Discover the full range ofΒ FOX ESS hybrid inverters and battery packs, available for supply only or with professional installation. Whether you’re looking for a simple supply package or a complete installed solution, we provide flexible options to suit both residential and commercial projects.

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Fox EQ HV EQ4800-L3, 13.98kWh 1x Master 2x Slave Β£3,723.00 + VAT
Fox EQ HV EQ4800-L3, 13.98kWh 1x Master 1x Slave #2: FE-HV-EQ-3-4.8-14.4Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ4800 High-Performance Scalable Battery Storage System The Fox EQ4800 is a high-performance, scalable battery storage solution designed for both residential and commercial energy applications. Its modular design allows for maximum flexibility, making it suitable for a broad range of storage needs. Additional battery modules can be added to reach a maximum storage capacity of 41.94 kWh. Warranty Reminder: Register your installation with Fox online to activate the 12-year product warranty. Without registration, the standard warranty is 5 years. Fox EQ4800 4.66kWh – Stack of 3 (13.98kWh Useable Storage) This kit includes: 1 x Fox EQ4800 4.66kWh HV Battery (Master) – FE-HV-EQM-4800 2 x Fox EQ4800 4.66kWh HV Battery (Slave) – FE-HV-EQS-4800 Compatibility: EQ4800 modules are compatible with ECS-4800 batteries. Key Features Plug-and-Play Installation: Easy and fast setup Battery Capacity: 4.66 kWh per module Scalable Design: Expandable up to 41.94 kWh Depth of Discharge: 90% for maximum usable energy Wide Temperature Tolerance: Reliable performance in diverse environments Advanced Communication: CAN/RS485 connectivity for smart energy management High Voltage Operation: Supports faster charging and discharging Technical Specifications Weight: 125.5 kg Battery Type: Lithium-Ion (LiFePO4) Nominal Energy: 13,980 Wh Depth of Discharge: 90% Voltage: 134 V Continuous Discharge Rate (Normal Use): 2,240 W Maximum Discharge Rate (5 Minutes): 4,480 W Surge Discharge Rate (15 Seconds): 5,785 W Maximum Charge Rate (5 Minutes): 4,480 W Dimensions (W x H x D): 570 x 524 x 380 mm Installation Notes Minimum Modules Required: 2 (1 Master + 1 Slave) Maximum Stack: Up to 9 modules (1 Master + 8 Slaves) Compatibility: Ensure any added battery modules match your existing Energy Cube stack Professional Installation: Must be installed by a qualified electrician βœ… The Fox EQ4800 Stack of 3 is an ideal solution for scalable, high-performance solar storage, providing reliable, expandable energy for homes and businesses in the UK. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.
Fox EQ HV EQ4800-L4, 18.64kWh 1x Master 3x Slave Β£4,948.00 + VAT
Fox EQ HV EQ4800-L4, 18.64kWh 1x Master 3x Slave #2:Β  FE-HV-EQ-4-4.8-19.2 Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ4800 High-Performance Scalable Battery Storage System The Fox EQ4800 is a high-performance, modular battery storage solution designed for residential and commercial energy applications. Its scalable design allows maximum flexibility, enabling additional modules to increase storage capacity up to 41.94 kWh. Warranty Reminder: Register your installation with Fox online to activate the 12-year product warranty. Without registration, the standard warranty is 5 years. Fox EQ4800 4.66kWh – Stack of 4 (18.64kWh Useable Storage) This kit includes: 1 x Fox EQ4800 4.66kWh HV Battery (Master) – FE-HV-EQM-4800 3 x Fox EQ4800 4.66kWh HV Battery (Slave) – FE-HV-EQS-4800 Compatibility: EQ4800 modules are fully compatible with ECS-4800 batteries. Key Features Plug-and-Play Installation: Quick and easy setup Battery Capacity: 4.66 kWh per module Scalable Design: Expandable up to 41.94 kWh Depth of Discharge: 90% for maximum usable energy Wide Temperature Tolerance: Reliable in various climates Advanced Communication: CAN/RS485 connectivity for intelligent energy management High Voltage Operation: Supports faster charging and discharging Technical Specifications Weight: 166.5 kg Battery Type: Lithium-Ion (LiFePO4) Nominal Energy: 18,640 Wh Depth of Discharge: 90% Voltage: 179 V Continuous Discharge Rate (Normal Use): 2,240 W Maximum Discharge Rate (5 Minutes): 4,480 W Surge Discharge Rate (15 Seconds): 5,785 W Maximum Charge Rate (5 Minutes): 4,480 W Dimensions (W x H x D): 570 x 622 x 380 mm Installation Notes Minimum Modules Required: 2 (1 Master + 1 Slave) Maximum Stack: Up to 9 modules (1 Master + 8 Slaves) Compatibility: Ensure any added modules match your existing Energy Cube stack Professional Installation: Must be installed by a qualified electrician βœ… The Fox EQ4800 Stack of 4 is ideal for homeowners or businesses seeking a scalable, high-performance solar battery storage solution with reliable performance and expandability. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.
