Iwoo 4200 mAh Portable External Power Bank Battery Charge Case Cover for Samsung Galaxy Note II ,7100
Output voltage:5vOutput current: 750mah input voltage: 5vinput current: 750mah cell type: lithum polymerbattery cycle life: 500 times operating temperature: -10℃-45℃ charging time: 3.5h weight: 80g dimension: 162*88*23mm