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
GoPro Supercharger Instruction Manual | Manualzz
GoPro Dual Battery Charger + Battery Charger and battery for GoPro HERO series at Crutchfield