Two cold-weather batteries + a dual charger.Includes a Dual Charger that lets you charge two GoPro batteries simultaneously, plus two Enduro batteries that you can use as replacements or spares for HERO12 Black or HERO11 Black. They can also be used with HERO10 Black to improve cold weather performance while extending recording times in moderate temperatures.- Enduro Battery -Our best battery for max performanceEnduro is a revolutionary high-performance battery that you can use as a replacement or spare for the one that was included with HERO12 Black or HERO11 Black. It can also be used with HERO10 Black to dramatically improve performance in cold temperatures while also extending recording times in moderate temperatures. Enduro lets you power through ski, snowboard and other winter shots at lower temperatures than ever before. Faster charging also means less waiting and more time chasing your adventure.