Fox ESS 2.0kW S Series 1PH Single Tracker PV Inverter | 10yr Warranty
£211.00 + VAT
Fox ESS 2.0kW S Series 1PH Single Tracker PV solar Inverter
#2: FE-S2000 Inverters - Main Units
Fox S Series 2.0kW Datasheet
Fox S Series 2.0kW Manual
Fox S Series 2.0kW Installation Guide
Fox S Series 2.0kW Warranty Policy
Fox ESS S Series Single Phase Solar Inverter – 2kW, Single MPPT
Part No: [Insert Part No] | Category: Solar Inverters
🌞 Compact & Efficient Solar Inverter for Maximum Energy Harvest
The Fox ESS S Series 2kW Single Phase Inverter is designed for small to medium solar PV systems, delivering high efficiency, simple installation, and reliable performance. With its ultra-low start-up voltage (60V), the S Series ensures you generate maximum energy even in low-light conditions.
Compact and lightweight at just 5.4kg, this inverter is IP65-rated for outdoor use, offers remote monitoring via the FoxESS Cloud and smartphone app, and is fully G100 approved for the UK market.
⚡ Key Features
✔️ High efficiency – up to 97.4%
✔️ Ultra-low 60V start-up voltage for better low-light performance
✔️ Remote monitoring via smartphone app & FoxESS Cloud
✔️ Compact & lightweight – easy to handle and install
✔️ IP65-rated enclosure – weatherproof and durable
✔️ Flexible expansion – compatible with Fox battery storage
✔️ G100 approved for UK installations
📦 Technical Specifications
Weight: 5.4 kg
Rated Power: 2,000 W
MPPT Quantity: 1 (Single MPPT)
Min PPT Voltage: 60 V
Max PPT Voltage: 500 V
DC Startup Voltage: 60 V
DC Shutdown Voltage: 500 V
Max Input Voltage: 500 V
Max DC Power: 3,000 W
Max AC Power (5 Minutes): 2,000 W
Surge AC Power (1 Second): 2,200 W
Max DC Current: 14 A
Max DC Inputs: 1
DC Fuses: 1
Connector Type: MC4 (1 included)
Euro Efficiency: 96.8%
Integrated DC Switch: Yes
Warranty: 5 years
✅ Why Choose the Fox ESS S Series?
Ideal for smaller residential PV systems (0.7–3.0kW models available)
Delivers maximum energy harvest with ultra-low voltage start-up
Backed by Fox ESS reliability & support
Future-ready – simple expansion with Fox battery storage
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.
Fox ESS 2.5kW S Series 1PH Single Tracker PV Inverter | 10yr Warranty
£214.00 + VAT
Fox ESS 2.5kW S Series 1PH Single Tracker PV Inverter
#2: FE-S2500 Inverters - Main Units
Fox S Series 2.5kW Datasheet
Fox S Series 2.5kW Manual
Fox S Series 2.5kW Installation Guide
Fox S Series 2.5kW Warranty Policy
Fox ESS's range of single MPPT single- phase inverters are small, compact and have an ultra-low start-up voltage that will ensure you harvest the most energy possible from your solar panels. The S Series range includes 0.7 - 3.0kW models.
Features:
Easy to install
IP65 Rated
Remote Monitoring with via smartphone app or FoxESS Cloud
Easy to expand battery capacity
High efficiency of 97.4%
Specs:
Weight: 5,4 kgRated Power: 2,500 WMin PPT Voltage: 60 VMax PPT Voltage: 500 VDC Startup Voltage: 60 VDC Shutdown Voltage: 500 VMax Input Voltage: 500 VMax DC Power: 3,750 WMax AC Power (5 Minutes): 2,500 WSurge AC Power (1 Second): 2,750 WMax DC Current: 14 AMax DC Inputs: 1Has DC Fuses: 1Connector: MC4 Included Connectors: 1Euro Efficiency: 96.8 %Transformer: N/AMPPT Quantity: 1Has Integrated DC Switch: YesWarranty: 5 years
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.
Fox ESS 25.0kW T Series 3PH Dual Tracker PV Inverter | 10yr Warranty
£967.00 + VAT
Fox ESS 25.0kW T Series 3PH Dual Tracker PV Inverter
#2: FE-T-25.0 Inverters - Main Units
Fox T Series 25.0kW Datasheet
Fox T Series 25.0kW Installation Manual
Fox T Series 25.0kW User Manual
Fox T Series 25.0kW Warranty
Fox T Series 25.0kW G99 Certificate
Fox Battery Sizing Guide
FoxESS T Series – 3-Phase Hybrid Inverter (25 kW)
The FoxESS T Series range is ideal for 3-phase residential homes and small-scale commercial installations. Featuring dual MPPT technology, this inverter supports systems from 6.0 kW up to 25.0 kW, delivering high efficiency, reliability, and flexible energy management.
Features
Easy Plug & Play Installation – Quick and simple setup.
IP65 Rated – Suitable for indoor and outdoor environments.
Remote Monitoring – Monitor system performance via the FoxESS Cloud.
High Efficiency – Round-trip efficiency up to 98.6%.
Technical Specifications
Weight: 21 kg
Rated Power: 25,000 W
Min MPPT Voltage: 140 V
Max MPPT Voltage: 1,100 V
DC Startup Voltage: 140 V
DC Shutdown Voltage: 1,100 V
Max Input Voltage: 1,100 V
Max DC Power: 37,500 W
Max AC Power (5 Minutes): 25,000 W
Surge AC Power (1 Second): 27,500 W
Max DC Current: 28 A
Max DC Inputs: 4
DC Fuses: 4
Connector Type: MC4
Included Connectors: 4
Euro Efficiency: 97.8%
Transformer: None
MPPT Quantity: 2
Integrated DC Switch: Yes
Warranty: 5 years
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.
