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Rectangular black lithium-ion laptop battery with three cells, 51Wh capacity, 11.4V

DELL

DELL 51W 3-cell 11.4V laptop battery P89F

SKU CH-RMWG-5459P

A 51 Wh three-cell lithium-ion battery at 11.4 V for select Dell Inspiron and G-series laptops

  • CompatibilityCompatible with Dell Inspiron 14 5490 G3 15 3590 3500 G5 15
  • Battery TypeLithium-Ion
  • 51 Wh capacity extends runtime between charges
  • 3-cell lithium-ion design balances weight and endurance
  • 4 V output matches original Dell specification
  • Fits Inspiron 14 5490, G3 15 3590, 3500, G5 15 5500, 5505
  • CE and RoHS certified for safety and environmental compliance

Dell 51Wh 3-Cell 11.4V Battery

This replacement battery fits select Dell Inspiron 14 5490, G3 15 3590, 3500, G5 15 5500 and 5505 models. It uses lithium-ion chemistry rated at 51 Wh and 11.4 V across three cells. The unit is new and carries CE and RoHS certifications for safety and environmental compliance.

Installing the Battery

Installation typically involves removing the bottom case screws, disconnecting the old pack and connecting the new one. The supplier notes that two different batteries exist for these laptop models and they are not interchangeable, so the original battery must be compared with product photos before purchase to confirm the correct fit.

Suitable Buyers and Limitations

This battery suits owners of the listed Dell models who need a direct 51 Wh replacement and can verify the physical match. It is not for users whose laptop requires the alternate battery design, for machines outside the named series, or for anyone needing a higher-capacity pack than 51 Wh.

Highlights

  • 51 Wh capacity extends runtime between charges
  • 3-cell lithium-ion design balances weight and endurance
  • 4 V output matches original Dell specification
  • Fits Inspiron 14 5490, G3 15 3590, 3500, G5 15 5500, 5505
  • CE and RoHS certified for safety and environmental compliance

Specifications

CompatibilityCompatible with Dell Inspiron 14 5490 G3 15 3590 3500 G5 15 5500 5505 P89F
Battery TypeLithium-Ion

Questions about this item

How can I verify the 51 Wh battery is working correctly after installation?

The Dell BIOS will report the design capacity as 51 Wh and show a 100 % charge state when the battery is healthy and fully charged.

What is included in the box and what must I source separately?

The package contains the 3-cell 11.4 V lithium-ion battery only; no tools, screws or AC adapter are supplied.

Which capacity should I choose between the available versions for my Inspiron 14 5490?

This model is the 51 Wh version; the alternative is a different capacity that is not interchangeable, so match the Wh rating printed on your original battery.

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