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Rectangular black laptop battery with Dell branding

DELL

DELL 9JM71 42 Whr Laptop Battery for Latitude 13 14 15

SKU CH-9KND-VFSAQ

A 42 Whr lithium-ion battery for Latitude 13, 14 and 15 models, rated at 11.4 volts with 3680 mAh capacity

  • 42 Whr capacity powers Latitude 13, 14 and 15 models
  • 4 V lithium-ion cells from Samsung extend runtime and service life
  • 3680 mAh rating supports up to three hours of use per charge
  • No memory effect allows recharging at any time without capacity loss
  • Tested before shipment and covered by a two-year warranty

Replacement Battery for Latitude 13 14 15

The Dell 9JM71 is a 42 Whr lithium-ion battery built for select Latitude 13, 14 and 15 models including the 5320, 7320, 7420 and 7520. It uses Samsung cells rated at 11.4 volts and 3680 mAh to restore mobile runtime. Buyers needing the higher-capacity 63 Whr variant should look elsewhere.

Samsung Cells and Daily Use

Premium Samsung lithium-ion cells are tested before shipment and designed for 300 to 500 recharge cycles without memory effect. The black pack fits the existing battery bay and connects to the same 11.4 volt rail, so installation requires no extra tools or cables. Expect roughly two to three hours of run time when new depending on workload.

Upgrading From a Worn Pack

This unit replaces an original Dell battery that no longer holds charge or shows reduced cycle life. The jump is worth it when the old pack delivers less than an hour of use or triggers replacement warnings. It does not increase capacity beyond the factory 42 Whr specification, so users needing all-day runtime without a charger will not be satisfied.

Highlights

  • 42 Whr capacity powers Latitude 13, 14 and 15 models
  • 4 V lithium-ion cells from Samsung extend runtime and service life
  • 3680 mAh rating supports up to three hours of use per charge
  • No memory effect allows recharging at any time without capacity loss
  • Tested before shipment and covered by a two-year warranty

Specifications

No published specifications for this item yet.

Questions about this item

What voltage does the Dell 9JM71 battery use and what capacity does that deliver?

The battery operates at 11.4 volts and is rated at 42 Whr, providing up to 2 to 3 hours of run time when new depending on workload and system settings.

Which Latitude models does the 9JM71 fit without modification?

It is compatible with Latitude 13 5320, Latitude 13 7320, Latitude 14 7420 and Latitude 15 7520 models listed in the compatibility data.

How is the battery installed and what step is commonly missed?

Power off the laptop, disconnect the AC adapter, remove the base cover, unplug the old battery connector, fit the new pack, reconnect the cable, replace the cover and then calibrate by charging to full and discharging once.

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