How to replace the Battery on a Dell 14 Plus DB14255
Published March 20, 2026
This 3D experience gives you the step by step process of replacing the Battery and a Dell14Plus DB14255. The procedure will also include removing the Base Cover, Battery Cable and reinstalling them.
Removal
Base Cover
Identify the base cover highlighted in blue.
Loosen the screws that secure the base cover to the palm rest assembly.
Remove the screws that secure the base cover to the palm rest assembly.
Using a plastic scribe, pry the base cover from the hinge area and continue prying on all its sides to loosen the base cover.
Remove the base cover from the palm rest assembly.
Battery Cable
Identify the battery cable highlighted in blue.
Disconnect the battery cable from the system board.
Press and hold the power button for 10 seconds to ground the system and remove residual static electricity.
Battery
Identify the battery highlighted in blue.
Remove the screws that secure the battery to the system.
Lift the battery, along with the battery cable, from the system.
Peel the tape that secures the cable to the battery.
Unroute the battery cable from the routing guides on the battery.
Slide down the clamp to disconnect the battery cable and remove it from the battery.
Install
Battery
Identify the battery location highlighted in blue.
Connect the battery cable on the battery.
Slide the clamp upwards to secure the battery cable to the battery.
Route the battery cable through the routing guides on the battery.
Adhere the tape that secures the cable to the battery.
Install the battery, along with the battery cable, into the system.
Install the screws to secure the battery to the system.
Battery Cable
Identify the battery cable location highlighted in blue.
Connect the battery cable to the system board.
Base Cover
Identify the base cover location highlighted in blue.
Align the base cover and press the edges of the cover until it clicks into place.
Tighten the screws that secure the base cover to the palm rest assembly.
Install the screws that secure the base cover to the palm rest assembly.