WinnerEco USB Power Bank Kit 5x18650 Battery Charger DIY Box Case Holder Compatible with Android Smartphone Devices(White) Support replacement of 18650 Li-battery. Easy to use and secure Can install 5X 18650 battery (battery is not included) Can also be use as Battery charger for 18650 batteries Function: power bank and rechargeable 18650 battery charger 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)