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Table 15. Battery
Configuration
UPS: (8) 12V, 9 Ah internal batteries; EBM: (16) 12V, 9 Ah batteries
Voltage 96 Vdc internal, 96 Vdc EBM
Fuses UPS: (2) 30A fast fuses in parallel
EBM: Fuse(s)
Type Sealed, maintenance‐free, valve‐regulated, lead‐acid
Charging Internal battery: Approximately 4 hours to 90% charge from a UPS/battery discharge
of 50% rated load
EBM: Approximately 12 hours to 90% charge from a UPS/battery discharge of 50%
rated load
Monitoring Advanced monitoring for earlier failure detection and warning
Battery Runtimes* Internal batteries: 5 minutes at full load/15 minutes at half load
UPS with one EBM attached: 22 minutes at full load/46 minutes at half load
*Battery runtimes are approximate and vary depending on the load configuration and battery charge.
Battery
DC/DC
Input
Filter
Output
Filter
Bypass
Charger
DC/AC
Inverter
AC/DC
Boost
Figure 27. Online UPS Block Diagram