Get longer battery life and improved laptop performance with a new Alienware M15-R2 battery. This battery is compatible with the AlienWare M15-R2 and M17-R2 models. It is also compatible with the 8K84Y and Y9M6F battery part numbers.
NOTE: This battery IS NOT compatible with the Alienware Area 51 R1 M15x models or M15x R1 model batteries.
A full list of compatible laptop battery part numbers can be found below. Don't see yours? Go to our AlienWare battery page for the complete list.
We use the best quality lithium-ion battery cells and components. Higher quality components last longer and weigh less than cheaper, lower quality ones. This Alienware M15 R2 battery is 100% compatible with the original battery specifications and is individually tested and backed by a 1 year warranty. We offer a 30-day money back guarantee in the event that your battery does not perform or work with your laptop.
