Dell EMC PowerEdge T640 - Replacing the System Battery

Replacing the system battery
Prerequisites
WARNING: There is a danger of a new battery exploding if it is incorrectly installed. Replace the battery only with the same or
equivalent type recommended by the manufacturer. For more information, see the safety information that shipped with your
system.
1 Follow the safety guidelines listed in Safety instructions.
2 Follow the procedure listed in Before working inside your system.
3 If installed, disconnect the power or data cables from expansion card(s).
Steps
1 Locate the battery socket. For more information, see the System board jumpers and connectors section.
CAUTION: To avoid damage to the battery connector, you must rmly support the connector while installing or
removing a battery.
2 Use a plastic scribe to pry out the system battery.
Figure 98. Removing the system battery
3 To install a new system battery, hold the battery with the positive side facing up and slide it under the securing tabs.
4 Press the battery into the connector until it snaps into place.
Figure 99. Installing the system battery
Next steps
1 If removed, connect the cables to the expansion card(s).
2 Follow the procedure listed in After working inside your system.
3 While booting, press F2 to enter the System Setup and ensure that the battery is operating properly.
4 Enter the correct time and date in the System Setup Time and Date elds.
5 Exit the System Setup.
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Installing and removing system components