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Black rectangular lithium-polymer laptop battery, 54Wh 7.4V

POWER-FENG

POWER-FENG 54Wh 3RNFD laptop battery for Dell Latitude E7440

SKU CH-P4AX-N4FRD

New 54 Wh lithium-polymer battery replaces part 3RNFD for Dell Latitude E7440, E7450 and E7420

  • TypeBattery
  • Battery TypeLaptop Batteries
  • 54 Wh capacity supports extended mobile work sessions
  • 4 V lithium-polymer chemistry delivers stable voltage output
  • 6986 mAh rating provides reliable all-day power
  • Direct replacement for Dell part numbers 3RNFD, 34GKR, V8XN3, G95J5, 0909H5, 0G95J5, 5K1GW
  • Compatible with Latitude E7420, E7440 and E7450 models

Compatible Dell Latitude Models

This 54Wh lithium-polymer replacement battery fits Dell Latitude E7420, E7440 and E7450 notebooks. It replaces part numbers 3RNFD, 34GKR, V8XN3, G95J5, 0909H5, 0G95J5 and 5K1GW. The unit is supplied brand new in black. It is not for users whose laptop uses a different voltage or connector layout.

Build and Connector Layout

The pack uses a 7.4V Li-polymer cell arrangement housed in a black casing that matches the original form factor. Direct-fit connectors align with the Latitude E7440 series battery bay so installation requires no adapters or cable routing. The design supports the standard charge circuit of the listed models. It is not for systems that need a higher-capacity brick or a different pin-out.

Thermals and Power Delivery

Rated at 54Wh and 6986mAh, the battery delivers the factory voltage of 7.4V for normal office workloads. Lithium-polymer chemistry keeps self-discharge low during storage and provides stable output under typical charge cycles. No active cooling is required. It is not for users who need extended runtime beyond the original specification.

Highlights

  • 54 Wh capacity supports extended mobile work sessions
  • 4 V lithium-polymer chemistry delivers stable voltage output
  • 6986 mAh rating provides reliable all-day power
  • Direct replacement for Dell part numbers 3RNFD, 34GKR, V8XN3, G95J5, 0909H5, 0G95J5, 5K1GW
  • Compatible with Latitude E7420, E7440 and E7450 models

Specifications

TypeBattery
Battery TypeLaptop Batteries

Questions about this item

What voltage does the 7.4V Li-polymer battery deliver to the Latitude E7440?

The pack supplies a nominal 7.4V, which is the standard operating voltage the E7440 expects from its internal battery connector.

Which part numbers confirm the battery will fit my Latitude E7440?

Match the original Dell part numbers 3RNFD, 34GKR, V8XN3, G95J5, 0909H5, 0G95J5 or 5K1GW — all are listed as direct replacements for the E7440.

What is the first step when installing the battery in the Latitude E7440?

Power off the laptop and disconnect the AC adapter before removing the base cover to access the internal battery connector.

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