Capacity: 63Wh/3941MAH
Cell: 4-Cell
Voltage: 15.2V
Battery type: Li-ion ^^ Replace
Part Number: RJ40G 01K2CF 075X16 WY9DX 0WK3F1 0M3KCN 005R42 ^^
Compatible Models: For Dell Latitude 14 5420 Series, Dell Latitude 15 5520 Series, Dell Precision 15 3560 Series, Dell P137G P137G001 P104F P104F001 P104F002. There are 2 battery(RJ40G-63Wh and WY9DX-42Wh)of the Latitude 5420 5520 laptop, Please choose the which one you are going to replace and according to your laptop's original battery.
^^ Safety: All products are rigorously tested to ensure correct voltage, circuit protection, capacity, stable current, low self-discharge and guaranteed battery life.