Estimating sump pump battery backup runtime when utility power is out:
Notes:
- Sump Pump Duty Cycle Calculation: Duty Cycle% = Sump Pump Time On In Seconds / Total Cycle Time In Seconds (time on + time off)
- All examples use a 10% Duty Cycle (10% = 30 Seconds / 300 Seconds)
Sumpro Series Sump Pump Backup System
![]() | Estimated RunTimes On Battery Power (10% Pump Duty Cycle):
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BA75 3/4 HP Sump Pump - 15 Hours
- Performance is based on one pump running at a time and two Power+ 120 AH batteries
BA50 1/2 HP Sump Pump - 30 Hours
- Performance is based on one pump running at a time and two Power+ 120 AH batteries
WC33 1/3 HP Sump Pump - 47 Hours
- Performance is based on one pump running at a time and two Power+ 120 AH batteries
55ACi Series Sump Pump Backup System
![]() | Estimated RunTimes On Battery Power (10% Pump Duty Cycle):
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BA50 1/2 HP Sump Pump - 30 Hours
- Performance is based on one pump running at a time and two Power+ 120 AH batteries
35ACi Series Sump Pump Battery Backup System
![]() | Estimated RunTimes On Battery Power (10% Pump Duty Cycle):
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BA33 1/3 HP Sump Pump - 15 Hours
- Performance is based on one pump running at a time and one Power+ 120 AH batteries
30 ACi Series Sump Pump Battery Backup System
![]() | Estimated RunTimes On Battery Power (10% Pump Duty Cycle):
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WC33 1/3 HP Sump Pump - 15 Hours
- Performance is based on one pump running at a time and one Power+ 120 AH batteries