BigBattery 48V 15.36kWh ETHOS 3X Expansion Kit – Modular Battery Add-On
Scalable 15.36kWh LiFePO₄ Expansion for ETHOS Energy Storage Systems
Expand your power with confidence using the BigBattery 48V ETHOS 3X Expansion Kit, delivering an additional 15.36kWh of premium LiFePO₄ energy storage to your existing ETHOS system. Perfect for longer outages, increased solar capacity, or greater system autonomy.
Includes three 5.12kWh stackable ETHOS modules, a rack base, and matched power and communication cables for seamless integration. Supports up to 16 modules per Control Box for easy system scaling.
Each module features Tier 1 LiFePO₄ cells, advanced BMS with automatic cell balancing, and IP65-rated enclosures with integrated fire suppression for reliable, maintenance-free performance.
Note: Expansion kit only. Control Box required (not included).
Key Features:
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Total Capacity: 15.36kWh (3 × 5.12kWh ETHOS Modules)
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System Voltage: 48V
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Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
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Modular Design: Stackable and parallel-connectable (up to 16 modules per Control Box)
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Advanced BMS: Real-time data monitoring, thermal management, automatic cell balancing
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Fire Safety: Integrated fire suppression system
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Enclosure: IP65-rated for indoor/outdoor mounting
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Easy Integration: Rack base and matched cables included
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Long Cycle Life: 4000–8000 cycles at 80% depth of discharge
Ideal Applications:
- Residential solar energy storage
- Grid-tied and off-grid systems
- Tiny homes and cabins
- Family homes and large residences
- Emergency power backup
- Lead-acid battery replacement
- Commercial offices and mobile worksites
What’s Included:
- 3 × 48V ETHOS 5.12kWh Stackable Battery Modules – FETHS-48051-G1
- 1 × ETHOS Rack Base – CNT081
- 2 × 4.9 ft ETHOS Parallel Power Cables – CBL089
- 1 × 4.9 ft ETHOS Parallel Communication Cable – CBL096
