Xtend Brand Replacement For AlienWare 17 18 17X-R5 M18X-R3 Battery

AlienWare 2F8K3 Battery for M17X-R5 and M18X-R3 18XR3 Models The 2F8K3 battery is for the Alienware M17X 5th generation (R5) and M18X 3rd generation (R3) laptops. The M17 laptop has a 17" screen and the M18 has an 18" screen measured diagonally). This battery is an internal battery which requires the case to be opened up in order to charge the battery. In order to ensure that you receive the correct battery you should take your battery out and compare it to the picture above.
Note: If you have a removable cartridge battery, this is not the correct battery. Earlier versions of this laptop use a different battery. (R1, R2 etc. ). We use the highest quality lithium-ion battery cells that charge faster, last longer and weigh less than cheaper, lower quality batteries. Each 2F8K3 battery is backed by a 2-year warranty and 30-day money back guarantee. Tech Specs Xtend brand; 14.8 Volts; 77 Whr; 8 Cell Li-ion; Samsung (South Korea); Black; Assembled in China; 2 Year Warranty; 30 day full satisfaction guarantee; 300-500 recharge cycles; You can expect about 3 - 3.5 hours of run time with this Alienware 17 battery when new, depending on your energy use. Replaces these many laptop battery part numbers: 02F8K3 0G33TT 0J33TT 0KJ2PX 0NU209 2F8K3 451-BBCB G33TT KJ2PX