... LED, Surface Treatment by paint rubber, Cell Type is lithium battery,Capacity is 1900mAh.feature:1.Power Switch:ON/ ... First of all,pls turn on the switch,When lithium battery is full of power,pls insert iphone4,then ... side,in that case it is charging.When the lithium battery is dead,pls insert USB cable into it ... USB port.Now it is able to charge for lithium batter,after it is full of power,pls operate as ...