DIY 2.1A USB Power Bank Case 4/6x18650 Battery Charger Box Case Kit For Phone C

Features:
    Brand new and high quality
    Dual USB ports makes it more convenient for you.
    2 LED light reminds stock energy.
    LED indicator, showing charging status and on/off status.
    Environmentally friendly and economic efficiency.
    Provides extra backup power to all devices that supports USB charging.
    Support replacement of 18650 Li-battery. Easy to use and secure
    Can install 4/6X 18650 battery (battery is not included, and you need to weld the batteries and the PCB board yourself)
    Can also be use as Battery charger for 18650 batteries
    Function: power bank and rechargeable 18650 battery charger
    Plug and Play, power output using the USB port, plug the data cable to achieve portable, ready to charge
    Compatible with: iPhone6 plus/6/5S,Samsung Galaxy S2/S3/S4, Note 2/3/4, HTC, Sony, Motorola and other cellphones with a micro usb socket(can charge all cell phones with your own USB cable)
    Cell type: 18650 battery?not included?
    Input:DC 5V/1A
    Output:DC 5V/2.1A
    Size:12.3*7.5*2.2cm
Package Includes?1x Power Bank Case Kit