Amazon.com: Battery Charger for GoPro Hero 9/10/11 Support Reverse Charging with Type-C Port to Charge and Discharge GoPro 9/10/11 Battery (Battery not Included) : Electronics
④GoPro HERO 11/10/9 Black Battery Collection Dual Battery Charger+Enduro Batteries for Go Pro Accessory Official gopro battery - AliExpress