The Fox ESS 13.98 kWh Battery, combined with the Fox ESS 5 kW Three-Phase Hybrid Inverter, delivers a high-performance, efficient, and scalable home energy storage solution for medium to large properties. Designed for homes with three-phase electrical systems, higher energy consumption, or EV charging requirements, this system maximises solar self-consumption while providing dependable backup power when you need it most.
By storing excess solar energy generated during the day, the system enables you to power your home during the evening, overnight, or during peak electricity tariff periods, reducing reliance on the grid. In the event of a power outage, it automatically supplies backup power to essential household circuits, ensuring greater energy security and uninterrupted comfort.
Key Benefits
- Reduce electricity bills by making the most of your stored solar energy.
- Keep essential household circuits powered during grid outages.
- Support higher evening energy usage, including EV charging and larger household loads.
- Increase storage capacity over time with the modular Fox ESS battery system.
System Features
With 13.98 kWh of usable battery storage and a 5 kW three-phase hybrid inverter, this system provides:
- Smooth, balanced power delivery across all three phases.
- High-efficiency DC-coupled solar charging for maximum energy utilisation.
- Intelligent energy management with seamless switching between solar, battery, and grid power.
- Reliable backup power for priority circuits during unexpected outages.
- A scalable, future-ready design that grows with your household’s energy needs.
Whether you’re looking to reduce electricity costs, improve energy independence, or ensure reliable backup power, this Fox ESS three-phase system offers a smart, flexible, and future-proof solution for modern homes.
About the Brand – Fox ESS
Fox ESS is a global clean-energy technology manufacturer known for high-efficiency solar inverters and long-life energy storage batteries. The company focuses on delivering smart, dependable, and future-ready renewable energy solutions for homes and businesses.
Why Australians Choose Fox ESS:
- Clean Energy Council (CEC) approved products
- Strong performance and long-term reliability
- Safe and durable LFP battery technology
- Smart monitoring through the FoxCloud mobile app
- Local support with a growing installer network
Fox ESS systems provide smart, stable, and cost-effective energy independence.





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