Always on the go No more worries about running out of battery power! You can power your Laptop with this 4Cell LithiumIon Battery from Dell. With a capacity of up to 58 WHr the battery lets your laptop work seamlessly when you are on the move. Compatibility Genuine Dellbranded 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 Dellbranded parts should fail we will replace them. Genuine Dellbranded parts mean that you will not need to worry about voiding your systems hardware warranty. NonDell 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 Dellbranded parts upgrade. Parts purchased from other sources will not be supported by Dell.