Power Pack For Samsung i9300 1.2600mAh Capacity 2. ... OEM Portable external battery Back up battery case power pack for Glaxy3 i9300 Features:1.material:Lithium- ... :5V,500mah, output:5V,600mah4.Compatible brand :for samsungGlaxy3 I9300,5.Charging time:3-4 hours ... 60PCS Customer first,Quality formost !! Portable external battery case for samsung galaxy s3 Back up battery case power pack for Glaxy3 i9300