.5 hours of continuous recording at 1080p30.