Dell 1000W User Manual page 68

Table 15. Battery
Configuration
Voltage
Fuses
Type
Charging
Monitoring
Battery Runtimes*
*Battery runtimes are approximate and vary depending on the load configuration and battery charge.
Figure 38. Line-Interactive UPS Block Diagram
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Specifications
1000W: (3) 12V, 9 Ah internal batteries (no EBM)
1920/1500W: (6) 12V, 9 Ah internal batteries; (12) 12V, 9 Ah EBM
2700/2300W: (8) 12V, 9 Ah internal batteries; (16) 12V, 9 Ah EBM
1920/1500W: 72 Vdc internal; 72 Vdc EBM
2700/2300W: 96 Vdc internal; 96 Vdc EBM
Sealed, maintenance‐free, valve‐regulated, lead‐acid
Approximately 4 hours to 90% usable capacity at nominal line and no
Advanced monitoring for earlier failure detection and warning
Internal batteries: 5 minutes at full load/14 minutes at half load
1920/1500W with one EBM: 19 minutes at full load/46 minutes at half load
2700/2300W with one EBM: 19 minutes at full load/45 minutes at half load
Input
Filter
Charger
DC/DC
Battery
Converter
1000W: 36 Vdc internal (no EBM)
Internal batteries: (2) 30A fuses
EBM: (4) 30A fuses
supplementary power supply load
Output
AVR
Filter
DC/AC
Inverter