Fox ESS 3.0kW S Series 1PH Single Tracker PV Inverter | 10yr Warranty
£249.00 + VAT
Fox ESS 3.0kW S Series 1PH Single Tracker PV Inverter
#2: FE-S3000 Inverters - Main Units
Fox S Series 3.0kW Datasheet
Fox S Series 3.0kW Manual
Fox S Series 3.0 Installation Guide
Fox S Series 3.0kW Warranty Policy
Fox ESS S Series Single-Phase Inverter – Compact & Efficient Solar Solution
The Fox ESS S Series Single-Phase Inverter is designed to deliver high efficiency and maximum energy harvest from your solar panels. Compact and lightweight, these inverters are ideal for residential solar systems, offering an ultra-low start-up voltage to capture even minimal solar energy.
Available in models ranging from 0.7kW to 3.0kW, the S Series combines ease of installation, remote monitoring, and expandable battery options for a flexible and future-proof solar setup.
Key Features & Benefits
✔ High Efficiency & Energy Harvesting
Efficiency up to 97.4% for optimal power conversion.
Ultra-low start-up voltage ensures maximum energy capture, even in low-light conditions.
Supports expansion of battery capacity for scalable energy storage.
✔ Easy Installation & Connectivity
Lightweight and compact design for simple installation.
IP65 rated for indoor or outdoor use, resistant to dust and water.
Remote monitoring via smartphone app or FoxESS Cloud for system oversight anywhere.
✔ Safety & Reliability
Integrated DC switch and DC fuse for secure operation.
High-quality MC4 connectors included for reliable connections.
Technical Specifications
Rated Power: 3,000 W
Weight: 5.4 kg
Min MPPT Voltage: 60 V
Max MPPT Voltage: 500 V
DC Startup Voltage: 60 V
DC Shutdown Voltage: 500 V
Max Input Voltage: 500 V
Max DC Power: 1,500 W
Max AC Power (5 min): 3,000 W
Surge AC Power (1 sec): 3,300 W
Max DC Current: 14 A
Max DC Inputs: 1
DC Fuses: 1
Connector Type: MC4
Included Connectors: 1
Euro Efficiency: 96.8%
Transformer: None
MPPT Quantity: 1
Warranty: 5 years
Why Choose Fox ESS S Series Inverters?
Compact and lightweight – easy to install in residential settings.
High-efficiency power conversion for maximum energy savings.
Remote monitoring and scalable storage for flexible system management.
IP65 rating ensures durability in challenging environments.
⚡ Maximise your solar energy potential with the Fox ESS S Series Single-Phase Inverter – a compact, efficient, and reliable solution for modern residential solar systems.
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.
Fox ESS 3.6kW F Series (G3) Dual Tracker PV Inverter | 10yr Warranty
£352.00 + VAT
Fox ESS 3.6kW F Series (G3) 1PH Dual Tracker PV Inverter
#2 FE-F3600-G3
FE-F3600-G3 Datasheet
FE-F3600 User Manual
The FOX ESS F3600 G3 PV Inverter is a high-efficiency, single-phase solar inverter designed for residential and small commercial solar PV systems. With a rated output of 3,600W, it offers an excellent balance of performance, reliability, and future-proof energy storage compatibility.
Part of the advanced Fox ESS F Series (3.0–6.0kW), the F3600 G3 features dual MPPT tracking, IP65 protection, and smart monitoring, making it ideal for modern UK solar installations.
Key Performance Features
High Efficiency Energy Conversion
With up to 97.4% maximum efficiency and 96.8% Euro efficiency, the F3600 G3 ensures minimal energy loss and optimal power generation throughout the day, even in variable UK weather conditions.
Dual MPPT for Greater Flexibility
Equipped with two independent MPPT trackers, this inverter allows different roof orientations or partial shading to be managed efficiently, increasing total system yield and design flexibility.
Battery Ready for Future Expansion
The inverter is battery ready, allowing easy integration with Fox ESS energy storage systems when paired with a compatible charge controller, protecting your investment as your energy needs evolve.
Installation & Build Quality
Fast and Simple Installation
Designed with a plug-and-play configuration, the F3600 G3 enables quick setup and commissioning, reducing installation time and labour costs.
IP65 Outdoor Rated Protection
With its IP65-rated enclosure, the inverter is fully protected against dust and water, making it suitable for outdoor installation across the UK’s varied climate.
Smart Monitoring & Control
Remote System Access
Track your solar performance anytime via smartphone app or web portal. Monitor real-time production, system health, and historical data for complete control and peace of mind.
Technical Specifications
Electrical Ratings
Rated Power: 3,600 W
Max DC Power: 3,900 W
Max AC Power (5 min): 3,000 W
Surge AC Power (1 sec): 3,300 W
Max Input Voltage: 600 V
DC Startup Voltage: 120 V
DC Shutdown Voltage: 601 V
MPPT Voltage Range: 120 – 600 V
Max DC Current: 25 A
System Configuration
Phases: Single Phase
MPPT Quantity: 2
Max DC Inputs: 2
Has Integrated DC Switch: Yes
DC Fuses: No
Connector Type: MC4
Included Connectors: 2
Transformer: None
Efficiency & Physical Details
Maximum Efficiency: 97.4%
Euro Efficiency: 96.8%
Weight: 9.5 kg
Warranty: 5 Years
Why Choose the FOX ESS F3600 G3?
✔ Ideal for medium-sized residential solar systems✔ Dual MPPT for higher energy yield✔ Battery-ready for future storage upgrades✔ Compact, lightweight and easy to install✔ IP65 rated for outdoor durability✔ Smart monitoring via app and web
Fox ESS 3kW F Series (G3) Dual Tracker PV Inverter | 10yr Warranty
£293.00 + VAT
Fox ESS 3kW F Series (G3) 1PH Dual Tracker PV Inverter
#2 FE-F3000-G3
FE-F3000-G3 Datasheet
FE-F3000 User Manual
The FOX ESS F3000 G3 PV Inverter is a high-performance, single-phase solar inverter designed for residential and small commercial solar systems. With a rated output of 3,000W, dual MPPT tracking and battery-ready capability, it offers excellent flexibility, efficiency, and long-term reliability for modern solar installations.
