Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

Authorized Lion Energy Dealer | Full Vendor Warranty Included

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$13,298.00
$15,399.00
$13,298.00
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Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

Lion Energy

Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

$15,399.00 $13,298.00
Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

Lion Energy

Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

$15,399.00 $13,298.00
  • Description

Lion Energy Sanctuary 3 Energy Storage System (AC ESS)

The Sanctuary 3 Energy Storage System is a powerful, quiet, and fully automated whole-home backup solution designed for modern, high-demand households. With an 18kW grid-interactive inverter and advanced LiFePO₄ battery technology, it delivers seamless power during outages without fuel, noise, or manual switching. Built to scale, Sanctuary 3 grows with your energy needs, offering long runtime, high output, and intelligent energy management.

Features

  • Whole-home backup power with instant automatic switchover
  • Silent operation with no fuel or emissions
  • High-output 18kW split-phase inverter
  • Scalable inverter and battery expansion
  • Supports HVAC, large appliances, and critical loads
  • Advanced LiFePO₄ battery technology
  • Grid-interactive with generator and AC-coupled solar support
  • Designed for indoor or outdoor shaded installation
  • Low maintenance, long service life

Specifications

System

  • Max Parallelable Inverters: 4
  • Max Parallelable Batteries: 15
  • Max Parallelable Output Power: 48kW
  • Max System Capacity: 215.6kWh
  • Max System Weight: 4,225 lbs
  • Max Parallelable Circuit Protective Device: 240A
  • Usable Capacity: 80%
  • Single Cycle Round Trip Efficiency (SCRTE): 89%
  • Battery State of Health at End of Warranty: 70%
  • Humidity Rating: 0–95%
  • Altitude Rating: 0–4,000m, derating above 2,000m
  • Ingress Protection: NEMA 3R, IP65
  • Max Internal Fault Current Rating: 1,800A

Inverter – Sanctuary 3 (18kW Grid-Interactive)

  • Rated Power (On-Grid): 18kW
  • Max Apparent Power: 19.8kVA
  • Nominal AC Output Current: 75A
  • Max AC Output Current: 82.5A
  • Output Voltage: 120 / 240V split-phase
  • Grid Frequency: 60Hz
  • Max Grid Pass-Through: 200A
  • Off-Grid Output Power: 12kW
  • Power Factor Range: 0.8–1
  • Output THD: <2%
  • Maximum Output Fault Current: 71.3A (1 cycle), 724A (5 cycles)
  • PV Input Power: 18kW
  • MPPT Voltage Range: 120–430V
  • Max PV Input Voltage: 600V
  • Max Short Circuit Current per MPPT: 22A
  • Battery Voltage Range: 40–58.4V
  • Max Charging Current: 250A
  • Max Discharging Current: 260A
  • Max Efficiency: 96.5%
  • Rapid Shutdown: Tigo RSS Transmitter
  • Arc Fault Protection: AFCI, PV DC Arc
  • Dimensions: 51.5" × 19.5" × 10.43"
  • Weight: 184 lbs

Battery – Sanctuary 3 (14.3kWh)

Certifications & Compliance

  • ESS System: UL 9540
  • Inverter: UL 1741, UL 1741 SB, IEEE 1547-2018, IEEE 1547.1-2020, FCC Part 15 Class B, UL 1699B
  • Battery: UL 1973, UL 9540A

Other Details

  • Supports generator or AC-coupled solar connection, single source only
  • Auto-start generator functionality supported
  • Install in shaded, well-ventilated locations only
  • High-voltage system, electric shock risk
  • Capacitors retain hazardous energy, do not touch
  • Read all instructions before installation, operation, or maintenance

Frequently Asked Questions

Yes! We provide free and fast shipping on MOST orders within the continental United States. However, some specific brands and items will require a quote. You can live chat or call us for a quote
Most orders ship out within 1–2 business days and arrive within 3–5 business days depending on your location.
We offer easy returns as long as your item meets the conditions outlined in our Return Policy. Items must be unused, in original packaging, and returned within the specified return window.
Absolutely! Our in-house product experts are here to help. Live chat or call us 513-743-829 for personalized advice before or after your purchase.
Yes. All products include any applicable manufacturer warranties, and we’ll help you handle any warranty claims if needed.
Yes, we only sell 100% authentic, brand-new products, sourced directly from our manufacturers or authorized distributors.

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Feedback From Our Customers

At Green Vista Living, we pride ourselves on delivering top-quality products and exceptional service to solar professionals and homeowners alike. Here's what our customers have to say about their experiences with us.

Kevin Leary
May 18, 2025
★★★★★

Incredible Tech Support from Anees of Green Vista Living. Exceptional service and went above and beyond on every question.

Bryan Cunningham
Off grid Kit • Dec 21, 2025
★★★★★

Shipment was slow due to high demand, but the team kept me informed and ensured everything arrived properly.

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