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Black rectangular laptop battery with label showing 42Wh 11.4V 3-cell

xjlelectronics 42Wh 11.4V 3-Cell Battery for Dell Latitude 5420 5520 Precision 3560 WY9DX

SKU CH-91VP-ZWT16

Three-cell 42 Wh 11.4 V Li-ion replacement battery for Dell Latitude 5420, 5520 and Precision 3560 laptops

  • ColorBlack
  • TypeBattery
  • CompatibilityFor Dell Latitude 14 5420 15 5520
  • Battery TypeLaptop Batteries
  • Battery Voltage11.4V
  • Battery Capacity42WH
  • 42Wh capacity powers Latitude 5420 and 5520 models
  • 4V Li-ion chemistry matches original Dell specifications
  • Three-cell design fits Precision 3560 series laptops
  • Replaces WY9DX, 01K2CF, 075X16 and other Dell part numbers
  • One-year manufacturer warranty covers the new replacement battery

Replacement Battery for Latitude 5420 5520

This 42Wh lithium-ion battery operates at 11.4V and fits Dell Latitude 14 5420, Latitude 15 5520 and Precision 15 3560 laptops. It replaces Dell part numbers WY9DX, P137G, P104F and others listed by the manufacturer. The three-cell pack is supplied new in black.

No Bundled Accessories Included

The package contains only the battery unit itself. No tools, cables, driver discs or installation software are provided. Users must reuse existing hardware and follow the manufacturer's guidance to cycle the cell three to four times after fitting.

Suits Owners of Compatible Dell Models

This unit suits owners of the listed Latitude and Precision models who have confirmed their original battery is the 42Wh three-cell version. Buyers whose laptops require the 63Wh four-cell alternative should look at a different capacity.

Highlights

  • 42Wh capacity powers Latitude 5420 and 5520 models
  • 4V Li-ion chemistry matches original Dell specifications
  • Three-cell design fits Precision 3560 series laptops
  • Replaces WY9DX, 01K2CF, 075X16 and other Dell part numbers
  • One-year manufacturer warranty covers the new replacement battery

Specifications

ModelFor Dell Latitude 14 5420 15 5520
Part NumberDoes Not Apply
ColorBlack
TypeBattery
CompatibilityFor Dell Latitude 14 5420 15 5520
Battery TypeLaptop Batteries
Battery Voltage11.4V
Battery Capacity42WH
FeaturesAC & DC, Li-Ion, 42wh, 11.4 V, 3-CELL, For Dell Latitude 14 5420 15 5520, 1 Year

Questions about this item

How many charge cycles can the 3-cell Li-Ion 42Wh pack handle before capacity drops?

The 3-cell 42Wh Li-Ion battery is rated for typical Li-Ion cycle life; capacity will gradually reduce after several hundred full cycles.

What thermal limit appears first when the 11.4V 42Wh battery runs a Dell Precision 3560 under sustained load?

The pack’s internal temperature protection triggers before the cells reach their upper thermal limit during prolonged high-drain use.

Does the 42Wh 3-cell WY9DX replacement generate noticeable heat or fan noise during all-day operation in a Latitude 5420?

The battery itself runs cool; any extra heat or fan noise comes from the laptop’s own thermal management under load.

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