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Rectangular black 6-cell lithium-ion laptop battery

PISKEKAT

PISKEKAT 6-cell 11.1V 4400mAh laptop battery for Dell Latitude E5440 E5540

SKU CH-E2SQ-33ZKX

A new 6-cell lithium-ion battery rated at 11.1 volts and 4400 milliampere-hours for Dell Latitude E5440 and E5540 laptops

  • Battery TypeLaptop Batteries
  • 6-cell lithium-ion design delivers 4400 mAh capacity for extended runtime
  • Rated at 11.1 V and compatible with 10.8 V systems for reliable power
  • Fits Dell Latitude 14 5000 E5440 and 15 5000 E5540 series laptops
  • Replaces multiple OEM part numbers including VV0NF 451-BBIE F49WX N5YH9
  • CE RoHS FCC certified with built-in circuit protection for safety

6-cell 11.1V battery for Dell Latitude E5440

This replacement battery fits Dell Latitude 14 and 15 5000 series models E5440 and E5540. It uses a 6-cell lithium-ion design rated at 11.1 volts with a 4400mAh capacity. The unit is compatible with original part numbers including VVONF, VV0NF, N5YH9, CXF66, F49WX, 0K8HC, 1N9C0 and 451-BBIE. It is sold new and carries CE, RoHS and FCC certifications.

Practical limits of the 11.1V lithium-ion interface

The battery operates at a nominal 11.1 volts and is also compatible with systems expecting 10.8 volts. Its 4400mAh rating determines the total charge available per cycle. Run time varies with workload, screen brightness, wireless use and power-management settings. Capacity will gradually decline with repeated charge cycles and age. The built-in circuit protection guards against overcharge, over-discharge and short circuits.

Installation notes and common issues

Installation requires removing the old battery from the laptop's battery bay and inserting this unit until it clicks into place. No tools are typically needed beyond a latch or screw on the chassis. First use should include a full charge cycle to calibrate the fuel gauge. Common issues include the system not recognising the battery if the connector is not fully seated or if the BIOS needs an update. Ensure the laptop model matches the listed compatible series before fitting.

Highlights

  • 6-cell lithium-ion design delivers 4400 mAh capacity for extended runtime
  • Rated at 11.1 V and compatible with 10.8 V systems for reliable power
  • Fits Dell Latitude 14 5000 E5440 and 15 5000 E5540 series laptops
  • Replaces multiple OEM part numbers including VV0NF 451-BBIE F49WX N5YH9
  • CE RoHS FCC certified with built-in circuit protection for safety

Specifications

Battery TypeLaptop Batteries

Questions about this item

Is this the only capacity available for the PISKEKAT 6-cell battery?

This listing offers the 6-cell 4400mAh 58Wh version rated at 11.1V (10.8V compatible). No other capacities or cell counts are shown for this model.

What does the 58Wh rating mean for actual runtime in a Dell Latitude E5440?

The 58Wh (4400mAh at 11.1V) capacity determines how long the laptop runs per charge; real-world time depends on the E5440 or E5540 power draw, screen brightness and workload.

Does the battery use a proprietary Dell connector or a standard interface?

It is built to match the original Dell part numbers such as VV0NF, 451-BBIE and N5YH9, so it fits the Latitude E5440 and E5540 battery bay directly without adapters.

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