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 45 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. 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.