Dual Battery Charger with Micro USB Cable for GoPro HERO 9 10 Black The charger compatible with GoPro HERO 9 10 Black perfectly; Dual Battery Charger makes it is convenient to charge two HERO9 Black official or replacement batteries simultaneously; Charges GoPro HERO9 10 Black AHDBT-901 battery; Easy to charge with the Micro USB cable, compatible with laptop, wall charger, car charger and power bank, good for traveling; Smart charging system prevents battery from overcharging, the red LED indicates charging, green indicates fully charged