LQM E7440 Replacement Laptop Battery for Dell Latitude 14

LQM E7440 is a direct replacement 47Wh, 7.4V 4-cell battery engineered to restore full mobile runtime to Dell Latitude 14 7000 Series laptops including E7440, E7450 and compatible model numbers.

When your Dell Latitude shows reduced run-time or refuses to hold charge, the LQM E7440 replacement gives a factory-style power solution designed to match the original specifications. This unit provides plug-and-play compatibility, built-in protection circuitry, and a capacity tuned to the 14-inch Latitude 7000 line so you can resume productivity without troubleshooting ambiguous power issues.

How will this battery improve my laptop's run time and reliability?

The LQM E7440 supplies 47Wh at 7.4V using four cells to deliver stable, sustained power comparable to the original factory pack. Replacing an aged or failing battery with this model typically restores expected single-charge hours and keeps performance consistent under typical office or mobile workloads.

• 47Wh capacity for longer single-charge use versus degraded OEM cells.
• 4-cell design balances energy density and thermal stability.
• Built-in smart protection chip prevents overcharge and short circuits.
• Automatic recognition by Dell systems—no calibration required.

Which Dell models and part numbers is this compatible with?

This replacement targets the Dell Latitude 14 7000 Series, including E7440, E7450 and associated part numbers listed by OEM cross-reference. Always confirm the part number printed on your current battery or in your system settings before ordering to ensure exact fit and connector match.

• Compatible models: Dell Latitude 14 7000 Series (E7440, E7450, etc.).
• Matches many OEM part numbers such as 34GKR, 3RNFD, PFXCR and 5K1GW.
• Fits chassis and connector style used by Latitude 451-BBFT / 451-BBFV variations.
• Check underside label of your laptop or existing battery for verification.

Is installation easy, and will my system recognize the new pack?

Installation is designed to be straightforward: remove the old battery, seat the LQM E7440 in the battery bay and secure it with the original fasteners. Most Dell systems immediately detect the new cell pack and report accurate status; no special drivers are typically required.

• Plug-and-play installation—no driver downloads needed.
• Automatic battery status reporting in Dell BIOS and OS power settings.
• Ships with a user manual and basic installation guidance.
• Return policy and 1-year warranty for added confidence.

What safety and longevity features does this replacement offer?

The battery incorporates a multi-level protection chip and adheres to standard manufacturing controls to reduce risks associated with charging and discharge cycles. Combined with a low-power design and efficient charging profile, it aims to extend usable service life while maintaining safe operation.

• Smart protection against overcharging, over-discharging and short circuits.
• Temperature safeguards to reduce overheating risk during heavy use.
• Manufactured to original-factory processes for consistent cell quality.
• 30-day return window plus 1-year limited warranty and support.

Who is this for: The LQM E7440 battery is intended for Dell Latitude 14 7000 Series owners—professionals, students, and field technicians—whose original battery no longer delivers reliable run-time. It's a practical, cost-effective choice for anyone needing a direct-fit replacement that reinstates the laptop's native mobility without hardware modifications.