6 Cell Dell J1KND Replacement 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 Laptop Battery laptop battery