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Appendix III: Approximate Back-up Time Table
Model
Load (VA)
Backup Time @ 48Vdc 200 Ah (min)
Backup Time @ 48Vdc 400 Ah (min)
5 kW
500
1226
2576
1000
536
1226
1500
316
804
2000
222
542
2500
180
430
3000
152
364
3500
130
282
4000
100
224
4500
88
200
5000
80
180
Note:
Backup time depends on the quality of the battery, age of battery and type of battery.
Specifications of batteries may vary depending on different manufacturers.
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