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Rectangular black laptop battery with three cells and Dell branding

DELL

DELL 9HKT5 R73TC 3-cell Li-ion 11.4v 54wh 4623mah laptop battery for Latitude 3340 5340

SKU CH-YYNS-GEYYJ

3-cell 11.4 V 54 Wh lithium-ion replacement battery for Latitude 3340 and 5340 laptops

  • Battery TypeLithium-Ion
  • 54 Wh capacity powers longer work sessions away from a socket
  • 3-cell lithium-ion design keeps weight low for daily portability
  • 4 V output matches original Dell specifications for stable performance
  • Direct fit for Latitude 3340 and 5340 series ensures simple installation

Dell 9HKT5 R73TC 3-cell replacement battery

This 11.4 V lithium-ion pack supplies 54 Wh and 4623 mAh for Latitude 3340 and 5340 series notebooks. It matches part number 09HKT5 and fits directly into the original battery bay. The three-cell design restores factory runtime for daily office or mobile workloads.

Thermals noise and power draw

Lithium-ion chemistry generates minimal heat during typical charge and discharge cycles. The pack operates silently with no moving parts and draws only the current the laptop requests. Normal use keeps temperatures within the system's standard thermal envelope.

Highlights

  • 54 Wh capacity powers longer work sessions away from a socket
  • 3-cell lithium-ion design keeps weight low for daily portability
  • 4 V output matches original Dell specifications for stable performance
  • Direct fit for Latitude 3340 and 5340 series ensures simple installation

Specifications

Battery TypeLithium-Ion

Questions about this item

How do I install the 9HKT5 battery in my Latitude 3340 and what step is often missed?

Power off the laptop, disconnect the AC adapter, remove the base cover screws, unplug the old battery connector from the motherboard before lifting it out, then connect the new 3‑cell pack and reassemble.

What maintenance will the 11.4 V 54 Wh pack need over time?

The lithium‑ion cells require no routine service; when capacity falls below usable runtime, replace the pack with another 9HKT5‑compatible unit.

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