⚠️ IMPORTANT BUYING NOTICE:

• RJ40G Precision Architecture: This professional-grade 15.20V Lithium-Polymer (Li-Polymer) internal replacement battery pack features a highly compact, thin-layer layout measuring exactly 244.60 x 103.10 x 5.90 mm and weighing a lightweight 222.00 g. It drops completely flat into the lower chassis compartment of your laptop without causing outer frame bulging, uneven casing tension, or internal trackpad click resistance.

• Compatibility & Voltage Verification: Before completing your purchase, please unscrew your laptop's bottom plate to verify that your original factory battery displays a native operational voltage rating of 15.2V and explicitly matches part numbers RJ40G or 075X16. This specific 4-cell power blueprint is custom-tailored to fit within Dell's mainstream Latitude corporate lines and Precision mobile creator workstations.
  
  

⚡ CONTINUOUS VOLTAGE DELIVERY & ENTERPRISE PERFORMANCE RESTORATION: Bring back the full mobile efficiency and all-day wireless performance of your workstation with this premium, brand-new replacement internal Li-Polymer battery. Specifically engineered around a stable 15.20V power circuit and packed with a reliable capacity of 4140 mAh (63.00 Wh), this battery ensures a steady, clean flow of current during demanding multi-tasking, computational processes, and daily corporate 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 system investment from over-charge, over-discharge, shorted electrical loops, and extreme thermal shifts.

Compatible Original Part Numbers: RJ40G, 075X16

Comprehensive Laptop & Workstation Compatibility List:

Dell Latitude Commercial Business Systems

• Dell Latitude 14-Inch Workstations: Latitude 14 5420, Latitude 14 5420 CHKFM, Latitude 14 5420 FDTCY, Latitude 14 5420 XPC5H

• Dell Latitude 15-Inch Desktop Mainstays: Latitude 15 5520, Latitude 15 5520 39V1H, Latitude 15 5520 FPKNM
  
  

Dell Precision Professional Mobile Workstations

• Dell Precision 15-Inch Creator Arrays: Precision 15 3560, Precision 15 3560 3H45Y, Precision 15 3560 4MTF7, Precision 15 3560 758J7, Precision 15 3560 7RV10, Precision 15 3560 F3T9T

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