... : 4500mA/3.7V (Polyma Lithium-ion battery)2) Compatible with all generations Apple 4G iPhone 3) Output: 5V/1000mA4) Input ... Press on the button to indicate real power in battery case from 25%,50%,75%,100%7) It is ... USB, iphone, mini USB)9)3000mAh Capacity buildin battery can charge two times of your mobilephone.10)Whole set ... cable, Connectors *6pcs( other is opptional) 4500mah external battery charger