IBM System x3550 M5 Type 5463 Installation And Service Manual page 149

Figure 41. RAID adapter battery or flash power module removal for 2.5-inch hard disk drive
server models
Steps for removing the RAID adapter battery or flash power module for
3.5-inch hard disk drive server models.
a. Press the blue release tabs and rotate the battery or power module holder
upward.
b. Slightly press the retention clip outward to remove the battery or power
module.
Holder
Chapter 5. Removing and replacing components
Battery / flash power module
Retention clip
133