... Blackberry,Nokia,Sony-Ericsson,LG,PalmSpecification:1) Battery capacity: 4500mA/3.7V (Polyma Lithium-ion battery)2) Compatible with all generations Apple 4G ... iPhone 3) Output: 5V/1000mA4) Input: 5V/1000mA5) ... Four Led light indication, Press on the button to indicate real power in battery case from 25%,50%,75%,100%7) ...