TELESIN Batteries and Charger Kit is fully compatible with Original GoPro Hero 9 black. Note: Please do not remove the black tape on top of the battery, it’s for taking out battery easily from the charger. TELESIN Rechargeable Li-ion batteries capacity 1775mAh,30mAH more than the original battery.That means you have a higher capacity battery, more shooting time, and longer-lasting creative inspiration! Compact Quick Charger can charge 3 batteries simultaneously, with smart charging indicator LED light, Red for charging, Green for charging completed. Charging Time: about 2 hours for 3 batteries.