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Home Backup

Home Battery Backup: Complete Guide to Whole Home Systems

Jordan MitchellNovember 202513 min read

Power outages are becoming more frequent and longer-lasting. A home battery backup system keeps your essential appliances running when the grid goes down. This guide covers everything from choosing the right system to installation.

Why You Need Home Battery Backup

Keep Food Fresh

Refrigerator and freezer keep working

Medical Equipment

CPAP, oxygen concentrator, etc

Stay Connected

Wi-Fi and phone charging

Comfort & Safety

Lights, fans, heating

Types of Home Backup Systems

Portable Generator

500-2000Wh
$500-$2,000

Power a few essential appliances

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Home Backup System

2000-5000Wh
$1,000-$3,000

Power most essential appliances

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Whole Home System

5000Wh+
$3,000-$10,000+

Power your entire home

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What Can You Power?

ApplianceWattsDaily WhPriority
Refrigerator150W1800WhCritical
Freezer100W1200WhCritical
LED Lights (5)30W150WhCritical
Wi-Fi Router20W480WhImportant
Phone Charger10W20WhImportant
CPAP Machine60W480WhCritical
TV100W400WhNice to Have
Microwave1000W500WhNice to Have

Recommended Home Backup Systems

EcoFlow Delta Pro

3,600Wh
$1,999
View Details

Bluetti AC200MAX

2,048Wh
$1,099
View Details

Renogy 400W Kit

2,000Wh
$899
View Details

Not Sure What Size Backup You Need?

Use our calculator to determine your exact requirements.