Fox EQ HV EQ4800-L5, 23.3kWh 1x Master 4x Slave Β£6,102.00 + VAT
Fox EQ HV EQ4800-L5, 23.3kWh 1x Master 4x Slave #2:Β  FE-HV-EQ-5-4.8-24.0 Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ4800 High-Performance Scalable Battery Storage System The Fox EQ4800 is a high-performance, modular battery storage solution designed for residential and commercial energy applications. Its scalable design allows maximum flexibility, enabling additional modules to increase storage capacity up to 41.94 kWh. Warranty Reminder: Register your installation with Fox online to activate the 12-year product warranty. Without registration, the standard warranty is 5 years. Fox EQ4800 4.66kWh – Stack of 5 (23.3kWh Useable Storage) This kit includes: 1 x Fox EQ4800 4.66kWh HV Battery (Master) – FE-HV-EQM-4800 4 x Fox EQ4800 4.66kWh HV Battery (Slave) – FE-HV-EQS-4800 Compatibility: EQ4800 modules are fully compatible with ECS-4800 batteries. Key Features Plug-and-Play Installation: Quick and easy setup Battery Capacity: 4.66 kWh per module Scalable Design: Expandable up to 41.94 kWh Depth of Discharge: 90% for maximum usable energy Wide Temperature Tolerance: Reliable in various climates Advanced Communication: CAN/RS485 connectivity for intelligent energy management High Voltage Operation: Supports faster charging and discharging Technical Specifications Weight: 208 kg Battery Type: Lithium-Ion (LiFePO4) Nominal Energy: 23,300 Wh Depth of Discharge: 90% Voltage: 224 V Continuous Discharge Rate (Normal Use): 2,240 W Maximum Discharge Rate (5 Minutes): 4,480 W Surge Discharge Rate (15 Seconds): 5,785 W Maximum Charge Rate (5 Minutes): 4,480 W Dimensions (W x H x D): 570 x 800 x 380 mm Installation Notes Minimum Modules Required: 2 (1 Master + 1 Slave) Maximum Stack: Up to 9 modules (1 Master + 8 Slaves) Compatibility: Ensure any added modules match your existing Energy Cube stack Professional Installation: Must be installed by a qualified electrician βœ… The Fox EQ4800 Stack of 5 is ideal for homeowners or businesses seeking a scalable, high-performance solar battery storage solution with reliable performance and expandability. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.
