Power bank Cases

Feature： 1. Large Capacity： Support 8x21700 batteries (excluding batteries). Dual USB mobile power supply can charge two devices at the same time. Three input ports, with fast charging function and 15 more→W wireless charging function. Any USB cable can charge the mobile power supply. 2. Smart 21700 Battery Charger： 21700 battery power bank case is compatible with 21700 lithium battery (not included). Each battery slot is charged and tested separately. The battery will automatically stop charging when fully charged. (Note： please pay attention to the positive and negative poles). 3. LCD Display： 21700 battery power bank box can accurately display the power and keep track of the battery status. Mobile po…