IBM Redbooks ServeRAID-MR10i, User Manual

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ServeRAID-MR10i User’s Guide 7-1
Chapter 7
Intelligent Battery
Backup Unit
Specifications
This chapter includes technical information and specifications for the
intelligent Battery Backup Unit (iBBU). The second section lists
information about battery life and data retention time. Click on the
following links to access detailed iBBU specifications:
•
Section 7.1, “iBBU Specifications”
•
Section 7.2, “Battery Life and Data Retention Time”
7.1 iBBU Specifications
The following specifications apply to the iBBU:
•
Battery type: NiMH
•
Battery operating ambient temperature: 10–45° C
•
Humidity (storage and operating): 20% to 80% non-condensing
•
Battery storage temperature: Depends on storage time, as follows:
< 30 days: 0–50° C
30–90 days: 0–40° C
> 90 days: 0–30° C
Table 7.1 Specifications
iBBU
Fast Charge Rate 500 mAH
Battery Pack 4 cells
Mechanical 3.7” x 2.2”
Battery Capacity 880 mAH
Charge Circuitry Card Yes