Two cold-weather batteries + a dual charger. Conveniently charge two GoPro batteries simultaneously, plus give your camera an extra boost. This pack includes a Dual Charger and two advanced Enduro batteries that provide significantly longer runtimes and dramatically improved cold-weather performance compared to standard GoPro batteries. -2 x Enduro Rechargeable Batteries -1720mAh Capacity Lithium-Ion -Dual-Battery Charger with LED Indicators -USB Input Port -for HERO9/10/11/12 Black