Part of the Fox ESS F Series range (3.0–6.0kW), this inverter is engineered for easy upgrades and seamless integration with energy storage when paired with a Fox ESS charge controller.
Key Performance Features
High Efficiency & Power Optimisation
The F3000 G3 delivers up to 97.4% maximum efficiency, ensuring you extract the most energy possible from your PV system.With a low start-up voltage and a wide MPPT voltage range, it performs exceptionally well even in low-light UK conditions.
Dual MPPT for Greater Yield
Featuring two independent MPPT trackers, this inverter allows multiple roof orientations or shading zones to operate efficiently, improving overall system yield and design flexibility.
Battery Ready for Future Expansion
Designed to be storage-ready, the F3000 G3 allows easy future upgrades to battery systems without replacing the inverter – making it a future-proof investment.
Installation & Durability
Fast and Simple Installation
The plug-and-play design enables quick installation and commissioning, reducing labour time and project costs.
IP65 Outdoor Rated
With a robust IP65-rated enclosure, the inverter is suitable for outdoor installation, offering protection against dust, rain, and harsh environmental conditions common across the UK.
Smart Monitoring & Control
Remote System Monitoring
Monitor your solar performance anytime via smartphone app or web portal. View energy production, system health, and performance trends in real time for complete peace of mind.
Technical Specifications
Electrical Ratings
Rated Power: 3,000 W
Max AC Power (5 min): 3,000 W
Surge AC Power (1 sec): 3,300 W
Max DC Power: 3,900 W
Max Input Voltage: 600 V
DC Startup Voltage: 120 V
DC Shutdown Voltage: 601 V
MPPT Voltage Range: 120 – 600 V
Max DC Current: 25 A
System Configuration
Phases: Single Phase
MPPT Quantity: 2
Max DC Inputs: 2
Has Integrated DC Switch: Yes
DC Fuses: No
Connector Type: MC4
Included Connectors: 2
Transformer: None
Efficiency & Build
Maximum Efficiency: 97.4%
Euro Efficiency: 96.8%
Weight: 9.5 kg
Warranty: 5 Years
Why Choose the FOX ESS F3000 G3?
✔ Optimised for UK solar conditions✔ Battery-ready for future storage integration✔ Compact, lightweight and easy to install✔ Dual MPPT for higher energy yield✔ IP65 rated for outdoor durability✔ Smart monitoring included
Fox ESS 5kw AC charger | 10.4kWh HV2600 batteries | NE7 7AR
Fox ESS 5kW AC Battery Installation – Newcastle upon Tyne
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
This installation demonstrates a residential battery storage solution in Newcastle upon Tyne, designed to maximise energy savings by charging from cheap night-time electricity rates.
Installation Overview
The system features a Fox ES 5kW AC charger combined with four 2.6kWh Fox HV2600 batteries, delivering efficient energy storage and reliable performance for everyday household use.
System Specifications
AC Charger: Fox ES 5kW
Battery Storage: 4 x 2.6kWh Fox HV2600 batteries
This example highlights ITS Technologies’ expertise in providing tailored, cost-effective battery storage solutions for homeowners looking to reduce electricity costs and increase energy self-sufficiency.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS 5kw AC charger | 11.52kWh Cube batteries | CB25 0NF
Fox ESS Battery Storage Installation – Cambridge
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Installation Overview
Our customer in Cambridge required a Fox ESS battery system to charge from cheap night-time electricity and efficiently power an air source heat pump. This setup ensures optimal energy use while reducing reliance on the grid.
System Specifications
AC Charger: Fox ES 5kW
Battery Storage: 11.52kWh Fox Cube batteries
This installation highlights a reliable and cost-efficient solution for residential energy storage and smart home energy management.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS 5kw AC charger | 18.2kWh HV2600 batteries | SM1 3PT
Fox ESS 5kW AC Battery Installation – Sutton
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Installation Overview
Our customer in Sutton required an efficient Fox ESS battery system to store energy from the grid during cheap night-time electricity periods. This setup provides reliable energy backup and reduces daytime grid dependency.
System Specifications
AC Charger: Fox ES 5kW
Battery Storage: 7 x 2.6kWh Fox HV2600 batteries
This installation demonstrates scalable home energy storage solutions for optimal cost savings and energy management.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS 5kw AC charger | 7.8kWh HV2600 batteries | ST7 2ZH
Fox ESS AC Battery Installation – Stoke-on-Trent
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
This installation demonstrates a residential battery storage solution in Stoke-on-Trent, designed to take advantage of cheap night-time electricity rates while improving energy efficiency and home energy management.
Installation Overview
The system features a Fox ES 5kW AC charger paired with multiple Fox HV2600 batteries, providing flexible and reliable battery storage for daily energy use.
System Specifications
AC Charger: Fox ES 5kW
Battery Storage: 3 x 2.6kWh Fox HV2600 batteries
This project highlights ITS Technologies’ ability to deliver high-quality, scalable, and cost-effective energy storage solutions tailored to customer requirements.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS 5kW AC | 2 X 5.18kWh EP5 battery | FY4 5RD
Example Installation – Fox AC Coupled Battery Storage System in Blackpool
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
This installation showcases a Fox AC coupled battery storage system with 2 x EP5 5.12kWh batteries, designed to charge directly from the grid. By pairing with Octopus cheap night-time electricity, our customer is projected to save around £689 per year, achieving a payback in just over 6 years.
Why Choose a Fox ESS Battery Storage System?
Fox ESS systems are engineered for efficiency, reliability, and long lifespan. They allow homeowners to take advantage of off-peak energy tariffs, reduce reliance on the grid, and lower household electricity bills.
