Explore the Fox ESS EP6 and EP12 high voltage storage batteries side by side. Both models are scalable, IP65 rated, and include 90% Depth of Discharge, smart battery warming and built-in fire suppression.
5.76kWh high voltage storage battery
A scalable EP battery option with 5.76kWh nominal energy per unit and a total storage capacity of up to 23.04kWh when four units are installed in parallel.
11.52kWh high voltage storage battery
A scalable EP battery option with 11.52kWh nominal energy per unit and a total storage capacity of up to 46.08kWh when four units are installed in parallel.
The EP6 is a high-voltage storage battery designed for flexible residential energy storage. With 5.76kWh nominal energy per unit and the ability to connect up to 4 units in parallel, the EP6 provides a scalable storage option for systems requiring up to 23.04kWh of capacity.
The EP6 uses LFP battery technology and offers 90% depth of discharge, with an IP65 protection rating for indoor or outdoor installation. It can also be installed as a floor or wall mounted battery, supporting flexible system design.
The EP12 is a high-voltage storage battery designed for larger-capacity residential energy storage systems. With 11.52kWh nominal energy per unit and support for up to 4 units in parallel, the EP12 can scale up to 46.08kWh of storage capacity.
Built with LFP battery technology, the EP12 offers 90% depth of discharge and an IP65 protection rating for indoor or outdoor installation. The unit can be installed as a floor or wall mounted battery, giving installers flexibility when designing the system layout.
The EP battery range can be paired with compatible Fox ESS hybrid inverters. The configurations below apply to both the EP6 and EP12 models.
Minimum: 1 Battery
Maximum: 4 Batteries
Please note, when installing batteries in parallel a junction box is required.
Fox Cloud is your online command centre — giving you full visibility and control over your energy system from anywhere. With a clean, intuitive interface, it allows you to monitor real-time performance, review historical data, and adjust settings to suit your lifestyle or energy tariff.
Whether you’re fine-tuning your charge/discharge schedule, checking your battery health, or tracking solar generation, Fox Cloud makes managing your system simple and smart. It’s available via web browser and syncs seamlessly with the Fox ESS app, so you’re always connected – whether at home or on the go.
Feature availability may vary depending on your device and app version.
Smart optimisation - forecasting solar, tracking tariffs, and automatically charging or discharging to cut costs, while also enabling participation in grid flexibility services.
Join a Virtual Power Plant that aggregates Fox systems to support the grid and unlock extra value through flexible energy services.
Kraken’s smart tariffs and automation intelligently control Fox batteries to maximise low-cost, low-carbon energy use.
A secure energy connectivity platform that links Fox systems with leading clean-tech apps for seamless optimisation and demand-response control.






