18650 Battery Box, DIY Power Bank 15W Charging L20 for All Models Of Mobile Phones(white)

Smart 18650 Battery Charger: Compatible with 18650 flat head lithium batteries. Each battery slot is individually charged and tested. After the battery is fully charged, the charging is automatically terminated. (Note: Please pay attention to the positive and negative poles).
LCD Display: Accurately display the battery level and keep of the battery status at any time. Power bank and rechargeable 18650 battery charger. Plug and play, the power output adopts the USB port, plug in the data line to achieve portability, and charge at any time.
Convenient to Use: Light in weight, small insize, easy to carry, will not increase your burden, convenient installation and operation, providing users a good using experience, has a wide range of uses and is a must have gift for you.
Wide Range of Uses: Compatible with all models of mobile phones for charging, with fast charging function and charging function, charging function only supports mobile phones that can be charged wirelessly.
DIY Mobile Power: Large capacity, 20 18650 batteries. Dual USB power banks can charge two devices at the same time. Three input ports, with fast charging function and 15W charging function. Any USB cable can charge the power bank.