This Dual Battery Charger conveniently charges two batteries dynamically to give you a fully charged battery as soon as possible. Key Features: - Status lights let you know the batteries’ charge status even when you’re not plugged into power. - Comes with two Enduro batteries that you can use as replacements or spares for HERO13 Black What's in the Box: - 1x Dual Battery Charger (HERO13 Black)