Compatible Models:

Laptop model: Dell Alienware M17x R3 R4 Series,

Not fit M17X R1 R2

Compatible Part Numbers:

BTYV0Y1 C0C5M 5WP5W 7XC9N 318-0397

Compatible Models:

Laptop model: Dell Alienware M17x R3 R4 Series,

Not fit M17X R1 R2

4, Compatible Part Numbers:

BTYV0Y1 C0C5M 5WP5W 7XC9N 318-0397

If the battery is still not charging fully/being recognized, here is the steps to try: 
1.Turn off the laptop. 
2.Unplug AC power. 
3.Remove the battery. 
4.Replace AC power. 
5.Turn on laptop,allow OS to boot. 
6.Once logged in to the machine,perform a normal shut down. 
7.Unplug AC power. 
8.Replace battery 
9.Turn on laptop,allow OS to boot.

100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. CE/Rohs/FCC-Certified for safety.

Return Policy
1. Warranty and Guarantee terms start from purchase date.We have 1- year warranty.
2. If you received an incorrect, damaged, defective, or item not as described, pls contact us Via Email for a partial/full refund or replacement.