LQM Laptop Battery 11.1V 97Wh for Dell Latitude E5440/E5540

LQM's 11.1V 97Wh 9‑cell replacement battery restores reliable power for Dell Latitude E5440 and E5540 laptops.

When a laptop battery no longer holds charge, swapping in a tested, compatible pack is the fastest way to regain full mobility. This LQM battery is built to match the original Dell form factor and electrical specs — 11.1 volts, 97 watt‑hours, and nine cells — so it fits and performs like the factory unit for systems that list those compatibility codes and part numbers.

Will this battery fit my Dell Latitude or Vostro model?

Yes — the battery is designed to be compatible with multiple Dell Latitude and Vostro lines that accept the N5YH style pack. It aligns with a variety of OEM part numbers and model references used across those ranges.

• Compatible models: Dell Latitude E5440, E5540 and select Latitude 14R/15R/17R series.
• Also fits several Vostro models such as Vostro 3460 and 3560 when the same battery bay is used.
• References: works with part codes like 312-1351, 312-1325, 71R31 and similar OEM identifiers.

How does the LQM battery meet safety and longevity expectations?

The pack carries CE, RoHS and FCC markings and includes internal circuitry to guard against overcharge, short circuits and thermal issues. Those protections help the battery operate within safe limits and prolong useful life compared with unmanaged cells.

• Built‑in protection board to prevent over‑current, over‑voltage and shorting.
• Manufactured to RoHS standards and CE/FCC compliance for electrical safety.
• 9‑cell construction balances capacity and power delivery for sustained runtime.

What technical specs should I expect, and how will they affect everyday use?

The battery is rated at 11.1V and 97Wh, which translates to a high‑capacity replacement suitable for extended unplugged use compared with lower‑capacity packs. Its nine cells deliver steady voltage for demanding tasks and longer sessions between charges.

• Voltage: 11.1V — matches original Dell battery voltage requirements.
• Capacity: 97Wh — higher energy storage for longer operation per charge.
• Cell count: 9‑cell configuration for balanced power output and stability.

What support and warranty are included with this battery?

LQM backs the battery with a customer satisfaction policy and a 12‑month warranty to cover manufacturing defects. If you encounter fitment or performance problems, customer service is available to evaluate and assist with returns or replacement.

• 12‑month limited warranty for defects in materials and workmanship.
• Dedicated customer support for fitment or performance questions.
• Clear return/exchange options when contacting the seller directly.

Who this is for: This LQM 11.1V 97Wh 9‑cell battery is intended for Dell owners whose Latitude E5440, E5540, compatible Latitude R‑series, or supported Vostro models need a direct, high‑capacity replacement. It's a good choice for mobile professionals, students, and anyone needing reliable unplugged runtime and built‑in safety features without buying a refurbished or unknown aftermarket pack.