. Chemistry: Li-ion
. Voltage: 11.4V
. Capacity: 3680mAh (42Wh)
. Color: Black
. Condition: New replacement battery, One year warranty!
Compatible with Battery code:
005R42, 0WK3F1, WY9DX
Compatible with Laptop Models:
For Dell Latitude 5520, Latitude 5420
Package Content:1 X WY9DX Replacement Battery For Dell Latitude 5520 Latitude 5420 Laptops
Battery Use Tip:
1. if it possible then remove a charged WY9DX battery when your device is plugged in.
2. If possible then try to use energy-saving settings on your electronics.
3. Charge fully your new lithium-ion WY9DX battery for the first three cycles.
4. Avoid exposure to extreme temperatures, also your WY9DX battery can die if there will to fast temperature changes from low to high.
5. Always use the proper ac adapter charger for your device.