Fox EQ HV EQ4800-L6, 27.96kWh 1x Master 5x Slave Β£7,297.00 + VAT
Fox EQ HV EQ4800-L6, 27.96kWh 1x Master 5x Slave 2:Β  FE-HV-EQ-6-4.8-28.8 Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ Battery Storage – 27.96kWh (Stack of 6 with Master) The Fox EQ series is a high-performance, modular high-voltage battery storage system designed for scalability and flexibility. This system includes a master battery plus five slave batteries, delivering a total usable storage capacity of 27.96kWh. With a plug-and-play design, 90% depth of discharge, and wide operating temperature tolerance, the Fox EQ is suitable for a broad range of residential and commercial energy storage applications. Additional batteries can be added to expand the system up to 41.94kWh. ⚠️ Important: To activate the full 12-year warranty, all Fox installations must be registered online. Unregistered installs default to a 5-year warranty. What’s Included 1 x Fox EQ4800 4.66kWh HV Battery (Master) (FE-HV-EQM-4800) 5 x Fox EQ4800 4.66kWh HV Battery (Slave) (FE-HV-EQS-4800) βœ… Compatible with ECS-4800 batteries Key Features Plug-and-play installation – quick and easy setup 4.66kWh per module, scalable up to 41.94kWh 27.96kWh usable storage (with this stack of 6) 90% depth of discharge for maximum capacity use Wide temperature tolerance for reliable performance CAN/RS485 communication for system integration High-voltage design for efficiency and flexibility Technical Specifications General Weight: 249.5 kg Battery Type: Lithium-ion Nominal Energy: 27,960 Wh (27.96kWh) Depth of Discharge: 90% Dimensions: 570 x 938 x 380 mm (W x H x D) Electrical Performance Voltage: 268 V Continuous Discharge Rate (Normal Use): 2,240 W Maximum Discharge Rate (5 Minutes): 4,480 W Surge Discharge Rate (15 Seconds): 5,785 W Maximum Charge Rate (5 Minutes): 4,480 W Installation Notes Requires a minimum of 2 modules (1x Master + 1x Slave) to operate Supports up to 9 modules in a stack (1x Master + 8x Slaves) Must be installed by a qualified electrician If expanding an existing Energy Cube stack, ensure compatibility with original modules Why Choose the Fox EQ Battery System? Scalable energy storage to suit your needs Designed for long-lasting, efficient performance High voltage for improved round-trip efficiency Future-proof investment with up to 12 years warranty βœ… The Fox EQ Battery Storage System (27.96kWh) is a scalable, efficient, and reliable solution – perfect for maximising solar energy usage and reducing grid dependence. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.
Fox EQ HV EQ4800-L7, 32.61kWh 1x Master 6x Slave Β£8,547.00 + VAT
Fox EQ HV EQ4800-L7, 32.61kWh 1x Master 6x Slave 2:Β Β  FE-HV-EQ-7-4.8-33.6Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ 4.66kWh High-Performance Scalable Battery Storage – 32.61kWh Stack The Fox EQ Battery Storage System is a high-performance, modular energy storage solution designed for flexibility and scalability. Its modular design allows additional batteries to be added, reaching a maximum storage capacity of 41.94kWh, making it suitable for a wide range of residential and commercial applications. Important: To extend the standard 5-year warranty to a 12-year product warranty, you must register your installation with Fox online. Failure to register will result in the standard 5-year warranty.Β  Fox EQ 4.66kWh Battery Stack – Includes Master & Slave Modules This stack includes: 1 x Fox EQ4800, 4.66kWh HV Battery (Master) (FE-HV-EQM-4800) 6 x Fox EQ4800, 4.66kWh HV Battery (Slave) (FE-HV-EQS-4800) Compatibility: EQ4800 modules are compatible with ECS-4800 batteries. Key Features of the Fox EQ 4.66kWh Battery Plug-and-play installation for fast and simple setup 4.66kWh per module, scalable up to 41.94kWh High Depth of Discharge: 90% for maximum usable energy Wide temperature tolerance for reliable performance CAN/RS485 communication for smart system integration High-voltage design for efficient energy transfer Technical Specifications Specification Details Weight 291 kg Battery Type Lithium-ion Nominal Energy 32,610 Wh Depth of Discharge 90% Voltage 313 V Continuous Discharge Rate 2,240 W Maximum Discharge Rate (5 min) 4,480 W Surge Discharge Rate (15 sec) 5,785 W Maximum Charge Rate (5 min) 4,480 W Dimensions (W x H x D) 570 x 1,067 x 380 mm Installation Notes Minimum of 2 modules required (1 Master + 1 Slave) Can accommodate up to 9 modules in a stack (1 Master + 8 Slaves) When adding modules to an existing Energy Cube stack, ensure compatibility with existing battery modules Must be installed by a qualified electrician Why Choose the Fox EQ Battery Storage System? The Fox EQ 4.66kWh modular battery system is perfect for UK homes and businesses seeking reliable, scalable, and high-performance energy storage. With plug-and-play installation, advanced communication features, and the ability to expand capacity, it allows you to maximise solar self-consumption, optimise energy use, and ensure long-term operational reliability. Order now from ITS Technologies – your trusted UK supplier for solar PV, battery storage, and energy management solutions.
