AGS 7800mah Power Bank Portable External Battery Charger for Iphone, Ipad, Samsung Galaxy, Tab, Note, Nexus and Others (Black) Premium Samsung cells, truly 7800 mah. Input: 5V dc 1.0A, Two output ports: 5V dc 1.0A and 2.0A. Fast and high capacity, charge iPad mini once, iPhone 5s three times, Samsung Galaxy S5 almost 2 times and other smartphones multiple times. Auto detect to charge your phone when cable connect and auto power switch off in 10 second when cable disconnect. 4 LEDs display how much juice you left.