The GoPro Dual Battery Charger with Rechargeable Battery bundle features a dual charger and a standard 1600mAh battery to power your GoPro MAX 360 camera. The charger allows you to charge a single battery or two batteries sequentially. It charges the battery with the most remaining runtime first to provide you with a fully charged battery as soon as possible. Separate LED indicators confirm the charging status of each battery. The charger plugs into a USB power source and a compatible USB Type-C cable is included.