Citra Juice C12 12000mAh External Battery Pack Dual USB Power Bank Backup Charger for iPhone 4 4S 5 5S 5C 6 iPad Air Mini, iPod, Samsung Galaxy S5 S4 S3 S2 , Note, HTC, Nexus, Android Smartphone, and other USB-charged devices Output: 2 USB - (5V/ 1A and 5V/ 2.1A) Input: 5V/ 1.5A. Patented digital numerical indicator via LCD panel High quality Samsung or LG UL approved Li-ion cell Built-in MCU monitor to ensure safe and efficient charging no fear of over-charging or over-heating Package contents: Citra Juice C12, micro usb cable, mini usb adapater, apple 30 pin adapter, user manual