The GoPro Dual Battery Charger + Battery (HERO5 Black) allows you to conveniently charge two HERO5 Black batteries simultaneously. Allowing you to charge your spare batteries while you use your camera, the Dual Battery charger can be charged via any USB port. For up to 45% faster charging, use with GoPro Supercharger (International Dual-Port Charger). 2 Dual LED indicator lights display the charging status. Includes a spare 1220mAh lithium-ion rechargeable HERO5 Black battery.