Overview Always on the go? No more worries about running out of battery power! You can power your Laptop with this 4-Cell Lithium-Ion Battery from Dell™. With a capacity of up to 51 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 ourGenuine 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.