Removing The 3-Cell Battery - Dell Latitude 5520 Service Manual

● 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. Enter service mode.
3. Remove the SIM card
4. Remove the microSD
5. Remove the base cover.
NOTE: If battery is disconnected from system board for service, then there is a delay during system boot-up as the system
undergoes RTC battery reset.
About this task
The following images indicate the location of the 3-cell battery and provide a visual representation of the removal procedure.
Steps
1. Disconnect the battery cable from the system board, if it was not disconnected earlier.
2. Remove the two screws (M2x4) that secure the battery to the palm-rest assembly and keyboard assembly.
3. Lift the battery off the palm-rest assembly and keyboard assembly.
Before working inside your
card.
www.dell.com or authorized Dell partners and resellers.
Handling swollen Lithium-ion
computer.
batteries.
Removing and installing components 37