System Specification
Inverter: Fox ES 5kW AC Coupled
Battery Storage: 2 x FOX ESS EP5 (5.12kWh each)
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 5kW F Series 1PH Dual Tracker PV Inverter | 10yr Warranty
£354.00 + VAT
Fox ESS 5kW F Series 1PH Dual Tracker PV Inverter
#2 FE-F5000
FE-F5kW Datasheet
FE-F5kW User Manual
FE-F5kW Installation Guide
FE-F5kW G99 Certification
Fox ESS F Series Dual-MPPT Solar Inverter – 5kW
Part No: [Insert Part No] | Category: Solar Inverters
⚡ High-Performance 5kW Solar Inverter with Dual-MPPT
The Fox ESS F Series 5kW Inverter is a compact, high-performance solution designed to maximise your solar energy output. With dual-MPPT tracking, an IP65 weatherproof rating, and seamless battery compatibility, this inverter is built for both performance and durability.
Featuring an ultra-low start-up voltage of 120V, the F Series ensures maximum energy harvest even in low-light conditions. It is also smart-enabled, allowing you to monitor and control your solar system remotely via the FoxESS smartphone app or web portal.
🌞 Key Features
✔️ High efficiency – up to 97.4%
✔️ Dual-MPPT design for optimised energy harvest
✔️ Ultra-low start-up voltage (120V)
✔️ Plug & Play installation – flexible configuration
✔️ IP65-rated enclosure – safe for outdoor use
✔️ Remote monitoring via FoxESS Cloud & smartphone app
✔️ Compatible with Fox battery storage (with Fox charge controller)
✔️ Future-proof upgrade path to hybrid systems
⚠️ Collections are not permitted due to health & safety regulations.
📦 Technical Specifications
Weight: 15.5 kg
Rated Power: 5,000 W
MPPT Quantity: 2 (Dual MPPT)
Min PPT Voltage: 120 V
Max PPT Voltage: 600 V
DC Startup Voltage: 120 V
DC Shutdown Voltage: 601 V
Max Input Voltage: 600 V
Max DC Power: 7,500 W
Max AC Power (5 Minutes): 5,000 W
Surge AC Power (1 Second): 0 W
Max DC Current: 25 A
Max DC Inputs: 2
DC Fuses: 0
Connector Type: MC4
Included Connectors: 0
Euro Efficiency: 96.8%
Transformer: HF
Integrated DC Switch: Yes
Standard Warranty: 5 years (extendable to 10 years upon online registration)
✅ Why Choose the Fox ESS F Series 5kW?
Ideal for residential solar PV systems
Dual-MPPT design reduces mismatch losses
Durable IP65 build for long-term outdoor installation
Remote monitoring for peace of mind and control
Backed by Fox ESS quality and extended warranty
Fox ESS 5kW Hybrid | 2 X 10.36kWh EP11 batteries | KY11 8HX
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Fox ESS Battery Storage System with EP11 Batteries – Smart Grid Charging Solution
Unlock huge savings on your energy bills with the Fox ESS 5kW Hybrid Inverter and EP11 Battery Storage System. Perfect for homeowners looking to take advantage of Octopus cheap night-time electricity tariffs, this system allows you to store low-cost energy and use it throughout the day. Customers in Dunfermline are projected to save around £1,800 per year, achieving a payback period of under 4 years.
Why Choose Fox ESS EP11 Battery Storage?
High capacity storage with 2 x 10.36kWh EP11 batteries (20.72kWh total)
Charge directly from the grid to maximise savings on off-peak tariffs
Seamless integration with solar panels for maximum efficiency
Long lifespan with advanced LiFePO4 battery technology
Designed for safety, reliability, and future-proof energy storage
System Specification
Inverter: Fox ESS 5kW Hybrid
Batteries: 2 x Fox ESS EP11 10.36kWh (total 20.48kWh storage)
This complete battery storage package is ideal for reducing grid reliance, cutting energy costs, and making your home more sustainable.
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 5kw Hybrid | 5.18kWh EP5 battery | KY15 4UA
Solar and Battery Storage System – Fox ESS 5kW Hybrid with 5.12kWh Battery
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
This example installation showcases a residential battery storage system in Cupar, designed to optimise energy usage and reduce electricity costs by charging from cheap night-time grid rates.
Installation Overview
The customer installed a Fox ES 5kW hybrid inverter paired with a 5.12kWh FOX ESS EP5 battery, providing efficient energy storage and smart power management for their home.
System Specifications
Inverter: Fox ES 5kW Hybrid
Battery: FOX ESS EP5 5.12kWh
Key Benefits:
Efficient charging from grid during off-peak hours
Reduced reliance on daytime grid electricity
Scalable for future battery expansion
This setup demonstrates how a Fox ESS hybrid system can maximise energy efficiency and support sustainable home energy management.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS 6kW Hybrid | 10.36kWh EP11 batteries | NP12 0EP
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Fox ESS Hybrid Battery Storage – EP11 10.36kWh System
Our customer in Blackwood is projected to save around £840 per year, achieving a payback period of just under 5½ years by charging their battery from Octopus Agile cheap night-time electricity tariffs. This showcases how Fox ESS battery storage systems can help UK homeowners maximise savings and energy efficiency.
This system in Oakdale combines a high-performance hybrid inverter with a large capacity EP11 battery, providing reliable, scalable energy storage for your home.
