... 0 to 100. 3,First Ultra-thin With digital percentage power OEM/ODM BD-U1 4500mA BD-U1 First Ultra-thin ... digital percentage powerBattery type:Polymer battery,A + + + + +Imported pure cobalt high conversion rate polymer batteryCapacity:4500mAh full capacity,digital display from ... with BD-U1 4000mA thineest models.Power bank with 10000mA,5600mA,3000mA,2200mA is still in stock.Also with 3G android OS ...