BTI DL-E5440X9 - Notebook battery - 1 x lithium ion 9-cell 8400 mAh - for Dell Latitude E5440, E5540
Battery InformationApplication/Usage: NotebookBattery Rechargeable: YesBattery Size: Proprietary Battery SizeBattery Chemistry: Lithium Ion (Li-Ion)Battery Capacity: 8400 mAhOutput Voltage: 10.8 V DCMiscellaneousCompatibility: Dell Latitude E544 NotebookEnvironmentally Friendly: YesEnvironmental Certification: WEEEWarrantyLimited Warranty: 18 Month