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Black rectangular laptop battery with label showing 68 Wh 7.6V

GJKNX 68Wh 7.6V Laptop Battery for Dell Latitude 5580 5490 5590 Precision 3520 3530

SKU CH-RWM8-S16MZ

A 68 Wh, 7.6 V lithium-ion replacement battery compatible with Dell Latitude 5280, 5288, 5290, 5480, 5488, 5490, 5491, 5495, 5580, 5590, 5591 and Precision 3520, 3530 models, rated for 500 cycles

  • ColorBlack
  • Battery Voltage20V
  • AC Adapter Voltage20V
  • FeaturesRechargeable, 7.6 volts, Laptop
  • 68 Wh capacity keeps you working longer
  • 6 V lithium-ion chemistry delivers stable power
  • 500 charge cycles extend usable service life
  • Compatible with Latitude 5280 5480 5580 5490 5590 Precision 3520 3530
  • Replaces Dell part numbers GD1JP DY9NT 5YHR4 451-BBZG GJKNX

Compatible Laptop Battery

This 68 Wh lithium-ion replacement fits Dell Latitude 5280 5288 5290 5480 5488 5490 5491 5495 5580 5590 5591 and Precision 3520 3530 models. It matches part numbers GJKNX GD1JP DY9NT 5YHR4 451-BBZG FPT1C KCM82 MT31P and operates at 7.6 volts with four cells. The pack ships with two screwdrivers and an instruction sheet for straightforward installation.

Upgrade From Worn Original

A fresh cell restores full runtime when the factory battery no longer holds charge or reports reduced capacity after hundreds of cycles. The swap is worth it once the original drops below roughly half its initial run time or triggers a service alert in the BIOS. Systems that still meet daily workloads with the aged pack do not need an immediate change.

Capacity And Runtime Headroom

At 68 Wh the battery delivers several hours of typical office use on a single charge depending on screen brightness and load. Heavy workloads such as sustained rendering or virtualisation will drain it faster and may require mid-day recharging. The 500-cycle rating means capacity will gradually decline after extended daily cycling.

Highlights

  • 68 Wh capacity keeps you working longer
  • 6 V lithium-ion chemistry delivers stable power
  • 500 charge cycles extend usable service life
  • Compatible with Latitude 5280 5480 5580 5490 5590 Precision 3520 3530
  • Replaces Dell part numbers GD1JP DY9NT 5YHR4 451-BBZG GJKNX

Specifications

BrandDELL
ModelGJKNX
Part NumberGJKNX
ColorBlack
Battery Voltage20V
AC Adapter Voltage20V
FeaturesRechargeable, 7.6 volts, Laptop

Questions about this item

Does the 68 Wh battery use the same screw positions as the original Dell GJKNX pack?

Yes, the replacement matches the factory screw layout on Latitude 5480 5490 5580 5590 and Precision 3520 3530 chassis.

Which step do installers most often skip when fitting the 4-cell pack?

Many forget to disconnect the internal CMOS battery cable before removing the old pack, which can cause a short.

After roughly 500 charge cycles what should I plan for?

Expect the 7.6 V pack to hold noticeably less charge; a fresh GJKNX unit restores full runtime.

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