GoPro Dual Battery Charger + Battery for HERO9/HERO10 Black | Band Pro
Dual Charger Gopro Battery | Go Pro Hero 9 Battery Charger - ☆② Accessory Black - Aliexpress
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