XPS M2010 Batterie or case

Good day,

I have a problem.
I have a Dell XPS M2010. Battery is defect. I am looking for a battery case. Or a battery.

Model.No: CS-DE 2010NB
Part No: CC384,312-0452 or CG451-10372 or DC390
Rating: 14.8V; 6600mAh; 97,7Wh

Does anyone have such a battery for sale ??

Please report: acyildiz@live.de

Thank you very much