⚠️ IMPORTANT BUYING NOTICE:

• 4RXFK Precision Form Factor: This premium 14.80V Lithium-Polymer (Li-Polymer) internal replacement battery pack features a specialized thin-layer internal profile measuring exactly 317.00 x 88.80 x 12.20 mm and weighing 334.00 g. It drops completely flat into your laptop's lower internal chassis compartment without causing outer aluminum frame bulging, uneven casing tension, or mechanical trackpad click resistance.

• Compatibility & Model Verification: This exact engineering layout is tailored exclusively for the aluminum-and-carbon-fiber Dell XPS 14 (L421X) Ultrabook Series. Please note that it will not fit regular 14-inch Dell Inspiron or Latitude models, nor will it work with other generations of the XPS 14 lineup that feature a different layout. Before completing your purchase, please unscrew your laptop's bottom cover plate to verify that your original factory battery displays a native operational voltage rating of 14.8V and explicitly matches part numbers like 4RXFK, FFK56, or C1JKH.
  
  

⚡ UNINTERRUPTED PIPELINE CURRENT & ULTRABOOK PORTABILITY RESTORATION: Bring back the full mobile efficiency and all-day wireless performance of your high-end premium laptop with this brand-new, replacement internal Li-Polymer battery engine. Specifically engineered around a highly stable 14.80V power circuit and packed with a robust capacity rate of 69.00 Wh, this battery ensures a steady, clean flow of current during demanding multi-tasking, high-definition streaming, and daily productivity workloads. It serves as an immediate drop-in solution to correct common hardware aging anomalies, such as swift battery drain, unexpected performance drops under processing loads, erratic percentage indicators, or a total refusal to power on without the original AC charger attached. Built with an on-board intelligent protection microchip array, it continuously safeguards your premium system investment from over-charge, over-discharge, shorted electrical loops, and extreme thermal shifts.

Compatible Original Part Numbers: 4RXFK, FFK56, C1JKH

Comprehensive Laptop & Ultrabook Compatibility List:

Dell XPS Premium 14-Inch Ultrabook Series

• Dell XPS 14 (L421X) Aluminum Framing Fleet: XPS L421x Series, XPS 14 L421X Ultrabook, XPS 14 Ultrabook, XPS 14-L421x Series
  
  

Disclaimer: The batteries and other products supplied by our Company are [replacement for] sold for use with certain products of computer manufacturers, and any reference to products or trademarks of such companies is purely for the purpose of identifying the computers with which our products [are replacement for] may be used. Our Company and this Website are neither affiliated with, authorized by, licensed by, distributors for, nor related in any way to these computer manufacturers, nor are the products offered for sale through our Website manufactured by or sold with the authorization of the manufacturers with which our products [are replacement for] may be used.