System Specifications
Hybrid Inverter: Fox ES 6kW – supports solar and grid charging
Battery Storage: FOX ESS EP11 10.36kWh – scalable, high-efficiency lithium battery
Key Benefits
Maximise Savings: Charge from low-cost electricity tariffs to reduce energy bills
Fast Payback: Example system demonstrates a payback period of under 5½ years
High Capacity Storage: 10.36kWh EP11 battery for reliable home backup
Smart Energy Management: Optimises charging and discharging for cost efficiency
Scalable System: Add additional batteries in the future as energy needs grow
Ideal for UK Homes: Suitable for residential properties across the UK
Why Choose Fox ESS
Efficient Hybrid Inverter: Charges from solar and grid seamlessly
Reliable Backup Power: Keeps essential home loads running during outages
Future-Proof Design: Expandable storage and compatibility with smart tariffs like Octopus Agile
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 6kW Hybrid | 10.36kWh EP11 batteries | SL3 7TU
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Fox ESS Hybrid Battery Storage – EP11 10.36kWh System
Our customer in Slough is projected to save around £840 per year, achieving a payback period of just under 5½ years by charging their battery from Octopus Agile cheap night-time electricity tariffs. This showcases how Fox ESS battery storage systems can help UK homeowners maximise savings and energy efficiency.
This system in Walton on Thames combines a high-performance hybrid inverter with a large capacity EP11 battery, providing reliable, scalable energy storage for your home.
System Specifications
Hybrid Inverter: Fox ES 6kW – supports solar and grid charging
Battery Storage: FOX ESS EP11 10.36kWh – scalable, high-efficiency lithium battery
Key Benefits
Maximise Savings: Charge from low-cost electricity tariffs to reduce energy bills
Fast Payback: Example system demonstrates a payback period of under 5½ years
High Capacity Storage: 10.24kWh EP11 battery for reliable home backup
Smart Energy Management: Optimises charging and discharging for cost efficiency
Scalable System: Add additional batteries in the future as energy needs grow
Ideal for UK Homes: Suitable for residential properties across the UK
Why Choose Fox ESS
Efficient Hybrid Inverter: Charges from solar and grid seamlessly
Reliable Backup Power: Keeps essential home loads running during outages
Future-Proof Design: Expandable storage and compatibility with smart tariffs like Octopus Agile
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 6kW Hybrid | 2 X 10.36kWh EP11 batteries | M34 2WA
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Fox ESS Battery Storage System with EP11 Batteries – Smart Grid Charging Solution
Unlock huge savings on your energy bills with the Fox ESS 6kW Hybrid Inverter and EP11 Battery Storage System. Perfect for homeowners looking to take advantage of Octopus cheap night-time electricity tariffs.
This system allows you to store low-cost energy and use it throughout the day. Our customer in Denton is projected to save around £1,800 per year, achieving a payback period of under 4 years.
Why Choose Fox ESS EP11 Battery Storage?
High capacity storage with 2 x 10.36kWh EP11 batteries (20.72kWh total)
Charge directly from the grid to maximise savings on off-peak tariffs
Seamless integration with solar panels for maximum efficiency
Long lifespan with advanced LiFePO4 battery technology
Designed for safety, reliability, and future-proof energy storage
System Specification
Inverter: Fox ESS 6kW Hybrid
Batteries: 2 x Fox ESS EP11 10.36kWh (total 20.72kWh storage)
This complete battery storage package is ideal for reducing grid reliance, cutting energy costs, and making your home more sustainable.
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 6kW Hybrid | 3 X 11.52kWh EP12 batteries | Kettering
Fox ESS Battery Storage System Installation in Kettering
Important Notice
(This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Overview of the Installation
This advanced battery storage system installation in Hersham demonstrates how homeowners can maximize energy efficiency and save on electricity costs. The system offers projected annual savings of approximately £2,800, delivering a payback period of just 4 years by charging from Octopus Energy’s cheap night-time electricity rates.
Key Benefits
Reduce energy bills by storing cheap electricity overnight
Maximize return on investment with a short payback period
Support renewable energy usage and lower your carbon footprint
System Specifications
Hybrid Inverter
Fox ESS 6kW Hybrid Inverter – Efficient power conversion and smart energy management
Battery Storage
3 x FOX ESS EP12 11.52kWh Lithium Batteries – High-capacity storage for reliable energy availability
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 7kW Hybrid | 3 X 10.36kWh EP11 batteries | KT12 4AS
Battery Storage System Installation in Hersham
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Overview of the Installation
This advanced battery storage system installation in Hersham demonstrates how homeowners can maximize energy efficiency and save on electricity costs. The system offers projected annual savings of approximately £2,500, delivering a payback period of just 3.5 years by charging from Octopus Energy’s cheap night-time electricity rates.
Key Benefits
Reduce energy bills by storing cheap electricity overnight
Maximize return on investment with a short payback period
Support renewable energy usage and lower your carbon footprint
System Specifications
Hybrid Inverter
Fox ESS 7kW Hybrid Inverter – Efficient power conversion and smart energy management
Battery Storage
3 x FOX ESS EP11 10.36kWh Lithium Batteries – High-capacity storage for reliable energy availability
Looking to save money on your energy bills? Visit ITS Technologies to explore a wide range of installed battery storage packages or email us at support@itstechnologies.uk for expert advice and bespoke quotes.
Fox ESS 8.0kW T Series 3PH Dual Tracker PV Inverter | 10yr Warranty
£606.00 + VAT
Fox ESS 8.0kW T Series 3PH Dual Tracker PV Inverter
#2: FE-T-8.0 Inverters - Main Units
Fox T Series 8.0kW Datasheet
Fox T Series 8.0kW Install Guide
Fox T Series 8.0kW Warranty
Fox T Series 8.0kW G98 Certificate
The FoxESS T Series range is ideal for 3-phase residential homes and small scale commercial installations. The T Series dual MMPT ranges from 6.0 - 25.0kW.
Features:
Easy plug and play Install
IP65 Rated
Remote monitoring with FoxESS Cloud
High round-trip efficiency of 98.6%
Specs:
Weight: 17 kgRated Power: 8,000 WMin PPT Voltage: 140 VMax PPT Voltage: 1,100 VDC Startup Voltage: 140 VDC Shutdown Voltage: 1,100 VMax Input Voltage: 1,100 VMax DC Power: 12,000 WMax AC Power (5 Minutes): 8,000 WSurge AC Power (1 Second): 8,000 WMax DC Current: 14 AMax DC Inputs: 2Has DC Fuses: 2Connector: MC4 Included Connectors: 2Euro Efficiency: 97.8 %Transformer: N/AMPPT Quantity: 2Has Integrated DC Switch: YesWarranty: 5 years
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.
