Power Planning Calculator
Sump Pump Backup Calculator
Estimate backup power needs for a sump pump during outages and heavy rain.
Planning estimate
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Enter your setup to calculate an estimate.
Your Setup
Use equipment labels or manufacturer specifications whenever possible.
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W
Preset values are approximate Honda planning figures. Use your pump label or manual when available.
Wh
%
min
Use the worst cycling rate you have observed during heavy rain.
W
Use zero if the backup system sleeps between pump cycles.
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Planning estimate
Enter your setup–· Results update instantly.
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Enter your setup to see a practical planning estimate.