Dell 14" Mobile Precision 3470 Mobile Workstation (Silver) - Manual (Page 28)

● 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 www.dell.com or authorized Dell partners and resellers.
● 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
Handling swollen Lithium-ion batteries .
Removing the 4-cell battery
Prerequisites
1. Follow the procedure in Before working inside your computer .
2. Remove the microSD card .
3. Remove the base cover .
About this task
The following images indicate the location of the 4-cell (64 Wh) battery and provides a visual representation of the removal
procedure.
Steps
1. Disconnect the battery cable from the connector on the system board, if it was not disconnected earlier.
2. Remove the two screws (M2x3) that secure the 4-cell battery to the palm-rest and keyboard assembly.
3. Lift the 4-cell battery, along with its cable, off the palm-rest and keyboard assembly.
Installing the 4-cell battery
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
28 Removing and installing components