Always on the go? No more worries about running out of battery power! You can power your Laptop with this 6-Cell Lithium-Ion Battery from Dell . With a capacity of up to 65 WHr, the battery lets your laptop work seamlessly when you are on the move. Compatibility Genuine Dell-branded parts undergo rigorous testing by qualified engineers to ensure compatibility and reliability in your Dell system Our sustaining qualification process allows for testing and certification of the newest technology on your Dell system Quality Dell uses only OEM grade quality components Warranty Our Limited One Year Warranty guarantees that if our Genuine Dell-branded parts should fail, we will replace them Genuine Dell-branded parts mean that you will not need to worry about voiding your system’s hardware warranty Non-Dell parts are not covered and may void your system warranty For more information about warranties, please click here: www.dell.com/warranty Technical Support Our experienced technical support staff is available to answer any questions regarding your genuine Dell-branded parts upgrade Parts purchased from other sources will not be supported by Dell Device Type: Notebook battery Weight: 11.52 oz Battery: Lithium ion 6-cell - 65 Wh Batteries Qty: 1 Dimensions (WxDxH): 8.2 in x 1.9 in x 0.8 in Manufacturer Warranty: 1 year warranty Designed For: Latitude E6440, E6540; Precision Mobile Workstation M2800 Device Type: Notebook battery Quantity: 1 Technology: 6-cell lithium ion Capacity: 65 Wh Service & Support: Limited warranty - 1 year Width: 8.2 in Depth: 1.9 in Height: 0.8 in Weight: 11.52 oz Designed For: Dell Latitude E6440, E6540 Dell Precision Mobile Workstation M2800