Fox ESS is a global leader in the development of inverter and energy storage solutions. Engineered by some of the world’s leading inverter and battery experts, their products offer advanced features, coupled with exceptional performance and reliability.

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Fox ESS ECM2900 2.88kWh Master Battery (HV)

Start your high-performance home energy storage system with the Fox ESS Energy Cube ECM2900 Master Battery. This 2.88kWh high-voltage unit is the core of a scalable system, enabling you to store solar energy and reduce reliance on costly grid tariffs.

  • 2.88kWh Starting Capacity: Provides a solid foundation using safe LiFePO4 prismatic cells, as mentioned in the technical data.
  • Highly Scalable System: Acts as the master controller, supporting up to six additional ECS2900 slave modules for a total capacity of up to 20.16kWh.
  • Easy Plug & Play Installation: Designed for straightforward setup to save valuable installation time, according to the product description.

Why We Recommend This Product: The ECM2900 Master is the essential first step towards a flexible and powerful Fox ESS high-voltage battery solution, ideal for managing home energy usage.

£732.95

Fox ESS ECM4800 4.74kWh Master Battery (HV)

Establish a high-capacity energy storage system with the Fox ESS Energy Cube ECM4800 Master Battery. This powerful 4.74kWh high-voltage unit is the brain of a highly scalable system, perfect for maximising solar self-consumption and managing energy costs.

  • 4.74kWh Capacity Module: Offers a significant starting capacity using safe LiFePO4 prismatic cells, as listed in the specifications.
  • Massively Scalable System: Controls up to six additional ECS4800 slave modules, enabling a total system capacity of up to 33.24kWh.
  • Plug & Play Installation: Designed for simplicity and speed, featuring a stackable, modular setup beneficial for installers.

Why We Recommend This Product: The ECM4800 Master provides substantial capacity and control for large, flexible Fox ESS high-voltage battery systems, ideal for high-energy users.

£1339.95

Fox ESS ECS2900 2.88kWh Slave Battery (HV Expansion)

Expand your Fox ESS Energy Cube 2900 series high-voltage battery system with the ECS2900 Slave module. Add 2.88kWh of LiFePO4 storage capacity easily to increase self-consumption and save on energy costs.

  • Adds 2.88kWh Capacity: Boosts your system's storage using reliable LiFePO4 prismatic cells.
  • Simple Expansion: Designed to stack seamlessly with an ECM2900 Master and other ECS2900 Slaves.
  • Plug & Play Modularity: Simplifies adding capacity thanks to the system's easy installation design.

Why We Recommend This Product: The ECS2900 Slave is the perfect, cost-effective way to incrementally increase the storage capacity of your Fox ESS 2900 series HV battery system.

£732.95

Fox ESS ECS4800 4.74kWh Slave Battery (HV Expansion)

Expand your Fox ESS Energy Cube high-voltage storage system with the ECS4800 Slave Battery. This module adds 4.74kWh of capacity, allowing you to store more solar energy and increase your energy independence.

  • Adds 4.74kWh Capacity: Significantly boosts your system's storage using LiFePO4 cells, according to product specifications.
  • Seamless Integration: Designed to stack easily with an ECM4800 Master and other ECS4800 Slaves.
  • Plug & Play Installation: Modular design simplifies adding capacity to your existing Fox ESS setup.

Why We Recommend This Product: The ECS4800 Slave module is the straightforward way to increase the capacity of your Fox ESS 4800 series HV battery system, offering excellent scalability.

£1165.95

Fox ESS F5000-G2 5kW String Inverter

🐣 5% OFF PRICE SHOWN ABOVE

Use code EASTER5 at checkout
Registered accounts only.

Offer expires Friday 25th April 2025.


Convert your solar energy efficiently with the Fox ESS F5000-G2 5kW Single Phase String Inverter, delivering high performance and reliability for UK homes.

  • Dual MPPT optimises power from different solar panel strings.
  • Achieves a high maximum efficiency of up to 97.4%, according to the product datasheet, ensuring more usable energy.
  • IP65 rated for versatile outdoor installation.

Why We Recommend This Product: This inverter offers a superb balance of efficiency, flexibility (Dual MPPT), and robust build quality for residential solar systems.

£370.95

Fox ESS F6000-G2 6kW String Inverter

🐣 5% OFF PRICE SHOWN ABOVE

Use code EASTER5 at checkout
Registered accounts only.

Offer expires Friday 25th April 2025.


Maximise your solar generation with the powerful Fox ESS F6000-G2 6kW Single Phase String Inverter, built for high performance and reliability in UK homes.

  • Handles larger solar panel arrays with 6kW output and dual MPPT design.
  • Excellent conversion efficiency, up to 97.4% according to the technical sheet.
  • IP65 rated for robust outdoor installation and includes remote monitoring options.

Why We Recommend This Product: Ideal for larger residential solar systems, offering increased power output alongside the efficiency and flexibility of the Fox F-Series G2 range.

£440.95