laptop (notebook )battery for ACER Travelmate 620, 630 Series Volatge:14.8V,Capacity:4400mAh,Color:Dark Grey Cell ... Li-ion laptop battery(notebook battery) for ACER Travelmate 620, 630 SeriesBattery code for BTP-39D1Voltage:14.8VCapacity:4400mAhColor: Dark GreyCell ... year warranty laptop battery(notebook battery) for ACER Travelmate 620, 630 Series