3Open the latch on the front of the
4Set the computer down over the battery pack an inch or two back from the front edge of the battery pack, and slide the computer to the front of the battery pack until it stops.
Make sure that the hooks at the front corners of the battery pack fit into the slots on the front corners of the computer.
5Close the latch at the front of the battery pack.
Removing the High-Capacity Battery Pack
NOTICE: If you choose to swap batteries with the computer in standby mode, you have up to 3.5 minutes to safely complete the battery replacement before the computer shuts down and loses any unsaved data.
1Ensure that the computer is turned off, suspended in a power management mode, or connected to an electrical outlet.
2Open the latch on the front of the battery pack, slide the computer back slightly, and lift the computer away.
Dell™ Latitude™ C400
9