Never be left in the dark.
Whole-home battery backup with the Lion Energy Sanctuary 3 — quiet, clean, automatic power when the grid goes down.
Certified Lion Energy Distributor & Installer
Whole-Home BackupSolar-ReadyLiFePO₄ TechnologySmart Monitoring
Why battery backup
Power that is ready before the outage starts.
No fuel cans, no pull cords, no generator noise. Sanctuary 3 is designed to take over automatically and keep the circuits that matter running.
01
Quiet, Clean Backup
No fumes, gasoline storage, or loud generator noise — just dependable battery power.
02
Whole Home or Essentials
Design the system around your entire home or critical loads such as refrigeration, lighting, Wi-Fi, and medical equipment.
03
Solar-Ready
Works with compatible solar configurations so stored energy can help extend backup time.
04
Expandable
Start with the capacity you need and add batteries or inverter capacity as your needs grow.
05
Smart Monitoring
See system status and performance so you know what your backup power is doing.
06
No Gas, No Hassle
Skip fuel storage and routine generator maintenance. Your battery system stays ready.
Lion Energy Sanctuary 3
Built for serious home backup.
A scalable AC-coupled energy storage platform designed for whole-home backup, grid support, and integration with compatible energy systems.
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High-capacity LiFePO₄ storageLong-life lithium iron phosphate chemistry built for stationary energy storage.
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120/240V split-phase powerDesigned around common residential electrical service.
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Indoor or outdoor installationWeather-rated equipment supports flexible placement when site conditions allow.
Technical overview
Start with the right system size.
Final sizing depends on your electrical loads, desired runtime, existing solar, and installation conditions.
14.3 kWhNominal battery capacity per Sanctuary 3 battery in the recovered site content
120/240 VSplit-phase residential electrical architecture
ExpandableMultiple battery and inverter configurations available for larger backup needs
System specifications should be confirmed against the current Lion Energy documentation before quoting or installation.
Simple process
From outage concerns to installed backup power.
Free Phone Consult
Tell us about your home, outage history, and what you want to keep powered.
Home & Load Review
We review the panel and the appliances or circuits that matter most.
Custom Design
We size the Sanctuary 3 configuration around your needs and budget.
Professional Installation
Equipment is installed, configured, and tested for proper operation.
Walkthrough & Support
We show you how the system works and stay available after installation.