1.USB power bank 3x flat 18650 battery charger box.(Not included the battery) Function: power bank and rechargeable 18650 battery charger.
2.Positive and negative poles cannot be reversed, no reverse polarity protection function. With Micro USB,Type C,lightning charge input,easy to use.
3.Plug and Play, power output using the USB port, plug the data cable to achieve portable, ready to charge.DIY a power bank for your phone.
4.Suitable for most of the popular mobile phones and other electronic devices, including mobile phone, Bluetooth, PSP/MP4/MP5, etc. As for special mobile phone or other electronic devices that has a special interface, such as iPhone X 8, you can connect the bank power by using your original USB data cable.
5.Pls Note: this item is a DIY charger case, and you have to install it by yourself (it is easy installed)No Battery is included, Only Power Bank Case.