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Rectangular black lithium-polymer battery pack, 8.0 by 1.5 by 0.8 cm, 0.4 kg

Dr. Battery

Dr. Battery C1JKH laptop battery Dell XPS 14 L421X 14.8V 4662 mAh

SKU CH-7N81-JV7EQ

A 14.8 V Li-polymer replacement battery with 4662 mAh capacity and built-in over-charge, over-discharge, overheating and short-circuit protection for Dell XPS 14 L421X Ultrabooks

  • Battery typeLi-polymer
  • Battery voltage rating14.8 V
  • Battery capacity4,662 mAh
  • Main functionNotebook
  • Measurements8.0 × 1.5 × 0.8
  • Product typeBattery
  • Reliable power for Dell XPS 14 L421X ultrabooks
  • 8V 4662 mAh Li-polymer capacity for extended runtime
  • OEM-grade cells deliver stable performance and long life
  • Built-in protection against over-charge, over-discharge, overheating and short-circuit
  • Compact 8.0x1.5x0.8 cm design fits the original bay

Replacement Battery for Dell XPS 14 L421X

This Dr. Battery Professional Series unit is a brand-new lithium-polymer replacement for the Dell XPS 14 L421X Ultrabook series. It uses OEM-grade cells and integrated safety circuitry to protect against over-charge, over-discharge, overheating and short-circuit. The battery delivers 14.8V and 4662 mAh capacity for reliable daily power.

For owners matching the listed part numbers

Suitable for users whose original battery carries part numbers 4RXFK, FFK56, C1JKH or 04RXFK and who need a direct 14.8V replacement. Not suitable for laptops requiring a different voltage or form factor, or for buyers who cannot verify the original part number against this list.

Voltage and capacity determine fit

The single specification that decides compatibility is the 14.8V rating combined with 4662 mAh capacity; your original battery must show the same voltage and match one of the listed Dell part numbers for this unit to work correctly.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $52.99
Pricier than about 84% of the 27,790 comparable items (median $30.99).

Specifications

Product
Brand nameMicrosoft
Model nameDell XPS 14 L421X Series
Part numberDR-PRO-LDE321-B
Product typeBattery
Power
Battery typeLi-polymer
Battery voltage rating14.8 V
Battery capacity4,662 mAh
Size & build
Measurements8.0 × 1.5 × 0.8
Compatibility
Compatible withDell 421x-1046 / Dell XPS 14 (L421X) / Dell XPS 14 L421X Ultrabook / Dell XPS 14 LX421
More details
Main functionNotebook

Questions about this item

What voltage does the 14.8V Li-polymer battery deliver to the Dell XPS 14 L421X?

The battery supplies 14.8V, matching the original Dell 4RXFK, C1JKH and FFK56 part numbers for the XPS 14 L421X Ultrabook.

Will the 8.0×1.5×0.8 cm pack fit inside the Dell XPS 14 L421X chassis?

Yes, the 8.0×1.5×0.8 cm form factor is built to the exact dimensions of the factory battery for the XPS 14 L421X.

How do I install the DR-PRO-LDE321-B pack without damaging the connector?

Power off the laptop, remove the bottom case screws, disconnect the old battery cable, align the new pack’s connector straight, press it in firmly, then reassemble.

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