TWB Premium Grade Generic Laptop Battery For Dell Alienware M17X R3 TWB Batteries are the perfect choice that you can make for your computer. Very affordable, The best quality batteries on the market. Long Life durable Battery for your Laptop Item Specification: Type: Brand new and high quality! Chemistry: Li-ion Voltage: 11.1V Capacity: 90WH Replace with Part number: 7XC9N 07XC9N BTYVOY1 C0C5M 0C0C5M 318-0397 05WP5W 5WP5W CN-07XC9N AM17XR3-6842BK Compatible with: Alienware M17x Series Alienware M17x R3 Series Alienware M17x R4 Series Package contains: 1 x battery What's in the box 1 X Laptop Battery