GoPro Dual USB Battery Charger for GoPro HERO3/HERO3+ Batteries
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 Dual Battery Charger and Enduro Batteries | REI Co-op