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Rectangular black lithium-ion laptop battery with connector on one side

PISKEKAT

PISKEKAT RJ40G 63Wh laptop battery

SKU CH-RVPJ-E23ZV MPN RJ40G

Replacement Li-ion battery delivering 63 Wh at 15.2 V for Dell Latitude 5420, 5520 and Precision 3560 models

  • Battery TypeLaptop Batteries
  • 63 Wh capacity powers Dell Latitude 5420, 5520 and Precision 3560
  • 2 V 3941 mAh lithium-ion cell matches original voltage and runtime
  • Four-cell design fits P137G, P104F and 0WK3F1 part numbers
  • Replaces OEM batteries 01K2CF 075X16 0M3KCN 005R42 15 2CF
  • New condition includes battery and instruction sheet for immediate install

63Wh Li-ion battery for Dell Latitude and Precision

The PISKEKAT RJ40G is a 15.2V lithium-ion replacement battery rated at 63Wh and 3941mAh. It is built to fit Dell Latitude 14 5420, Latitude 15 5520 and Precision 15 3560 series notebooks. The unit ships new in black and matches part numbers such as RJ40G, 0WK3F1, 0M3KCN and 005R42.

Suitable for owners of the listed Dell models

Buyers should verify the exact model and shape inside their machine before ordering. This battery does not support laptops outside the specified Latitude and Precision lines, so users with different Dell series or other brands must look elsewhere.

Includes battery and printed instructions only

The package contains one battery and one instruction sheet. No tools, screws or additional cables are supplied, so installers must reuse existing hardware or source it separately.

Highlights

  • 63 Wh capacity powers Dell Latitude 5420, 5520 and Precision 3560
  • 2 V 3941 mAh lithium-ion cell matches original voltage and runtime
  • Four-cell design fits P137G, P104F and 0WK3F1 part numbers
  • Replaces OEM batteries 01K2CF 075X16 0M3KCN 005R42 15 2CF
  • New condition includes battery and instruction sheet for immediate install

Specifications

Battery TypeLaptop Batteries

Questions about this item

Which Dell laptop series must I own for the RJ40G 63Wh battery to fit?

It fits Dell Latitude 14 5420, Latitude 15 5520 and Precision 15 3560 series notebooks

Will the 15.2V 3941mAh pack work with the original charger I already use for my Latitude 5520?

Yes, the voltage and connector match the original P137G P104F modules so your existing 15.2V adapter charges it normally

How can I confirm the RJ40G is delivering its rated 63Wh after installation?

Check the BIOS battery information page — it should report 15.2V and a design capacity near 3941mAh or 63Wh

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