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Rectangular black lithium-ion battery pack with four cells and a small screwdriver

ALSEYE

ALSEYE 63Wh RJ40G 4-Cell Li-ion Battery for Dell Latitude 5420 5520 Precision 3560

SKU CH-17KF-7G36Z

63 Wh lithium-ion replacement battery for Dell Latitude 5420, 5520 and Precision 3560 with included screwdriver

  • 63 Wh capacity extends runtime on compatible Dell laptops
  • 2 V Li-ion chemistry matches original power requirements
  • Four-cell design balances capacity with slim form factor
  • Replaces Dell part numbers including P137G, P104F and 01K2CF
  • Supplied screwdriver enables immediate installation without extra tools

63Wh RJ40G Li-ion Replacement Battery

This 63Wh lithium-ion battery replaces the original Dell unit in Latitude 5420, Latitude 5520 and Precision 3560 laptops. It delivers 15.2V from four cells and matches part numbers including P137G, P104F and 01K2CF. A screwdriver is included in the box for immediate installation.

Suitable for owners of listed Dell models needing

Buyers whose laptop model or part number does not appear in the compatibility list should look elsewhere. The pack is not intended for systems requiring a different voltage, cell count or form factor.

63Wh capacity at 15.2V across four cells

This single specification determines whether the battery fits the power budget and physical bay of the target Dell laptops. Verify the Wh rating and voltage against the original before purchase.

How it compares

Measured against everything we stock in 2-in-1 Device Accessories, at today’s prices. Recalculated every night.

Price $48.99
Cheaper than about 62% of the 7,473 comparable items (median $56.99).

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Specifications

No published specifications for this item yet.

Questions about this item

What voltage and capacity does the RJ40G battery deliver to the Latitude 5420?

The battery supplies 15.2 V and 63 Wh, matching the original Dell specification for the Latitude 5420 and 5520 series.

Which screw types must be removed to swap the battery in a Precision 3560?

The base cover uses standard Phillips-head screws; the included BURFLO screwdriver fits them so no extra tools are needed.

What is the correct order for connecting the RJ40G cable during installation?

Insert the battery connector firmly into the motherboard header before securing the base-cover screws; reversing the order can leave the cable unseated.

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