BigBattery ETHOS 48V 15.3kWh (3 Module) - Home Battery Backup
Stackable Power Storage – Expandable Lithium Backup for Off-Grid & Grid-Tied Systems
The BigBattery ETHOS 48V 15.3kWh Stackable Power Storage System delivers clean, reliable, and expandable energy for off-grid living, emergency backup, solar storage, and residential grid-tie applications. Built for performance, safety, and modular flexibility.
This 3-module system (15.36kWh total) includes the ETHOS control box, with LED display and CANBus/RS485 communication. IP65-rated casing, auto cell balancing, and internal fire suppression ensure safe and long-lasting operation.
Each module is UL9540A & UL1973 certified. When paired with a compatible 12,000W LUXPower inverter, the system is UL9540-certified—making it eligible for net metering and tax incentives in many states.
Key Features:
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Battery Capacity: 15.36kWh (3 × 5.12kWh modules)
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System Voltage: 48V – Perfect for off-grid and grid-tied applications
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Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
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Control Box: Built-in LED system display with CANBus & RS485 communications
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Safety Features: IP65-rated enclosure, internal fire suppression, auto cell balancing
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Certifications: UL9540A, UL1973 (UL9540 system-certified with LUXPower inverter)
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Expandable: Stackable and modular for future capacity growth
- Installation: Wall-mount hardware included for streamlined setup
Designed For 48V Applications:
- Residential power systems
- Home solar systems
- Cabins & tiny homes
- Family homes & mansions
- Off-grid homesteads
- Emergency power
- Whole home backup
- Lead acid replacement
Benefits:
- Reliable lithium battery technology with extended cycle life
- Supports peak shaving and time-of-use optimization
- Easily scalable for larger storage needs
- Compatible with various solar PV setups and inverters
- Designed for continuous, off-grid or grid-tied energy supply
- 30% Federal Tax Credit Available
What’s Included:
- 3 × 48V ETHOS 5.12kWh Stackable Battery Modules – Model: FETHS-48051-G1
- 1 × ETHOS Control Box – Model: CNT060
- 1 × 15kWh Controller-to-Battery Power Cable (4 ft / 1220mm) – Model: CBL091
