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Description
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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.0 ★★★★★
Based on 1107 reviews
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Product Reviews
★★★★★ 5
Would recommend!
Color: White, Size: Queen
I bought this mattress topper for my teenage daughter for her bed. It was on sale when I purchased it and when it arrived I loved the quality and softness of the topper. Great buy for the price! It stays in place and fits as sized. I have yet to launder it, but I would assume it will wash up just fine. My daughter loves it and makes her bed dreamy.
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Reviewed in the United States on March 23, 2026
★★★★★ 5
Saved me so much money
Im loving this mattress topper. It has added a noticeable layer of comfort to my firm mattress without making it feel too soft. The cushion is plush yet supportive and has made sleeping more comfortable overall.
The bamboo feels soft and breathable. It fits on the mattress with the deep pockets and stays in place alk night. Setup was easy and it fluffed up after unpacking.
If you have a firm mattress and want extra comfort without replacing it, this topper is a great option. Highly recommend
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Reviewed in the United States on December 29, 2025
★★★★★ 5
Comfortable, cooling, and OEKO-TEX certified, it’s a great way to refresh any mattress.
This 3-inch mattress topper instantly upgraded my bed with a softer, cooler, and more supportive feel. The bamboo-viscose fabric is noticeably breathable, helping regulate heat throughout the night—great for hot sleepers. The 1200GSM down-alternative fill adds plush, cloud-like cushioning while still offering balanced support for the back and shoulders. It fits securely with the deep pockets and stays in place even when turning. After allowing it to fully expand, the topper fluffs up beautifully. Comfortable, cooling, and OEKO-TEX certified, it’s a great way to refresh any mattress.
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Reviewed in the United States on December 8, 2025
★★★★★ 5
Great upgrade for a rental apartment mattress
The mattress in my rental place is firm to the point where it almost feels unfinished. Instead of replacing it, I decided to try adding this topper. It made an immediate difference in the way the bed feels when I sit or lie down. There’s a nice cushioned layer that softens that “flat” feeling but still holds its shape. Another thing I noticed is how breathable it is. I expected thick padding to feel warm, but the airflow here feels better than the original mattress surface. Even after moving around, it never felt heavy or stuffy.
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Reviewed in the United States on November 22, 2025
★★★★★ 5
Soft and Comfortable Topper
I got this bamboo mattress topper for a small single bed we keep in our guest room, but I ended up testing it out myself first. The material feels soft and breathable, which is nice because that room can get a little warm in the afternoons. It adds a good amount of cushioning without making the bed too soft. After a couple of nights, my back actually felt better compared to the old mattress alone. I also appreciate that it’s machine washable, because our guest room sometimes doubles as a nap spot for my son after swim class, and spills happen. It dried pretty quickly in the dryer and kept its shape. Overall, it made the bed feel much more comfortable and fresh.
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Reviewed in the United States on November 24, 2025