FLYREE 6Cell 48WH New J1KND Battery for Inspiron 3520 N5010 N5030 N5040 N5050 N5110 N7010 N7110 N4010 N4050 N4110 M5010 M5040,Vostro 2520 3450 3550 3750,fit 4T7JN 9JR2H 312-1201 High performance in great quality as the original, Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability Battery Type: Li- ion Voltage:11.1V Capacity:48WH Color:Black Cell:6-Cell. Compatible P/N: J1KND, J4XDH, 4T7JN, 383CW, 312-0234, 04YRJH, 965Y7, 9T48V, 383CW, W7H3N, 312-0233, 451-11510, 07XFJJ, 06P6PN, 9TCXN, 0YXVK2, YXVK2 Fit for Inspiron 13r 14r 15r 17r N3010 N3110 N4010 N4050 N4110 N5110 N5010 N5030 N5040 N5050 N7010 N7110 M5110 M5010 M4110 M501 M503 M5030 M411r M511r Series laptop battery 24 x 7 Email Support, 12 Months Warranty, 30 days money return guarantee