Dell EMC PowerEdge C6520 Installation And Service Manual page 74

NOTE: Ensure that the + side of the battery is facing the battery holder clip.
Figure 81. Removing the system battery
CAUTION: To avoid damage to the battery connector, you must firmly support the connector while installing
or removing a battery.
2. To install a new system battery:
a. Push the battery holder clip away.
NOTE: Ensure that the + side of the battery is facing the battery holder clip.
b. Insert the battery in the battery holder until the battery holder clip snaps into place.
CAUTION: To avoid damage to the battery holder clip, ensure that you do not bend the battery holder clip
while installing or removing a battery.
Figure 82. Installing the system battery
74 Installing and removing system components