WY9DX Laptop Battery 42Wh Replacement for Dell Latitude 14 5420 15 5520

Specifications: Battery type: Li-ion. Color: Black. Voltage: 11.4V. Capacity: 42Wh/3-Cell/3500mAh. Package includes 2 professional screwdrivers. No extra tools needed. Swap your old battery in minutes.
Compatible Part Number: WY9DX RJ40G 1K2CF 01K2CF 75X16 075X16 005R42 WK3F1 0WK3F1 M3KCN 0M3KCN
Compatible with Laptop Models: Replacement for Dell Latitude 14 5420 Series: Dell Latitude 14 5420 CHKFM; Dell Latitude 14 5420 FDTCY; Dell Latitude 14 5420 XPC5H; Replacement for Dell Latitude 15 5520 Series: Dell Latitude 15 5520 39V1H; Dell Latitude 15 5520 FPKNM; Replacement for Dell Precision 15 3560 Series: Dell Precision 15 3560 3H45Y; Dell Precision 15 3560 4MTF7; Dell Precision 15 3560 758J7; Dell Precision 15 3560 7RV10; Dell Precision 15 3560 F3T9T; Replacement for Dell P137G P137G001, Dell P104F P104F001 P104F002 Series
Note: The Dell laptop models on this product page are compatible with 2 battery models: WY9DX (42Wh 3-Cell) , RJ40G(63Wh 4-Cell). Please open the back cover of your laptop to check the original battery size and capacity before placing an order.
Note: If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 10-20% (not 0%), then charge and cycle 3-4 times to wake up the new battery