Amazin&reg; Perfume 2600mAh Portable Backup Battery Charger USB Power Bank for Smart Phones and other Digital Devices(Black) High Capacity 2600mAh Lipstick-Sized Universal Portable Charger Power Bank for USB Charged Devices Can Double or Triple the life of your digital device. Output:5V-1A Perfect for long road trips, flights and daily use High efficiency of power conversion Only portable charger