Dr. Battery WY9DX laptop battery 15.2V 3000mAh for Dell Latitude 5420 5520 Precision 3560

Replacement battery for Latitude 5420 5520

This Dr. Battery Professional Series unit is a direct replacement for Dell Latitude 14 5420 Series Dell Latitude 15 5520 Series and Dell Precision 15 3560 Series laptops. It uses lithium polymer cells rated at 15.2V and 3000 mAh to restore original runtime. Built-in protection guards against over-charge over-discharge overheating and short-circuit. The battery is new and ready for professional or everyday productivity use.

Verify your Dell part number before ordering

Check the original battery label for one of the listed Dell part numbers such as 005R42 01K2CF 075X16 0M3KCN 0WK3F1 P104F P104F001 P104F002 P137G P137G001 RJ40G or WY9DX. Confirm your laptop model matches Latitude 14 5420 Series Latitude 15 5520 Series or Precision 15 3560 Series. This battery is not suitable for other Dell series or non-Dell devices.

OEM-grade cells and integrated safety change

The Professional Series build uses OEM-grade cells to deliver stable output and long cycle life without additional software. Integrated safety circuitry handles over-charge over-discharge overheating and short-circuit protection automatically. No drivers or utilities are required; the battery communicates with the laptop firmware exactly like the original unit.