The Insta360 Battery Charging Station for ONE X Camera charges two ONE X batteries simultaneously in approximately 60 minutes. The charging station features three LED lights indicating red for charge in progress, green for fully charged, and alternating red-to-green if the battery is not inserted. The charger is powered with a micro-USB adapter and supports one or two 1200mAh 4.35V LiPo batteries specifically designed to work with the ONE X camera. Batteries are not included.