9 Cell 6600mah Extended Laptop Battery for Dell Inspiron N4010 N4010d N5010 N5050 N5010d N5030 N7010 N7110 M501 13r 14r 15r 04yrjh 06p6pn 07xfjj 312-0233 312-1205 383cw 451-11510 J1knd Wt2p4 Laptops Warranty of the laptop battery:12 Months! ;30 Days Money Back Guarantee Laptop Battery type: Li-ion; Capacity: 6600mAh/58WH; Cells: 9 ; Voltage: 11.1V Package indluded:One laptop battery (in strong box)