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Using LiFePO4 chemistry and an integrated intelligent BMS, the OutBack EnergyCell 5 stores energy for outages, peak utility hours or off-grid living. Stacks of 3 to 8 modules can expand to 24 modules in total. It suits homes and small businesses that expect storage needs to grow.
Planning a system? Read our guide: How to size a battery backup system for your home.
Residential backup, off-grid or hybrid solar, and small commercial storage where scalability matters.
A Safer, Smarter Home Battery — Your Power, Your Peace of Mind The OutBack EnergyCell 5 is a lithium energy storage battery designed to safely store power and deliver it when your home or small business needs it most—during outages, peak utility hours, or off-grid operation. Built with advanced LiFePO4 chemistry and an integrated intelligent Battery Management System (BMS), it delivers reliable, safe, and scalable energy storage for backup power and energy independence. Engineered for long-term durability, the EnergyCell 5 supports seamless system expansion as energy needs grow. Key Benefits Reliable Backup Power: Provides consistent energy during outages, helping keep essential loads powered when the grid goes down. Modular & Scalable Design: Stack 3–8 modules per stack and expand up to 24 modules total, allowing systems to grow alongside future energy demands. Integrated Intelligent BMS: Actively monitors and balances voltage, current, and temperature to optimize performance, extend battery life, and enhance system safety. Simplified Installation & Setup: Automatic stack identification and communication reduce setup time and streamline system integration for installers. Enhanced Safety Features: Includes an internal fire-extinguishing module and stable LiFePO4 chemistry for added protection and peace of mind. Use Cases Ideal for residential backup power systems, off-grid or hybrid solar installations, and small commercial energy storage applications where reliability, scalability, and safety are critical. Tech Specs Battery Chemistry: LiFePO4 Nominal Voltage: 51.2V Continuous Charge / Discharge Power: 5kW Outdoor Rating: IP65 Certifications: UL 9540A, UL 1973, CE Module Dimensions (H × W × D): 7.1” × 16.9” × 29.1”
Warranty terms mentioned in this description are the manufacturer’s. Our own coverage is the 30-day limited warranty.
We confirm compatibility, installation requirements, and delivery details with you during order review, before any payment. Home electrical work may require a qualified installer.
Ask our team how many EnergyCell 5 modules your backup plan calls for. Message our team on WhatsApp.
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