Extended Performance Replacement Battery for select Dell Laptop / Notebook / Compatible with Dell N4010, N5010D, N5010R, N5030, N5030D, N5030R, N5110, M501, M501D, M501R, M5010, M5010D, M5010R, M5030, M5030D, M5030R, 17R, N7010, N7010, 13R, N3010, N3010D, N3010R, N3110, 14R, N4010, N4010D, N4010R, N4110, 15R, N5010, N7010D, N7010R, N7110, Vostro 3450, Vostro 3550, Vostro 3555, Vostro 3750, 8NH55, J1KND, 04YRJH, FMHC10, TKV2V ( 6 Cell, 4400 mAh )