

EQ4800-L9
Advanced LiFePO₄ Battery Technology:
The system utilises lithium iron phosphate (LiFePO₄) battery chemistry, providing high thermal stability, enhanced safety, and long cycle life compared with conventional lithium-ion battery technologies.
High Energy Storage Capacity (Up to 41.93kWh):
The EQ4800-L9 configuration delivers a total system capacity of 41.93kWh, making it suitable for large residential and commercial energy storage applications requiring high energy availability.
Modular & Scalable Design:
The system is built on a modular architecture consisting of one master module and multiple expansion modules, allowing flexible scalability from small systems up to ~41.9kWh in a single stack.
High Voltage System (~403V):
Operating at a nominal voltage of approximately 403V, the system enables higher efficiency, lower current, and reduced energy losses compared with traditional low-voltage battery systems.
High Efficiency & Usable Energy:
The battery supports up to 90–100% depth of discharge (DoD) and delivers >95% round-trip efficiency, ensuring maximum usable energy and improved system performance.
Enhanced Low-Temperature & Climate Performance:
Designed for wide operating conditions, the system performs reliably across a broad temperature range, making it suitable for diverse climates including harsh Australian environments.
IP65 Rated Outdoor Installation:
The enclosure is rated IP65, allowing installation both indoors and outdoors while maintaining protection against dust and water ingress.
Plug-and-Play Installation:
The system features a simplified plug-and-play design, reducing installation time and complexity for installers.
Long Cycle Life & Warranty Protection:
The battery offers up to 10,000 cycle life and is supported by a 10-year product warranty, ensuring long-term performance and reliability.

Fox ESS delivers advanced solar inverter and energy storage solutions for homeowners and businesses seeking intelligent energy management, reliable performance, and flexible system integration. Founded in 2019, Fox ESS is a rapidly growing global energy technology brand focused on developing high-efficiency solar inverters and battery storage systems that support the transition toward smarter, cleaner energy.
Built on strong research and development capabilities and supported by global manufacturing resources, Fox ESS specialises in a wide range of products including string inverters, hybrid inverters, battery storage systems, and smart energy management platforms. By combining efficient power conversion technology with intelligent monitoring and scalable storage solutions, Fox ESS provides high-quality energy systems designed to maximise solar generation, enhance energy independence, and deliver reliable performance for residential and commercial solar installations.

