Recharge up to three batteries for your X4 camera in just 43 minutes using this Fast Charge Hub from Insta360. The hub can charge three 2290mAh batteries simultaneously. The USB-C port supports PD fast charging, which can get your batteries to 80% charged in 26 minutes. LED indicators display the status of each battery slot for easy monitoring. Use the included USB-C cable to connect the hub to a power source of your choice.