New OEM Genuine Original J1KND 48Wh 6-Cell Replacement Laptop Battery for Dell Inspiron M4040,Inspiron M411R,Inspiron M5040,Inspiron M511R,Inspiron N3110, Inspiron N4050,Inspiron N5050,Vostro 1450,Vostro 1440,Vostro 1540, Vostro 1550, Vostro 3450,Vostro 3550,Vostro 3750,Dell Inspiron 13R,14R,15R,M501,M5010,N3010,N4010,N5010,N5030,N7010 Series