This is a generic, equivalent one, 100% compatible. This 14.8V 4400mAh Replacement battery is designed to compatible with Dell Alienware 17 17X Alienware 18 18X Series.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 14.8V
* Battery Capacity: 4400mAh
* Chemistry: Li-ion
* Cell: 8 Cells
* Color: black
* recharge cycles： 500
* Operation time: Around 1.5-3.5hours
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
2F8K3, 02F8K3, KJ2PX,
0KJ2PX, G33TT, 0G33TT

Compatible with the following Dell Laptop models:
Dell Alienware 17 17X
Dell Alienware M17X-R5 Series
Dell Alienware 18 18X
Dell Alienware M18X-R3 Series

Package Included:
1 x Replacement Laptop Battery for Dell Alienware 17 17X Alienware 18 18X Series 14.8V 4400mAh