1,Fashion Design 2,4500mAfull capacity 3.digital display from 0 to 100. 3,First Ultra-thin With digital percentage power OEM/ ... conversion rate polymer batteryCapacity:4500mAh full capacity,digital display from 0 to 100.Input voltage/current:5V/1AOutput voltage/current:5.0V ... still in stock.Also with 3G android OS 4.0.3,and 4.0.4,also newest OS 4.1 Android systerm ...