BigBattery NEXUS 14.3kWh 48V LiFePO4 Battery | 280Ah | Scalable to 215kWh | Off-Grid & Backup Ready | Indoor/Ou
Power your off-grid setup with confidence using the BigBattery NEXUS 14.3kWh 48V LiFePO4 Battery — a rugged, intelligent energy storage solution built for demanding off-grid, backup, and commercial applications.
At just over 14kWh's of battery capacity, smart thermal management, and support for high-discharge loads, NEXUS is ready for any environment. Whether you're running a remote cabin, securing your home’s backup power, or scaling to commercial use, this modular system makes energy independence simple and scalable.
Engineered for total energy independence. With advanced LiFePO₄ chemistry, a rugged floor-standing design, and an integrated BMS and thermal suppression system, NEXUS redefines what high-capacity, scalable battery storage looks like. Whether you're powering an off-grid solar array, backing up a commercial facility, or securing your home with EPS, NEXUS delivers uninterrupted, long-lasting, and intelligent power—even in extreme environments.
Features
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Modular Capacity Options: Choose from 10.2kWh, 15.3kWh, 20.4kWh, or 30.7kWh configurations to match your energy needs.
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High-Performance Inverter: 12kW EG4 hybrid inverter with 3 MPPT inputs, LCD touchscreen, and integrated UPS for seamless on/off-grid transitions.
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Advanced Safety: IP65-rated enclosure, internal fire suppression, and smart BMS with auto cell-balancing ensure long-term reliability.
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User-Friendly Monitoring: Interactive LED display with CANBus and RS485 communication protocols for real-time system insights.
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DIY-Friendly Installation: Stackable, wall-mountable design with all necessary hardware included for straightforward setup.
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Financial Incentives: Eligible for a 30% Federal Tax Credit, enhancing affordability.
What Our Experts Think
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The BigBattery NEXUS 14.3kWh 48V is a LiFePO4 battery with 280Ah capacity, ideal for off-grid, backup, and scalable energy storage systems.
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Scalable up to 215kWh, supporting residential, commercial, and industrial energy needs.
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High-efficiency LiFePO4 chemistry ensures long cycle life, stable performance, and safe operation.
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Designed for indoor or outdoor installation, providing flexibility for different system setups.
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Reliable and robust, suitable for backup power, off-grid solar, and energy storage applications.
Q&A
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Q: What is the base capacity?
A: 14.3kWh at 48V with 280Ah, expandable to 215kWh.
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Q: Can it be installed outdoors?
A: Yes, designed for both indoor and outdoor installations.
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Q: What applications is it suitable for?
A: Off-grid systems, backup power, commercial and residential energy storage.
Maintenance Tips
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Avoid extreme temperatures to maximize battery lifespan.
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Inspect connections periodically to ensure safe operation.
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Follow manufacturer guidelines for charging, discharging, and scaling multiple units.
