Notes: There are 2 battery models fit for your laptop: RJ40G 64Wh and WY9DX 42Wh, Please open your laptop case to confirm your original battery shape and then choose the right one.The Battery We are selling is RJ40G 63Wh 4Cells.

Specification:
Battery type:Li-ion
Voltage:15.2V
Capacity:63Wh
Cells: 4Cell
recharge cycles： 500

Replacement Part Number:
RJ40G 01K2CF 075X16 WY9DX 0WK3F1 0M3KCN 005R42

Compatible Machine Models:Please Press "Ctrl+F" to find your model
For Dell Latitude 14 5420 CHKFM FDTCY XPC5H series;
For Dell Latitude 15 5520 39V1H FPKNM series;
For Dell Precision 15 3560 3H45Y 4MTF7 758J7 7RV10 F3T9T series

For Dell Latitude 14 5420 series.
For Dell Latitude 15 5520 series.
For Dell Precision 15 3560 series.

On Nov 26, 2025 at 18:08:08 PST, seller added the following information: