Always on the go? No more worries about running out of battery power! You can power your Laptop with this 3-Cell Lithium-Ion Battery from DellTM. With a capacity of up to 43 WHr, the battery lets your laptop work seamlessly when you are on the move. 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.