Power Bank is an emergency charger for your mobile phone or small portable device that can recharge from a USB port. Power Bank contains a 2200mah A-grade li-ion cell which is enough capacity to recharge most phones on the market. Includes USB to Micro USB cable for charging Power Bank and to charge any phone/device that has a Micro USB input. It will charge iPhones, and most Android and other mobile phones with one charging cycle. Not suitable for iPad or tablet devices that draw a higher current.