Dell DELL10KWOLHVUS User Manual page 22

Locate the battery trays you placed near the rack.
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CAUTION:
The batteries are heavy (32 kg/71 lb). Use proper lifting techniques when installing the batteries.
NOTE:
The battery trays can be installed in either battery compartment.
NOTE:
Insert the tray with the caution label arrow pointing upward.
Install the battery trays (see Figure 13):
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Move the UPS battery connectors at the top of the battery compartment out of the way.
Slide the battery tray into the battery compartment completely.
Repeat to install the second battery tray.
Figure 13. Installing the Battery Trays
Tuck the loop tabs into the plastic sleeve on the front of each battery tray to move them out of the
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way.
Connect the internal battery connectors (see Figure 14):
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Connect the far-left battery tray connector to the UPS battery connector. Connect the far-right
battery tray connector to the UPS battery connector.
NOTE:
A small amount of arcing may occur when connecting the batteries. This is normal and does not damage
the unit or present any safety concerns.
Locate and connect the battery jumpers located on either side of the center post. Place the
connectors on the small shelf at the top of the center post.
NOTE:
Connecting the center battery jumpers connects the two battery trays serially.
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Installation