aMagisn AX13 2-slot Fast Charge Power Bank 7710mAh Capacity 20W Battery Charger PD3.0 Fast Charging Case with TF Card Slots Replacement for Insta360 X3 Batteries

Features:
【Charging Case with Built-in Battery】The charging case can work as a power bank to charge X3 batteries with built-in 7710mAh high-capacity battery to have your batteries in place at anytime and place for continuous creation.
【Fast Charging Speed】The power bank can charge 2pcs X3 batteries at the same time with power up to 20W. (Note: The power bank can't charge 2pcs X3 batteries at the same time if the USB-C cable of it is connected with external devices for charging.)
【Intelligent Charging for Different Battery Level】The charging power bank can intelligently switch the charging mode in accordance with different battery level,taking good care of your camera battery.
【Reverse Fast Charge for External Devices】The power bank can also charge smartphone, other action camera and other devices reversely with PD3.0 20W power via Type-C interface when no batteries were inserted for charging.
【Lightweight and Portable】Compact size and light weight, easy and convenient for carrying. With magnetic flipping cover, the batteries won't fall out of the charge box. The battery charging power bank can also be served as a battery and TF card storage box.