Lion Energy Sanctuary 2 Indoor – Inverter and Battery System

Lion Energy Sanctuary 2 Indoor – Inverter and Battery SystemLion Energy Sanctuary 2 Home Energy Storage System The Lion Energy Sanctuary 2 is a powerful, fully automated home energy storage system designed to keep your home running during power outages. Built with advanced LiFePO battery technology and a hybrid grid support inverter, it delivers reliable, quiet, and maintenance free backup power. When the grid goes down, the system instantly switches to battery power keeping your lights, refrigerator, furnace,

Lion Energy Sanctuary 2 – Home Energy Storage System

The Lion Energy Sanctuary 2 is a powerful, fully automated home energy storage system designed to keep your home running during power outages. Built with advanced LiFePO₄ battery technology and a hybrid grid-support inverter, it delivers reliable, quiet, and maintenance-free backup power.

When the grid goes down, the system instantly switches to battery power — keeping your lights, refrigerator, furnace, Wi-Fi, and essential appliances running without noise, fuel, or manual intervention.

Designed for indoor installation, the Sanctuary 2 is ideal for whole-home or essential-load backup and can be expanded as your energy needs grow.

Key Features

• Automatic Backup Power
  Instant seamless transition to battery power during outages — no fuel, no noise, no manual transfer switch required.
• Expandable Energy Capacity
  14.3kWh (1 battery)
  28.6kWh (2 batteries)
  42.9kWh (3 batteries)
  Expandable up to 43kWh total capacity per inverter.
• Powerful 8kW Output
  8kW nominal output power
  8.8kW max apparent power
  120V / 240V split-phase output
  Supports essential circuits or larger home loads.
• Solar & Generator Compatible
  Supports solar PV input (up to 500V)
  Compatible with AC-coupled solar systems
  Generator compatible (single source input)
• High-Efficiency Performance
  97.8% max inverter efficiency
  89% round-trip system efficiency
  100A grid pass-through capability
• Safe & Long-Lasting LiFePO₄ Batteries
  14.3kWh Lithium Iron Phosphate modules
  Long cycle life and stable performance
  Advanced Battery Management System (BMS)
  UL certified for safety
• Smart Monitoring
  Monitor performance, track usage, and manage settings via Lion Energy mobile and desktop app.
• Indoor-Rated Design
  Type 3R, IP65 inverter rating
  Designed for shaded indoor installations
  Silent operation with no emissions

System Configurations

• Sanctuary ESS 12-14.3 – 400 lbs
• Sanctuary ESS 12-28.6 – 690 lbs
• Sanctuary ESS 12-42.9 – 980 lbs
• Single Cycle Round Trip Efficiency (SCRTE): 89%
• Installation: Install in shaded locations. Do NOT install in direct sunlight.

Major System Components

• Lion Hybrid Inverter – 12kW Grid Support Interactive Inverter
• Lion LFP Battery – 14.3kWh

PV Input

• Max PV Input Power: 12kW
• MPPT Input Voltage Range: 120–500V
• Max Input Current per MPPT: 14A × 4
• Max Short Circuit Current per MPPT: 22A
• AC Solar Max: 8kW

AC Output (On-Grid)

• Nominal Output Power: 8kW
• Max Apparent Power Output: 8.8kW
• Nominal AC Output Current: 33.3A
• Max AC Output Current: 36.7A
• Output Voltage Range: 120V / 240V Split Phase
• Grid Frequency: 60Hz
• Max Grid Passthrough: 100A
• Output THDI: < 3%
• Maximum Output Fault Current:
  • 71.5A (1 Cycle)
  • 72.0A (3 Cycles)
  • 72.4A (5 Cycles)

AC Output (EPS / Backup)

• Nominal Output Power: 8kW
• Power Factor Range: -0.8 to +0.8
• EPS Voltage Range: 110–120V / 220–240V Split Phase
• EPS Frequency: 60Hz
• Output THDU: < 2%

Battery Interface (Inverter Side)

• Battery Voltage Range: 40V–60V
• Max Charging Current: 190A
• Max Discharging Current: 190A

GEN / AC-Coupled PV Connection

• Terminals: L1, L2, N, PE (Split-Phase 120/240V)
• Source: Single source only — generator or AC-coupled solar
• Max Apparent Power: 8kW per inverter
• Auto-Start: Supported

General Inverter Data

• Humidity: 0–95%
• Ingress Protection: Type 3R, IP65
• Max Efficiency: 97.8%
• PV DC AFCI: Type 1
• PVRSS: Tigo RSS Transmitters (RS2)
• Weight: 110 lbs
• Dimensions (H × W × D): 33.6” × 18.50” × 10.08”
• Compliance: UL9540, UL1741:2021, UL1741 SB:2021, UL1741 SA:2018, UL1699B:2018, IEEE 1547:2018, IEEE 1547a:2020, IEEE 1547.1:2020, CPUC Rule21:2017, FCC 15 Class-B

Lion LFP Battery – 14.3kWh

• Battery Type: Lithium Iron Phosphate
• Voltage Range: 40–58.4VDC
• Rated Voltage: 51.2VDC
• Capacity: 14.3kWh
• Usable Capacity: 90%
• SCCR (Isc Rating): 2040A / 7ms
• Parallelable Capacity: 43kWh Max
• Max Parallelable Overcurrent Protective Device: 240A
• Max Quantity in Parallel: 3
• Charging Temperature Range: 32ºF–131ºF / 150A
• Discharging Temperature Range: -4ºF–131ºF / 160A
• Derate Range: Below 50°F, Above 104°F
• Weight: 290 lbs
• Dimensions (H × W × D): 44.4” × 18.50” × 9.75”
• Compliance: UL1973, UL9540, UL9540A