Inspiron 15 3521 Service Manual

Installing the 4-cell battery

If you are replacing a component, remove the existing component before performing the installation procedure.

The following image indicates the location of the 4-cell battery and provides a visual representation of the installation procedure.

Image of installing the 4-cell battery

Carefully push and insert the battery rubber stopper into the bottom-left screw hole of the 4-cell battery.
NOTE: When replacing the 4-cell battery, use a plastic scribe to push downward into the bottom-left screw hole to insert the battery rubber stopper into the slot on the new replacement 4-cell battery.
Connect the battery cable to the 4-cell battery.
Place the 4-cell battery along with the battery cable on the palm-rest and keyboard assembly.
Align the screw holes on the 4-cell battery to the screw holes on the palm-rest and keyboard assembly.
Replace the four screws (M2x3) to secure the 4-cell battery to the palm-rest and keyboard assembly.