AXXRSBBU7User's Guide

Intel® RAID Smart Battery AXXRSBBU7 User’s Guide 19
5 Battery Backup Unit Specifications
Table 2. BBU Specifications
Battery Life and Data Retention Time
The Intel utilities display a counter showing the number of times a BBU has been
recharged. When you replace a BBU, you should run the utility program and reset this
counter to zero for the new BBU. Intel recommends that you replace the battery pack on
the BBU once a year or after 500 recharging cycles, whichever comes first. The battery
pack has a one year warranty.
Battery Technology Lithium-Ion (Li-Ion)
Battery Operating Environment 10-40°C dry bulb temperature
The maximum dry bulb temperature shall be
derated by 3.3° C per 1000 m above 500 m)
20% to 80% relative humidity non-condensing
Battery Storage Temperature Depends on storage time:
• < 30 days: 0-50°C
• 30-90 days: 0-40°C
• > 90 days: 0-30°C
Fast Charge Rate 500 mAH
Battery Voltage Nominal Battery Voltage: 3.7 V
Mechanical 3.160 inches x 2.122 inches (battery extends
over PCB)
Battery Capacity 1350 mAH
Battery Charge Time Typical: Approximate 4 hours
Battery Shelf Life 1 year
Battery Operational Life Intel provides a one year warranty on the
Intel
®
RAID Smart Battery AXXRSBBU7
Memory DDR2 SDRAM 800MHz (1.8 V), maximum
72-bit bus width
Smart Battery Monitoring Temperature is monitored using the I
2
C
interface; Supports v1.1 “Smart Battery
System Manager”
Auxiliary Power Ability to detect the presence of an external
auxiliary power source. Circuitry
automatically chooses auxillary power and
defers discharge until auxillary power is
removed or exhausted. Auxillary power
increases the DRT ratings.