NinjaBatt Battery for Dell J1KND 04YRJH Inspiron N5110 N5010 N5050 3520 15R N5030 N5040 17R N4010 N7010 N7110 M5030 M5040 N4110 Vostro 3550 3750 1540 3450 - High Performance [6 Cells/4400mAh]