HOME BATTERY BACKUP CALCULATOR
How Much Battery Backup Do I Need?
How many batteries does it take to provide backup power to your home? What will that battery backup scenario look like for your home?
Find out with our battery backup calculator! Use our whole home battery backup calculator to determine the estimated battery backup power needed to protect your home and family during power outages.
What level of backup power are you expecting?
Light (minimal usage)
Light usage includes only minimal usage of things like a furnace, water heater, refrigerator, freezer and well pump, as applicable.
Moderate (most of the basics)
Moderate usage includes reduced use of air conditioner and electric range, and no usage of EV charger, hot tub/spa, clothes dryer, pool pump, as applicable.
Normal (usage as usual)
Normal usage includes use of all base loads as you normally would on a daily basis.
Great! We're crunching the numbers now.
Who should we send the final results to?
Backup Calculations
Estimated Battery Capacity Need
Backup Usage Expectation
Light UsageBackup Duration
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Learn More about Battery Backup
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