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Rectangular black lithium-ion laptop battery, three-cell 42Wh unit

DELL

DELL 42Wh 3DDDG Battery for Latitude E5280 E5480 E5490 E5580 E5590 E5491 E5591

SKU CH-SF71-7C4HA

A 42 Wh lithium-ion battery for Dell Latitude 5280, 5480, 5490, 5491, 5580, 5590 and 5591 models

  • Battery typeLithium-Ion
  • Compatible withCompatible with Dell Latitude E5280 E5480 E5490 E5580 E5590
  • 42 Wh capacity extends runtime between charges
  • 4 V lithium-ion design matches original specifications
  • Three premium cells deliver reliable daily performance
  • Fits Latitude 5280 5480 5490 5580 5590 5491 5591 models
  • CE and RoHS certified for safety and environmental compliance

Compatible Dell Latitude Models

This 42Wh lithium-ion battery fits Dell Latitude E5280 E5480 E5490 E5580 E5590 E5491 E5591. It replaces the original pack for users who need a direct swap without modification. The three-cell design matches the factory voltage of 11.4V. Buyers with other Dell series or different battery form factors cannot use this unit.

Thermals Noise and Power Draw

Lithium-ion chemistry delivers steady output with minimal heat during typical office workloads. The pack has no moving parts so it adds no audible noise to the system. Power draw follows the laptop’s own management profile and the 42Wh capacity supports extended mobile use. No active cooling or fan interaction is involved.

Upgrade From Worn Original Pack

This unit replaces a degraded or failed factory battery that no longer holds sufficient charge. The jump is worth it when runtime has dropped below useful levels or the laptop shuts down unexpectedly. It restores the original mobility the notebook was designed for. Systems requiring higher capacity or a different cell count are not served by this model.

How it compares

Measured against everything we stock in Laptop Chargers & Batteries, at today’s prices. Recalculated every night.

Price $43.99
Pricier than about 76% of the 27,760 comparable items (median $30.99).

Specifications

Power
Battery typeLithium-Ion
Compatibility
Compatible withCompatible with Dell Latitude E5280 E5480 E5490 E5580 E5590 E5491 E5591

Questions about this item

How do I install the 3DDDG battery in my Latitude E5480 without damaging the connector?

Power off the laptop, remove the bottom cover screws, disconnect the old pack's cable from the motherboard header, insert the new 3-cell 42Wh unit, press the connector straight in until it clicks, then reassemble.

What maintenance will the 11.4V lithium-ion pack need during its service life?

No scheduled maintenance is required; store the laptop at roughly half charge if it will sit unused for weeks, and avoid leaving it at 100% or 0% for long periods.

Which limit appears first when the 42Wh pack runs a sustained heavy workload?

The 42Wh capacity determines runtime; under continuous high drain the charge depletes before any thermal or voltage cutoff engages.

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