This ZMI 10000mAh Mobile Power Bank strikes the perfect balance between beauty and practicability. It adopts ATL lithium polymer battery cell, with only 10.5mm thickness, super slim for convenient storage. The conversation rate can be as high as 93%, extra 500mah more than normal power bank. It is fully compatible with Xiaomi / iPhone / Samsung / HTC etc. mobile phones and tablets, digital cameras and game consoles.