Fox ESS AC 5.0kW charger | 12.4kWh Cube batteries | BR7 5DP
Fox ESS 5kW AC Charger with 12.44kWh Cube Batteries – Kent Installation
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
This installation showcases a professional residential solar and battery storage system in Kent, designed to maximise energy efficiency and provide reliable backup power.
Installation Overview
Our customer opted for a Fox ESS 5kW AC charger paired with 12.44kWh of Cube batteries, providing robust energy storage to reduce reliance on the grid and optimise electricity usage.
System Specifications
Inverter: Fox ESS 5kW AC charger
Battery Storage: 12.44kWh Cube batteries
Key Benefits: Efficient power storage, enhanced energy independence, scalable for future upgrades
This example highlights how a Fox ESS AC coupled system can deliver dependable energy storage for residential properties, helping to reduce electricity costs and increase self-consumption.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS AC 5.0kW charger | 14.4kWh Cube batteries | RG18 4BW
Fox ESS Battery Upgrade – Thatcham
Important Notice
(This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Project Overview
Our customer in Thatcham had an existing SolaX battery system with a limited 3.3kWh capacity that could not be expanded. To meet their energy needs, they upgraded to a Fox ESS 5kW AC coupled system paired with 14.4kWh Cube batteries, providing significantly more storage for daytime use and grid optimisation.
System Specifications
AC Charger: Fox ESS 5kW
Battery Storage: 14.4kWh Cube batteries
This installation highlights a high-capacity, expandable battery solution, perfect for maximising self-consumption and reducing reliance on the grid.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS AC 5.0kW charger | 8.64kWh Cube batteries | LS17 8RQ
Fox ESS AC 5.0kW Charger with 8.64kWh Cube Batteries
Important Notice
This is an example of one of our installations. This system is not available for free, so please do not purchase.) For a bespoke Solar PV quote, please complete of quote form here. Or for a battery only system you can view our range of packages here.
Optimise your home energy management with this Fox ESS AC 5kW charger installation in Leeds, paired with 8.64kWh Cube batteries. Designed for residential use, this system demonstrates efficient solar energy storage and seamless integration with existing solar setups.
Installation Overview
This example system combines the Fox ESS 5kW AC charger with high-performance Cube batteries, enabling reliable power storage, improved self-consumption, and reduced reliance on the grid.
System Specifications
Charger: Fox ESS 5kW AC
Battery Storage: 8.64kWh Cube batteries
Application: Residential solar energy management
Key Benefits: Efficient energy storage, seamless operation, enhanced home power management
This installation highlights how a compact and powerful AC-coupled battery storage system can deliver cost savings, energy independence, and reliable backup power for residential properties.
For advice or a bespoke solar and battery storage quote, complete our quote form or email support@itstechnologies.uk.
Fox ESS AI Link - EMS Box for 3PH System
£488.00 + VAT
Fox ESS AI Link - EMS Box for 3PH System
#2: FE-AI-LINK
Fox ESS AI Link Datasheet
Fox ESS AI User Manual
Fox Battery Sizing Guide
Fox Smart Logger Communication Box Datasheet
Fox ESS AI Link – EMS Box
The Fox ESS AI Link EMS Box enables the parallel connection of multiple Fox ESS units on a single site, providing scalable energy storage and management for both residential and commercial applications. Designed for reliability and compatibility, it ensures your system operates safely and efficiently.
Key Features
Parallel Functionality: Connect multiple Fox ESS units for expanded capacity
IP65 Rated: Fully protected against dust and water for outdoor or indoor installation
Wide Operating Temperature: Reliable performance in a variety of environmental conditions
Highly Compatible: Works seamlessly with Fox ESS systems
Lightweight and Compact: Weighs only 2.5 kg, dimensions 260 x 192 x 88 mm
Benefits
Scalable Energy Storage: Easily expand your system as your energy needs grow
Safe and Reliable: Built for long-term, worry-free operation
Flexible Installation: Compact size and rugged design make it simple to integrate
This Fox ESS AI Link EMS Box is the perfect accessory for maximizing your Fox ESS system’s potential, offering flexibility, safety, and scalability.
Fox ESS Cube ECS2900 2.88kWh V2 HV Battery (Master) Type B
£788.00 + VAT
Fox ECS2900 2.88kWh HV Battery (Master)
#1: FE-HV-ECM-2900
Fox ECS2900 Datasheet
Fox ECS2900 Manual
Fox ECS2900 Warranty
*Cube batteries from ITS are V2 with B connector, if purchasing to add to an existing system please check if you have V2 with B connector batteries on your existing system.
Fox ECS 2.88kWh HV Battery – High-Performance Modular Storage
The Fox ECS Battery is a high-performance, scalable high-voltage (HV) battery storage system, compatible exclusively with Fox HV chargers. Designed with a modular approach, it provides maximum flexibility, making it ideal for residential and commercial energy storage applications. Expand your system with additional batteries to achieve up to 20.16 kWh of storage.
Key Features
2.88kWh Capacity – compact yet powerful
Scalable to 20.16kWh – add more modules as your energy needs grow
90% Depth of Discharge – maximizes usable energy
Wide Temperature Tolerance – reliable performance in varied climates
Easy Installation – plug and play system saves time for installers
CAN/RS485 Communication – seamless integration with compatible systems
High Voltage Operation – efficient energy transfer
Technical Specifications
Weight: 34.7 kg
Rated Power: 2,880 W
Battery Type: Lithium Ion
Nominal Energy: 2,880 Wh
Depth of Discharge: 90%
Voltage: 52 V
Continuous Discharge Rate (Normal Use): 1,440 W
Maximum Discharge Rate (5 Minutes): 2,880 W
Surge Discharge Rate (15 Seconds): 3,000 W
Maximum Charge Rate (5 Minutes): 2,880 W
Why Choose Fox ECS Batteries?
