... 11,200mAh External Power bank/Portable Battery Pack/Extended back up battery with Dual port charging iphone,smartphones,PDA ... , GPS Features:1.High quality Li-ion battery, over 500 time life cycle2.Powerful battery ... .6.Dual IC Protection 7.Complies with environmental requirementsSpecification:Battery capacity: 8800-11,200mAhBattery Type: ...