... lithium polymer battery)2, input voltage:5.5V>=0.5V;output voltage 5.5V>=0.5V 3,Size:60*60 ... & black Feature:1.USB output charge, support the iPhone/iPad/iPod/Sony Ericsson/Samsung/LG/Micro USB/Mini USB ... .Auto power off, make better use of battery energy.5. unique high-technology, provide overcharge protection, over-discharge protection ... 1pc 2200mAh Power Bank, Mobile Power, Portable Charger for Iphone