This product, the GoPro Dual-Battery Charger with Two Enduro Batteries for HERO13 Black. It comes with two powerful Enduro batteries and a dual-battery charger, providing you with enhanced power options for your HERO13 Black or HERO13 Black Creator Edition action camera. The Enduro batteries have a capacity of 1900mAh, enabling you to extend your recording time. Additionally, these batteries are specially designed to perform well in colder temperatures and have a 40% longer battery life compared to standard batteries. The dual-battery charger included in this package can charge both batteries simultaneously and features a convenient USB input port.