Gateway Notebook, Laptop Battery Li-ion Battery Fits Dell, Alienware M18x, Alienware M18x R1, Alienware M18x R2 14.8v,... CS-DEM180NB Quality components are important for the efficient and smooth operation of your battery. We always use the best parts. Contact us if there is any questions as to the fitment of the battery for your device its better that you do this before you order as return shipping if you make a mistake will be covered by yourself. we can select the correct battery for... View