Upgrade your gaming experience with this high-capacity 7800mAh laptop battery designed for Dell Alienware M17x. With 11.1V voltage and LiPo battery type, this unit ensures long-lasting performance for your gaming needs. It is compatible with various models of Dell Alienware laptops, including the M17x R3, M17x R4, 7XC9N, BTYVOY1, C0C5M, BTYV0Y1, and 318-0397. This black laptop battery is a reliable replacement or upgrade option for your Dell Alienware M17x. It comes in a unit quantity of 1Pcs and is manufactured in China. With 12 battery cells, this unit ensures maximum power for your gaming needs. Get ready to enjoy an uninterrupted gaming session with this high-performance laptop battery.