JYJZPB 8 Slots Hero 12 Battery Charger for GoPro Hero12 Hero11 Hero10 Hero9 Black Enduro Battery, Multi-Bay Charger Go Pro Hero 12/11/10/9 Batteries, Fast Charging

Do you trust third-party chargers? https://a.co/d/03EDefS9 If not, even GoPro's two-slot charger will double your capacity. Just make sure the USB power supply can output enough power to all the ports at once.