How long will your batteries last?

  • Backup power when the grid goes down
  • No solar required—works standalone
  • Lease options from $89/month
See battery packages below →

Backup Time Estimator

1 Battery
2 Batteries
3 Batteries
4 Batteries
13.5 kWh
Total Storage Capacity
💡
Essentials Only
Fridge, lights, WiFi, charging
9+ hrs
🏠
Partial Home
+ Window AC, TV, kitchen
3-4 hrs
🔌
Whole Home
+ Central AC, dryer, oven
1-2 hrs

🔍 Local Incentive Finder

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Potential Savings (1 Battery) $0

Battery-Only Packages

Standalone home battery storage. No solar required. Flexible lease or purchase options.

🔋
Starter
1 Battery • 13.5 kWh
$89/mo
or $12,500 installed
  • 9+ hours of essential backup
  • 5 kW continuous power
  • Keep fridge, lights, WiFi running
  • Professional installation
  • 10-year warranty
Get a Quote
Most Popular
🔋🔋
Home Backup
2 Batteries • 27 kWh
$149/mo
or $22,000 installed
  • 18+ hours of essential backup
  • 10 kW continuous power
  • Run window AC + appliances
  • Professional installation
  • 10-year warranty
Get a Quote
🔋🔋🔋
Whole Home
3 Batteries • 40.5 kWh
$199/mo
or $31,500 installed
  • 27+ hours of essential backup
  • 15 kW continuous power
  • Power most of your home
  • Professional installation
  • 10-year warranty
Get a Quote

Learn More About Home Battery Storage

Resources to help you make an informed decision

🔋
Basics
How Do Home Batteries Work?
Learn the fundamentals of lithium-ion battery technology and how it powers your home during outages.
Read article →
💰
Buying Guide
Battery Storage 101: What to Know
A comprehensive guide to understanding home battery options, costs, and what to look for.
Read article →
📊
Comparison
Home Battery Backup Buying Guide
Consumer Reports' guide to choosing the right home battery backup system for your needs.
Read article →