Detailed Product Description Notebook battery for TOSHIBA Tecra 8100 PA3009U detailed description : Color: GrayType: Li-ionVoltage: 10.8VCapacity: 4500mAh Fit models:TOSHIBA Tecra 8100 Series Laptop BatteryPart No.: B411, PA3009, PA3009U, PA3009U-1BAR, PA3009U-1BAT, PA3009UR, PA3009UR-1BAR