Dell PowerEdge R815 - Manual (Page 118)

118 Installing System Components
RAID Battery (Optional)
The information in this section applies only to systems with the optional
PERC cards without an integral battery backup unit.
Removing a RAID Battery
1 Turn off the system, including any attached peripherals, and disconnect
the system from the electrical outlet.
2 Open the system. See "Opening the System" on page 76.
3 Remove the cooling fan assembly. See "Removing the Cooling Fan
Assembly" on page 102.
4 Press the tab on the RAID battery cable connector and pull the cable out
of the connector on the storage controller card.
5 Free the RAID battery cable from the slot in the battery carrier. See
Figure 3-20.
6 Lift the RAID battery out of the battery carrier.
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