1.Portable,multiple,rechargeable 2.Real capacity,long lifetime 3.Good quality,low price 4.CE,FCC,ROHS 2500mAh battery mobile ... friendly material5.Portable,rechargeableSpecification Product's nameUSB chargerCapacity6600mAhInternal battery typeLi-polymer cellSize105*55*13mmColorWhite,black,red and ... CAMERA etc. Product's photos ConnectorsFactory 2500mAh battery mobile power bank for cell phone