Fox EQ HV EQ4800-L8, 37.27kWh 1x Master 7x Slave Β£9,742.00 + VAT
Fox EQ HV EQ4800-L8, 37.27kWh 1x Master 7x Slave Β  2:Β  FE-HV-EQ-8-4.8-38.4 Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ 4.66kWh – Stack of 8 (37.27kWh Usable) with Master The Fox EQ high-performance battery storage system is a modular, scalable solution designed for both residential and commercial energy storage. With its plug-and-play design, wide operating temperature tolerance, and advanced CAN/RS485 communication, the EQ series ensures reliability, flexibility, and ease of installation. This system includes one Master EQ4800 battery and seven Slave EQ4800 batteries, providing a total usable capacity of 37.27kWh. The EQ range is fully compatible with ECS-4800 batteries, giving installers and homeowners future-proof flexibility. ⚠️ Important: All Fox installations must be registered online to receive the 12-year warranty. Without registration, the standard warranty is 5 years. Key Features High Capacity: 4.66kWh per module, scalable up to 41.94kWh (9 modules per stack). Reliable Performance: 90% depth of discharge and wide temperature tolerance. Plug & Play: Quick, simple, and efficient installation. Communication: CAN/RS485 for seamless system integration. High Voltage Design: Ideal for larger systems and demanding applications. Future-Ready: Compatible with ECS-4800 batteries. Specifications Battery Type: Lithium-Ion Nominal Energy: 37,270 Wh Usable Energy (DoD 90%): 37.27kWh Voltage: 583 V Continuous Discharge Power: 2,240 W Max Discharge (5 min): 4,480 W Surge Discharge (15s): 5,785 W Max Charge Rate (5 min): 4,480 W Dimensions (W x H x D): 570 x 1241 x 380 mm Weight: 332.5 kg Warranty: 12 years (with registration), 5 years otherwise Installation Notes A minimum of 2 modules (1 Master + 1 Slave) is required for operation. Up to 9 modules can be stacked (1 Master + 8 Slaves). If adding modules to an existing stack, ensure compatibility with original units. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.
Fox EQ HV EQ4800-L9, 41.93kWh 1x Master 8x Slave Β£10,937.00 + VAT
Fox EQ HV EQ4800-L9, 41.93kWh 1x Master 8x Slave 2:Β  FE-HV-EQ-9-4.8-43.2 Β Storage Systems - Li-ion Battery Pack Fox EQ4800-Datasheet Fox EQ4800 Manual Fox Product Compatibility Fox EQ4800 Warranty Fox EQ 4.66kWh High Voltage Battery – Scalable Modular Energy Storage The Fox EQ High Voltage Battery is a high-performance, modular energy storage system designed for maximum flexibility. Ideal for residential or commercial solar setups, it allows you to expand your storage as your energy needs grow, with a maximum capacity of 41.94kWh when stacked. Important: To activate the 12-year product warranty, your installation must be registered online with Fox. Otherwise, the standard warranty is 5 years. This Kit Includes 1 x Fox EQ4800 4.66kWh HV Battery (Master) – FE-HV-EQM-4800 8 x Fox EQ4800 4.66kWh HV Battery (Slave) – FE-HV-EQS-4800 Compatible with ECS-4800 batteries Minimum of 2 modules (1 Master + 1 Slave) required.Maximum of 9 modules in a stack (1 Master + 8 Slaves). Key Features Plug & Play Installation: Quick and simple setup for minimal downtime. Modular & Scalable: Expandable to a maximum of 41.94kWh. High Usable Capacity: 4.66kWh per module with 90% Depth of Discharge. Wide Temperature Tolerance: Operates efficiently across a broad range of conditions. Smart Communication: CAN/RS485 enabled for seamless integration with your system. High Voltage Design: Optimised for maximum efficiency and system performance. Specifications Specification Value Weight 374 kg Battery Type Lithium Ion Nominal Energy 41,930 Wh Depth of Discharge 90% Voltage 403 V Continuous Discharge Rate 2,240 W Maximum Discharge Rate (5 min) 4,480 W Surge Discharge Rate (15 sec) 5,785 W Maximum Charge Rate (5 min) 4,480 W Dimensions (W x H x D) 570 x 1,352 x 380 mm Why Choose Fox EQ? The Fox EQ Battery System is perfect for homeowners and businesses seeking flexible, high-capacity, and reliable energy storage. Its modular design allows you to scale up as your energy requirements grow, while its high voltage architecture ensures maximum efficiency and long-term performance. Please note: In order to increase the product warranty from 5 to 12 years you must register your install with Fox online to activate the 12 year warranty, otherwise it's 5 years as standard. Please click here for registration page. You can review the warranty document for more information.

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