For applications requiring extended backup times, an external battery module can also be added to the 11000VA models to deliver hours of run time to critical systems during a prolonged power outage. The IBM 3U Extended Battery Module (EBM) is a 3U rack-mounted device that contains additional batteries.
|Battery technology||Sealed Lead Acid (VRLA)|
|Battery capacity||11000 VAh|
|Battery capacity||9 Ah|
|Battery voltage||12 V|
|Number of battery cells||24|