6-Cell 4400mAh Laptop Battery for DELL Inspiron 13R 14R 15R 17R M411R M501 M5010 M5010D M5010R M501D M501R M5030 M5030D M5030R M511R N3010 N3010D N3010D-148 N3010D-168 N3010D-178 N3010D-248 N3010D-268 N3010R N3110 N4010 N4010-148 N4010D N4010D-158 N4010D-248 N4010D-258 N4010R N4050 N4110 N5010 N5010D-148 N5010D-168 N5010D-258 N5010D-278 N5010R N5030 N5030D N5030R N5110 N7010 N7010D N7010R N7110; VOSTRO 1450 3450 3550 3750