The Fox ECS 2.88kWh HV Battery is designed for flexible, scalable energy storage. Its modular design and plug-and-play installation make it ideal for expanding existing systems or starting a new high-voltage storage setup. Perfect for homeowners or businesses seeking reliable, efficient, and safe energy storage solutions.
Fox ESS Cube ECS4300, 4.14kWh HV Battery (Master)
£1,041.00 + VAT
Fox ECS 4.14kWh HV Battery (Master)
#2: FE-HV-ECM-4300 Storage Systems - Li-ion Battery Pack
Fox ECM4300 Datasheet
Fox Product Compatibility
Fox ECM4300 User Manual
Fox ECM4300 Warranty
Fox ECS Solar Battery Storage – Scalable Energy Storage Solution
The Fox ECS Solar Battery Storage System is a high-performance, modular energy storage solution designed for flexibility and scalability. With a modular design, additional batteries can be added to achieve a maximum storage capacity of 29.03 kWh, making it suitable for a wide range of residential and commercial applications.
Key Features
Plug-and-play installation for fast and easy setup
4.14 kWh per module, scalable up to 29.03 kWh
90% Depth of Discharge for maximum usable energy
Wide temperature tolerance for reliable operation
CAN/RS485 communication for smart system integration
High-voltage design for efficient energy transfer
Technical Specifications
Specification
Details
Weight
38.3 kg
Rated Power
4,300 W
Battery Type
Lithium-ion
Nominal Energy
4,145 Wh
Depth of Discharge
90%
Voltage
57 V
Continuous Discharge Rate
2,875 W
Maximum Discharge Rate (5 min)
2,875 W
Surge Discharge Rate (15 sec)
3,737 W
Maximum Charge Rate (5 min)
2,875 W
Installation Notes
Minimum of 2 modules required (1 Master + 1 Slave)
Supports up to 7 modules in a stack (1 Master + 6 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 Fox ECS Battery Storage?
The Fox ECS Solar Battery is ideal for UK homeowners and businesses seeking a reliable, scalable, and efficient energy storage solution. Its modular design, smart communication features, and high depth of discharge enable maximum self-consumption of solar energy, providing flexible, long-term energy independence.
Order now from ITS Technologies – your trusted UK supplier of Fox batteries, solar PV systems, and energy storage solutions.
Please note: In order to increase the product warranty from 5 to 10 years you must register your install with Fox online to activate the 10 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 ESS Cube EQ4800, 4.66kWh HV Battery (Master)
£1,232.00 + VAT
Fox EQ4800, 4.66kWh HV Battery (Master)
2: FE-HV-EQM-4800 Storage Systems - Li-ion Battery Pack
Fox EQ4800 Datasheet
Fox Product Compatibility
Fox EQ4800 Warranty
Fox EQ4800 High-Performance Scalable Battery Storage System
The Fox EQ4800 is a premium, high-voltage battery storage solution designed for residential and commercial energy storage applications. Its modular design allows for maximum flexibility, making it easy to scale your storage system as your energy needs grow. With the ability to connect multiple modules, the EQ4800 can achieve a maximum storage capacity of 41.94 kWh, providing reliable power when you need it most.
Compatible with ECS-4800 batteries, the EQ4800 ensures seamless integration with existing Fox Energy Cube systems.
Key Features
Plug-and-Play Installation: Quick and easy setup saves valuable installation time
High Capacity: 4.66 kWh per module
Scalable Design: Expandable up to 41.94 kWh
High Depth of Discharge: 90% usable energy for maximum efficiency
Wide Temperature Tolerance: Operates reliably in diverse climates
Advanced Communication: CAN/RS485 connectivity for system integration
High Voltage: Supports fast charging and discharging
Technical Specifications
Weight: 42 kg
Rated Power: 4,800 W
Battery Type: Lithium-Ion (LiFePO4)
Nominal Energy: 4,660 Wh
Depth of Discharge: 90%
Voltage: 89.6 V
Continuous Discharge Rate (Normal Use): 2,330 W
Maximum Discharge Rate (5 Minutes): 4,460 W
Surge Discharge Rate (15 Seconds): 5,785 W
Maximum Charge Rate (5 Minutes): 4,460 W
Installation Notes
Minimum Configuration: Requires at least 2 modules (1 Master + 1 Slave)
Maximum Stack: Supports up to 9 modules (1 Master + 8 Slaves)
Compatibility: Ensure new battery modules match existing Energy Cube stacks
Professional Installation: Must be installed by a qualified electrician
✅ The Fox EQ4800 battery system is a scalable, high-performance solution designed to provide reliable energy storage for homes and businesses across the UK. Perfect for smart energy management, peak shaving, and backup power applications.
Don't forget: You must register your install with Fox online to activate the 12 year battery warranty, otherwise it's 5 years as standard
Fox ESS Cube EQ4800, 4.66kWh HV Battery (Slave)
£1,115.00 + VAT
Fox EQ4800, 4.66kWh HV Battery (Slave)
#2: FE-HV-EQS-4800 Storage Systems - Li-ion Battery Pack
Fox's EQ is a high-performance, scalable battery storage system. Its modular design allows for maximum flexibility. The Fox EQ is suitable for a wide range of storage applications. Additional batteries can be added with a maximum storage capacity of 41.94kWh.
