The Dell 2X1V9 is a lithium-ion replacement battery for compatible Dell laptops, providing portable power when working away from a mains connection. It has 3 cells and a capacity of 54 Wh.
Dell lists selected Latitude and Precision systems: Latitude 3340, 3440, 3450, 3540, 3550, 5340, 5350, 5440, 5450, 5540, 5550, 7455 and E5550, plus Precision 3480, 3490, 3580 and 3590. Check that your laptop is among these listed models before choosing the battery.
Replacing it requires removing the laptop’s back cover. Dell directs users to the service manual for the specific system for removal and installation instructions.
Package contents: 1 battery.