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How can calculate ups battery back up time?
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Answer Posted / chesda
T = (N.Q.eff.PF.V)/Load
T : Backup time [h]
N : Number of batteries [Nos]
Q : Batteries charge [AH]
eff : Inverter efficiency [%]
PF : Load power factor
V : Batteries voltage [V]
Load : Connected load [W]
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