Dell G15 5520-4132 Service Manual page 16

Steps
1. Disconnect the battery cable from the system board, if it is not previously disconnected.
2. Remove the four screws (M2x4) that secure the battery to the palm-rest and keyboard assembly.
3. Lift the battery off the palm-rest and keyboard assembly.
Installing the battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following image indicates the location of the battery and provides a visual representation of the installation procedure.
16 Removing and installing components