Notebook Laptop Battery for Dell Inspiron 3420 3520 13r 14r 15r 17r N3010 N3110 N4010 N4050 N4110 N5110 N5010 N5030 N5040 N5050 M5110 M5010 M4110 M501,P/N J1knd 4t7jn - 1 Year Warranty (Normal choice) Battery type: Li-ion; Capacity: 5200mAh/58Wh;Voltage: 11.1V;Cells: 6-cell. Fancy Buying products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. Compatible Models : Inspiron N3010 N3110 N4010 N4050 N4110 N5110 N5010 N5030 N5040 N5050 N7010 N7110 M5110 M5010 M4110 M501 M503 M5030 M411r M511r Series . Compatible Part Numbers : J1KND 4T7JN 312-0234 04YRJH 9T48V 383CW W7H3N 312-0233 451-11510 07XFJJ 9TCXN YXVK2 Grade A cells ensure fast charges and low power consumption; Built-in circuit protection ensures both safety and stability. Brand new from Manufacturer. Up to 500 recharge cycles over the life of the battery. Operation time for standard batteries(6-cell, 5200mah): Around 2~3 hours, the actual operation time will depend on how much electricity is required by the device and how you use it. 24 x 7 email support, 12-month service.