This high-performance replacement battery is specifically designed for Dell Latitude E5440/E5540 laptops and fully compatible with battery models VV0NF and VJXMC. Manufactured by Longhehui Battery Factory, it adheres to strict quality control standards to deliver reliable power performance, making it an ideal choice for both personal and business use—whether you need a spare battery for travel or a replacement for your aging original battery.
Model Compatibility: Dell Latitude E5440, Dell Latitude E5540
Battery Model: VV0NF, VJXMC
Battery Type: High-grade Lithium-ion (Li-ion)
Capacity: 5200mAh / 58Wh (Standard Capacity, Optional High-Capacity 7800mAh Available)
Voltage: 11.1V (Compatible with 10.8V Devices)
Cell Configuration: 6-Cell
Cycle Life: Up to 1000 Charging Cycles
Charging Time: 2-3 Hours (with Original Dell Charger)
Operating Temperature: -10°C to 60°C (-14°F to 140°F)
Certifications: CE, FCC, RoHS, UN38.3 Compliant
Perfect Compatibility: 1:1 matching with the original Dell Latitude E5440/E5540 laptops and VV0NF/VJXMC battery models; no need for additional adapters or software updates—plug and play directly.
Reliable Performance: Built with premium Li-ion cells to ensure stable voltage output, fast charging, and long-lasting power supply, supporting all-day work, study, or entertainment without frequent recharging.
Safety Assurance: Equipped with multiple protection mechanisms (overcharge, over-discharge, short circuit, overheating, overload protection) to safeguard your laptop and personal safety, meeting international safety standards.
Durable & Long-Lasting: Under normal usage, the battery maintains 80% of its original capacity after 1000 charging cycles, providing long-term value for money.
Factory-Direct Quality: Produced by Longhehui Battery Factory with strict raw material selection and automated production processes, ensuring consistent quality with original-grade performance at a competitive price.
Dell Latitude E5440 (All SKUs)
Dell Latitude E5540 (All SKUs)
Replacement for Dell Original Battery Models: VV0NF, VJXMC
Before installation, power off your laptop and disconnect the charger to avoid short circuits.
Ensure the battery is fully charged and discharged 2-3 times initially to activate optimal performance.
Store the battery in a cool, dry place (avoid direct sunlight or extreme temperatures) when not in use for extended periods.
Use only original or certified Dell chargers to maximize battery lifespan.
