IBM 3000VA UPS 3U Extended Battery Module Sealed Lead Acid (VRLA) 9Ah 12V

3000VA UPS 3U Extended Battery Module (EBM) or applications requiring extended backup times, an external battery module can also be added to the 3000VA 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. Tables 4-6 show the additional run times achieved with the EBM connected.