Removing The 3-Cell Battery; Installing The 3-Cell Battery - Dell Inspiron 15 3520 Service Manual

● Do not bend the battery.
● Do not use tools of any kind to pry on or against the battery.
● Ensure any screws during the servicing of this product are not lost or misplaced, to prevent accidental
puncture or damage to the battery and other system components.
● If the battery gets stuck inside your computer as a result of swelling, do not try to release it as puncturing,
bending, or crushing a lithium-ion battery can be dangerous. In such an instance, contact Dell technical
support for assistance. See www.dell.com/contactdell.
● Always purchase genuine batteries from
● Swollen batteries should not be used and should be replaced and disposed properly. For guidelines on how to
handle and replace swollen Lithium-ion batteries, see

Removing the 3-cell battery

Prerequisites
1. Follow the procedure in
2. Remove the SD card.
3. Remove the base cover.
About this task
The following image indicates the location of the 3-cell battery and provides a visual representation of the removal procedure.
Steps
1. Disconnect the battery cable from the system board, if applicable.
2. Remove the three (M2x3) screws that secure the battery to the palm-rest and keyboard assembly.
3. Remove the battery from the palm-rest and keyboard assembly.

Installing the 3-cell battery

Prerequisites
If you are replacing a component, remove the existing component before performing the installation process.
About this task
The following image indicates the location of the 3-cell battery and provides a visual representation of the installation procedure.
Steps
1. Place the battery on the palm-rest and keyboard assembly.
2. Align the screw holes on the battery to the screw holes on the palm-rest and keyboard assembly.
3. Replace the three (M2x3) screws that secure the battery to the palm-rest and keyboard assembly.
4. Adhere the hard drive Flexible Flat Cable on to the battery and connect the cable to the system board.
5. Connect the battery cable to the connector on the system board.
Next steps
1. Install the base cover.
2. Install the SD card.
3. Follow the procedure in
22 Removing and installing components
Before working inside your
After working inside your
www.dell.com or authorized Dell partners and resellers.
Handling swollen Lithium-ion
computer.
computer.
batteries.