The Fox ESS 27.96 kWh Battery, paired with the Fox ESS 5 kW Single-Phase Hybrid Inverter, delivers a high-capacity, efficient, and reliable home energy storage solution for large homes, multi-occupant households, and properties with high energy consumption. Designed to maximise solar self-consumption, this system helps reduce electricity costs while providing dependable backup power and greater energy independence.
Store excess solar energy generated during the day and use it in the evening, during peak electricity tariff periods, or whenever the grid is unavailable. With intelligent energy management and seamless backup functionality, this system ensures essential household circuits remain powered while making the most of your solar investment.
Key Benefits
- Lower electricity bills by increasing the use of stored solar energy
- Keep essential household circuits running during power outages
- Support higher evening energy demand, including EV charging
- Increase energy independence with intelligent solar, battery, and grid management
- Expand battery capacity in the future with the modular Fox ESS battery system
With 27.96 kWh of usable battery storage and a 5 kW single-phase hybrid inverter, the system offers:
- High-efficiency DC-coupled battery charging for improved solar utilisation
- Automatic, seamless switching between solar, battery, and grid power
- Reliable backup performance for essential household loads
- Stable single-phase operation for efficient day-to-day energy management
During a power outage, the system can supply essential appliances such as refrigerators, lighting, internet and communication equipment, televisions, fans, and other critical household circuits. Backup duration will vary depending on energy consumption and the connected load, helping keep your home powered when grid electricity is unavailable.
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 via 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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