The Fox ESS 23.3 kWh Battery, paired with the Fox ESS 5 kW Three-Phase Hybrid Inverter, delivers a high-capacity, efficient, and scalable energy storage solution for large homes and properties with three-phase electrical systems. Ideal for households with higher energy demands, EV charging, rural properties, and larger solar PV installations, this system maximises solar self-consumption while providing reliable backup power and greater energy independence.
By storing excess solar energy generated during the day, the system allows you to power your property during the evening, overnight, or during peak electricity tariff periods, helping to reduce reliance on the grid and lower electricity costs. During a power outage, the hybrid inverter automatically supplies backup power to priority circuits, ensuring essential appliances and equipment continue operating with minimal disruption.
Key Benefits
- Reduce electricity bills by making the most of your stored solar energy.
- Keep essential household circuits powered during unexpected grid outages.
- Support higher evening energy consumption, including EV charging and other high-demand electrical loads.
- Expand battery capacity in the future with the modular Fox ESS battery system.
System Features
With 23.3 kWh of usable battery storage and a 5 kW three-phase hybrid inverter, this system provides:
- Smooth and balanced three-phase power delivery for reliable performance across all phases.
- High-efficiency DC-coupled charging for maximum solar energy utilisation.
- Intelligent energy management with seamless switching between solar, battery, and grid power.
- Reliable backup power for priority circuits during power outages.
- Quiet operation with a scalable, future-ready battery design that can grow alongside your energy requirements.
The Fox ESS 23.3 kWh Battery with the 5 kW Three-Phase Hybrid Inverter is an ideal solution for homeowners looking to reduce electricity costs, increase energy independence, and benefit from reliable backup power in a flexible, future-ready solar energy storage system.
About the Brand – Fox ESS
Fox ESS is a global clean-energy technology manufacturer known for high-efficiency inverters and long-life storage batteries, delivering smart, dependable, and future-ready renewable energy systems.
Why Australians Choose Fox ESS:
- Clean Energy Council (CEC) approved
- Strong performance and long-term reliability
- Safe and durable LFP battery technology
- Smart app monitoring with remote access
- Local support + growing installer network





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