BigBattery ETHOS 48V 20.4kWh (4 Module) - Home Battery Backup
Stackable Power Storage System – Scalable Lithium Backup & Off-Grid Energy
The BigBattery ETHOS 48V 20.4kWh Stackable Power Storage System is a high-capacity solution for off-grid and grid-tied applications. Perfect for cabins, homes, or homesteads, it delivers safe, scalable, and uninterrupted energy day after day.
This 4-module configuration includes an ETHOS control box and interconnect hardware for streamlined installation. The modular, stackable design allows easy future expansion. Integrated LED display, CANBus/RS485 communication, and advanced BMS with auto cell balancing make monitoring effortless.
Encased in an IP65-rated enclosure and equipped with an internal fire suppression system, the ETHOS is engineered for long-term safety and performance. Ready to integrate with solar inverters, this system is ideal for off-grid living, backup power, or full home energy independence.
Key Features:
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Battery Capacity: 20.48kWh (4 × 5.12kWh modules)
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System Voltage: 48V – Perfect for off-grid or grid-tied energy storage
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Battery Chemistry: Lithium Iron Phosphate (LiFePO4)
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Control Box: LED display with CANBus & RS485 protocols
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Safety Features: IP65-rated housing, fire suppression, auto cell balancing
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Expandable Design: Stackable & modular for future growth
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Installation: Includes rack base and all necessary cabling for 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:
- 4 × 48V ETHOS 5.12kWh Stackable Battery Modules – Model: FETHS-48051-G1
- 1 × ETHOS Control Box – Model: CNT060
- 1 × ETHOS Rack Base – Model: CNT081
- 2 × Parallel Power Cables (4.9 ft / 1500mm) – Model: CBL089
- 1 × Parallel Communication Cable (4.9 ft / 150cm) – Model: CBL096
