Fox ESS Battery

Fox ESS Solar Inverters & Battery Storage

Fox ESS is a globally recognised manufacturer of solar hybrid inverters and lithium battery energy storage systems, offering high efficiency, smart functionality, and scalable design. Fox ESS solutions are well suited to Australian residential and commercial installations, helping customers maximise solar self-consumption and energy independence.

Whether you are installing a new solar system or upgrading an existing one with battery storage, Fox ESS provides a future-ready energy solution engineered to meet Australian standards and operating conditions.

Fox ESS is part of the Tsingshan Group, a Fortune Global 500 company, providing strong financial backing and advanced manufacturing capability. Headquartered in Wuxi, China, Fox ESS exports to more than 100 countries worldwide and continues to grow its presence in Australia due to its reliability, safety credentials, and competitive pricing.

Why Choose Fox ESS?

High System Efficiency

Fox ESS hybrid inverters achieve efficiencies of up to 98%, while battery systems support deep discharge and high round-trip efficiency. This allows more of your solar energy to be stored and used, reducing reliance on grid electricity.

Intelligent Hybrid Inverters

Fox ESS hybrid inverters are designed for both grid-connected and off-grid applications, seamlessly managing energy flow between solar panels, batteries, and the grid.

• Single-phase and three-phase models available

• Power range from 3 kW to 12 kW

• Built-in Wi-Fi and optional 4G connectivity

• Real-time monitoring and remote firmware updates

Modular Battery Systems

Fox ESS batteries feature a modular design, allowing systems to start small and expand as energy needs grow.

• ECS Series: Stackable high-voltage modules starting from 2.9 kWh per unit, expandable beyond 20 kWh

• EP Series: Compact wall-mounted batteries in 5.2 kWh and 10.4 kWh sizes

• LiFePO₄ (LFP) chemistry: Long lifespan, enhanced safety, and strong thermal stability

IP65 Rated – Built for Australian Conditions

Fox ESS batteries and inverters are IP65 rated, making them suitable for both indoor and outdoor installation and capable of handling harsh Australian environments.

Scalable for Residential & Commercial Use

Fox ESS systems are designed to grow with your energy requirements—ideal for homes, commercial sites, and future upgrades such as EV charging or increased storage capacity.

Benefits for Homeowners & Businesses

• Reliable Backup Power
  Maintain power to essential circuits during grid outages with high-voltage backup capability.

• Lower Electricity Bills
  Store excess solar energy and use it during peak tariff periods to reduce energy costs.

• Flexible & Future-Ready
  Expand storage capacity up to 32.61 kWh, supporting larger homes, growing businesses, or EV charging.

• Safe, Quiet & Low Maintenance
  LiFePO₄ battery technology with natural cooling ensures silent operation and long-term reliability.

Fox ESS ECS4800 Series Battery System

The Fox ESS ECS4800 Series is a high-voltage modular battery solution designed for residential and light commercial energy storage applications.

Key Features

• Modular High-Voltage Design
  Each module provides 4.66 kWh, with systems expandable up to 32.61 kWh using up to seven modules connected in series.

• High Efficiency & Deep Discharge
  Greater than 95% round-trip efficiency and 90% Depth of Discharge, maximising usable stored energy.

• Installer-Friendly Architecture
  Plug-and-play system with CAN communication, wall- or floor-mounted options, and IP65-rated enclosure for indoor or outdoor installation.

👉 Download the Fox ESS ECS4800 Series Datasheet for full technical specifications.