11.1V, 3900mAh, Li-Polymer Battery fits Dell, Inspiron 14-3421, Inspiron 14-5421, 43.29WhBattery Fits Models: Inspiron 14 3421, Inspiron 14 5421, Inspiron 14 n3421, Inspiron 14 n5421, Inspiron 14r, Inspiron 14r 3421, Inspiron 14r 5421, Inspiron 14r n3421, Inspiron 14r n5421, Inspiron 14z Ultrabook, Inspiron 14z 5423, Inspiron 3421, Inspiron 5421, Inspiron 5423, Inspiron N3421, Inspiron N5421 Battery Part Numbers: 2njnf, 8jvdg, Tpmcf The replacement battery listed here is developed using the highest quality components. The Cameron Sino