Bay Valley Parts 6-Cell 11.1V 5200mAh New Replacement Laptop Battery for DELL:0FU268,0FU272,0FU274,0FU439,0KY266,0KY268,0KY466,0KY477,0MP303,0MP307,0MP490,0NM631,0NM632,0NM633,0PT434,0PT435,0PT436,0PT437,0PT644,312-0748,312-0754,312-0917,451-10583,C719R,FU268,FU272,FU274,FU439,KY266,KY268,KY466,KY477,MP303,MP307,MP490,NM631,NM632,NM633,PT434,PT435,PT436,PT437,PT644,U844G DELL: Latitude E6400,Latitude E6400 ATG,Latitude E6400 XFR,Latitude E6410,Latitude E6410 ATG,Latitude E6500,Latitude E6510,Precision M2400,Precision M4400,Precision M4500,Precision M6400