AGS 12000mah Power Bank Portable External Battery Charger for Iphone, Ipad, Samsung Galaxy, Tab, Note, Nexus and Others (Black) Premium Samsung cells, truly 12000mah. Input: 5V dc 1.0A, Two output ports: 5V dc 1.0A and 2.0A. Fast and high capacity, charge iPad air once, iPhone 5s five times, Samsung Galaxy S5 almost three 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. 1-100% display how much juice you left.