Niveo Professional NUPS22-6000U - Manual (Page 25)

Backup Time Parameters Setting:
Batt Groups: Set the number of battery group ranging from 1 to 6.
The default value is 1 group；
Batt Cap: Set the battery capacity such as 7AH, 9AH, 10AH, 12AH,
17AH, 26AH, 40AH, 65AH, 100AH and so on. The default value is 9AH.
Factor: Calibrate the displayed backup time by adjusting this
multiplier factor. The formulation is listed below:
Displayed backup time=Original calculated backup time×Multiplier
factor
The value of default factor is 1.0, and it ranges from 0.5 to 2.
These parameters are for the battery backup time calculation