Compatible with iPhone 6 Plus [5.5"] in All updated system. As Apple patent right,we are not allowed to offer the lightning connector.You can connect the bank power by using your OWN original Apple lightning cable. Note:Pls do not charge the case and phone simultaneously,it will damage them.Pls charge the case alone. **How to use it: 1.Show battery status: Press the power button, the LEDs indicator will be lighten immediately, show the power status.The fist light show is 1-25%,the second light show is 26%-50%.the third light show is 51%-75%.the light show is 76%-100%. 2,Charge iPhone: Push your iPhone into the battery Cover. Insert to the connector, make then connect right, press the ON/OFF button to start or stop the charging,see the iPhone screen to identify the charging signal. 3,Charge the power bank: Plug your apple original cable in the charging port of the battery,then connect to USB adapter to wall socket.When charging,the indicator light will be on. The first light show is 1-25%,the second light show is 26%-50%.the third light show is 51%-75%.the fourth show is 76%-100%