USTOP&trade;Yellow Square cylinder Lipstick 2600mAh USB Port External Charger Portable Power Bank Battery for Samsung Galaxy Note III Mini Samsung Galaxy Mega other Mobile Phone Capacity: 2600mAh Cell: 3.7V/18650 Input: 5V/800mA; Output: 5V/800mA Charging time: about 5 hours Cycle life: at least 500 times