Dell Battery 3Cell 42Wh 11.4V

Dell NKXK7 is a lithium-ion replacement battery for select Dell laptops. It can replace an existing battery in a compatible system, helping restore battery-powered use away from a fixed power source.

Its 3-cell configuration and 42 Wh capacity identify this variant among Dell laptop batteries. Dell lists compatibility with Latitude 3340 (launched in 2023), Latitude 3440, Latitude 3540, Latitude 5340, Latitude 5440 and Latitude 5540 laptops, plus Precision 3480 and Precision 3580 systems.

This battery is intended for use in one of those listed systems, whether the laptop is used at a desk or carried between work locations.

Package contents: 1 battery.