CUEPY 11.1V 60Wh M5Y0X T54FJ E6420 Laptop Battery for Dell Latitude E5420 E5520 E6420 E6520 Laptop Battery - Dell T54FJ -15 Months Warranty Battery Type: Li-ion DELL New Replacement Battery Voltage: 11.1V Capacity:60Wh Cells: 6-cell Color: Black 100% compatible  Compatible with Dell Latitude E5420 E5430 E5530 E6420 E6430 E6520 E6530 Inspiron 4420 5420 5425 7420 7520 4720 5720 M421R M521R N4420 N4720 N5420 N5720 N7420 Vostro 3460 3560 P/N: 312-1163, 451-11704, HCJWT, 312-1242, X57F1, M5Y0X, T54FJ, KJ321, T54F3 Safety & Stability   100% new dell latitude battery CE-/ FCC- / RoHS- Certified for safety. Every dell laptop battery has passed factory testing. Built-in circuit protection ensures both safety and stability. Up to 500 recharge cycles over the life of the battery   Grade A cells ensure fast charges and low power consumption. Exclusive Offering of High Performance, Long Lasting; offering 500+ recharge cycles over life of battery. 15 Months Warranty   15 months warranty 30 days money return guarantee. Follow Amazon's return principle, 24 hours customer service online.