4400mah portable battery pack 1.fashion design 2.mini portable battery 4400mah portable battery pack It is a rechargeable backup battery 4400mAh Lithium-ion battery. Specification:1) Battery capacity: 4400mA/3.7V (Lithium-ion battery)2) Compatible with all generations iphone, ipad,mobiles, psp,gps,camera,etc.3) Output: 5V 1000mA4) Input: 5V 1000mA5) It come with a USB cable ( optional cable: mini ...