2 high-performance rechargeable batteries for all weather conditionsGet even more adventure with the redesigned enduro, the high-performance battery for your HERO13 Black. The enduro gives you exceptionally long recording times under the most different conditions and temperaturesno matter whether in sweat-inducing heat or clinging cold. You'll receive 2 enduro batteries that you can use to replace or reserve the battery that came with your GoPro so you won't miss an opportunity.MORE FUN WITH 2 BATTERIESNever worry about the power supply again: Get the enduro pack of 2 for the HERO13 Black. With a revised battery connector for the HERO13 Black WAS, these batteries offer greater efficiency and longer battery lifeno matter what weather god puts you in the way for stones. The enduro battery for the HERO13 BLACK is not compatible with older GoPro models.LONGER RUNNING TIMESThe enduro battery is our most powerful battery ever, delivering over 1.5 hours of continuous shooting at 5.3K30