ProductNO.: LBAC34A1G Type: li-ionCapacity: 4400 mAhVoltage: 14.8 VColor: GreyCellSpec.: 18650Size: 138.00x95.10x24.40 (mm)NetWeight: 410 gCellQuantity: 8Series/Parallel:4S2PBatteryCode : 60.41H15.001,BTP-34A1FitLaptopModels: ACERTravelMate520,521,524,525,527,528,529,530Series