- RAID controller battery backup unit
- 1 x 2200 mAh
- for QNAP ES1640DC
Designed for use with the QNAP ES1640DC NAS enclosure, the QNAP BBU-A01-2200MAH RAID Controller Battery Backup Unit serves as a backup in the event of a power outage. It features a capacity of 2200 mAh.