Your Dell Latitude E6540 or E6440 is refusing to hold charge, and a dead battery turns a capable business machine into a desk ornament. The Dell Latitude E6540/E6440 Battery at N.N Laptops is a brand-new Li-Polymer replacement cell pack that restores full runtime to your machine — priced at Rs. 5,799 in Pakistan 2026, with genuine bench-testing before dispatch.
What This Battery Fits
This pack is designed specifically for the Dell Latitude E-series corporate lineup. Confirmed compatible models include the Dell Latitude E6540 (15.6-inch, Intel 4th Gen Haswell), the Dell Latitude E6440 (14-inch, Intel 4th Gen), and the 17-inch E6430 variant. These are among the most widely used business machines in corporate Pakistan — still running daily in offices across Lahore, Karachi, Islamabad, Rawalpindi, Faisalabad, Multan, and Peshawar. If you are unsure whether this part matches your exact chassis revision, WhatsApp Sayam at 0314 4000131 with your Service Tag (found on the base sticker) and we will confirm fitment before anything ships.
Specs That Matter
- Capacity: 52Wh / 4550mAh
- Voltage: 11.4V
- Cell count: 3-cell configuration
- Chemistry: Li-Polymer (lighter, lower swelling risk vs standard Li-Ion)
- Connector: Direct-fit OEM-style terminal — no adapters needed
- Protection board: Overcharge, over-discharge, and short-circuit protection built in
Quality-Checked Before It Leaves the Shop
Every Dell Latitude E6540/E6440 Battery unit that leaves Hafeez Center, Gulberg III, Lahore has been bench-tested to verify that it accepts a full charge cycle, holds voltage across a 30-minute draw, and that the protection board responds correctly to a simulated short. Cells are graded to retain a minimum of 85 percent of design capacity. The battery management IC communicates accurately with the Dell BIOS so your charge percentage reading and health report are reliable from day one.
What Is in the Box
- 1 x Dell Latitude E6540/E6440 Battery (52Wh, 3-cell, Li-Polymer)
- Protective foam packaging
- 30-day replacement warranty — if the battery fails to charge or hold capacity within 30 days of delivery, bring your invoice back and we swap it at no cost
The Dell Latitude E6540/E6440 Battery price in Pakistan 2026 at N.N Laptops is Rs. 5,799. Free same-day Lahore delivery is included; customers in Karachi, Islamabad, Rawalpindi, Peshawar, Faisalabad, Multan, and Sialkot receive their orders in 2-4 working days via TCS or Leopards Courier. Message Sayam on WhatsApp 0314 4000131, browse the full catalog at nnlaptops.com, or walk in to Shop 66A, 3rd Floor, Hafeez Center, Gulberg III, Lahore.