EQ4800 are compatible with ECS-4800 batteries
Fox EQ4800 Datasheet
Fox Product Compatibility
Fox EQ4800 Warranty
Modular Energy Storage Solution for Homes and Small Businesses
The Fox EQ4800 (FE-HV-EQS-4800) is a high-performance lithium-ion battery module designed for scalable high-voltage energy storage systems. With a nominal capacity of 4.66kWh, this slave unit offers seamless integration with other EQ series batteries, enabling expandable storage up to 41.94kWh (1 master + 8 slave units).
Designed for hybrid solar, backup, and off-grid systems, the Fox EQ4800 is ideal for UK homes and commercial applications seeking reliable, modular power storage. Its plug-and-play installation, wide temperature tolerance, and high discharge efficiency make it a trusted choice for installers and system designers.
Key Benefits
4.66kWh Nominal Capacity
Modular & Scalable – Expandable up to 41.94kWh (1 master + 8 slaves)
Wide Temperature Tolerance – Built for UK weather conditions
Plug & Play Design – Fast, simple installation
90% Depth of Discharge – Maximised usable capacity
CAN/RS485 Communication – Reliable and fast system integration
High Voltage Battery – Compatible with Fox ECS series systems
Backward Compatible – Works with older ECM/S-4800 models
Please Note: A 2 module minimum is required for operation (1 master + 1 slave). Must be installed by a certified electrician. To active the extended 12-year extended warranty register online with Fox ESS
Technical Specifications
Specification
Value
Battery Type
Lithium-Ion (Li-ion)
Nominal Energy
4.66kWh / 4660Wh
Rated Power
4,660W
Voltage
45V
Depth of Discharge (DoD)
90%
Continuous Discharge Rate
2,225W
Maximum Discharge Rate (5 min)
4,450W
Surge Discharge Rate (15 sec)
3,000W
Maximum Charge Rate (5 min)
4,450W
Scalability
Up to 41.94kWh
Communication
CAN/RS485
Weight
41.5kg
Why Choose the Fox ESS Cube EQ488 4.66Wh HV Battery?
Future‑proofing your energy system: If you install a smaller system now but anticipate higher usage (EV charging, home battery backup, increasing self‑consumption of solar), having a system that can grow is a major advantage.
Cost‑effectiveness: By buying a slave module instead of a whole new standalone system, you’re optimising investment by utilising what you already have and increasing capacity only as needed.
Less grid dependence: Expanded storage means you can store more of your solar generation (if you have PV), or have more backup capacity during power cuts/peak tariffs.
Installation efficiency: The simpler install and compatibility reduce labour risk and installation complexity — beneficial both for homeowners and for installers.
Warranty & support: Products from this family (by Fox ESS) emphasise correct installation and registration to unlock extended warranties (helping buy‑in confidence)
2
Fox ESS Cube HV ECS2900 V2 2.88kWh Slave Battery Connector Type A
£765.00 + VAT
Fox Cube HV ECS2900 V2 2.88kWh Slave battery Connector Type A
#2: FE-HV-ECS-2900-4A2C #3: 6001
Fox ECS2900 Datasheet
Fox ECS2900 Manual
Fox ECS2900 Warranty
If purchasing to add to an existing system please check if you have V2 with A connector batteries on your existing system.
How to check if you have Type A or B
TYPE A BATTERIES
Serial Number Prefix 60JM292 / KM292 / 8M292 / QM292
TYPE B BATTERIES
Serial Number Prefix 60CM292 / TM292
Suitable for charging from the grid such as Economy 7 & Octopus Go. For detailed explanation of how to maximize Economy 7 essential information to work out which battery storage options is best for you please visit - Understanding Economy 7
Compatible with Fox HV chargers only available on our Fox HV main page
Energy cube is a high-performance, scalable battery storage system. The modular design allows for maximum flexibility, making it suitable for a broad range of storage applications. Additional batteries can be installed in series, allowing for a maximum storage capacity of 20.16 kWh. Installation is easy, with a plug and play solution that can save valuable time for installers.
2.88kWh Capacity
Scalable to 20.16kWh
90% Depth of Discharge
Wide Temperature Tolerence
Easy Installation
CAN/RS485 Communication
High Voltage
Weight: 32.4 kgBattery Type: Lithium IonNominal Energy: 2880 WhDepth of discharge: 90.00 %Voltage: 52 VContinuous Discharge Rate (Normal Use): 1440 WMaximum Discharge Rate (5 Minutes): 2880 WSurge Discharge Rate (15 Seconds): 3000 WMaximum Charge Rate (5 Minutes): 2880 W
Fox ESS EP12 Plus | 11.52kWh High Voltage LFP Battery | Built In Fire Suppressant | Heating Element
£2,106.00 + VAT
Fox ESS EP12 Plus 11.52kWh Battery with Heating Element & Fire Suppressant
#3: 7430 #2: FE-HV-EP12-H
FOX EP12 Data Sheet
FOX EP12 User Manual
FOX ESS EP12 Installation Guide
FOX Warranty
(not compatible with EP11)
Future-proof your energy storage with the Fox ESS EP12 Plus – a durable, high-performance LFP battery designed for residential and commercial energy systems.
Scalable Lithium Iron Phosphate Battery for Hybrid & AC Systems
The Fox ESS EP12 Plus is a high-voltage lithium iron phosphate (LFP) battery with a nominal capacity of 11.52kWh. Designed for long-lasting, scalable energy storage, it can be expanded up to 46.08kWh (per inverter port) using the Fox ESS 4-way junction box.
With built-in self-heating technology, the EP12 Plus ensures optimal performance even in extreme cold. This makes it a perfect choice for UK homes and businesses looking for efficient year-round energy storage.
It integrates seamlessly with Fox ESS’s full range of single-phase (1ph) and three-phase (3ph) hybrid and AC inverters, delivering reliable energy for self-consumption, backup power, or EV charging support.
Key Features
11.52kWh Nominal Capacity
Expandable to 46.08kWh per inverter port (4 units in parallel)
>95% Round-Trip Efficiency
Integrated Self-Heating for low-temperature environments
IP65-Rated – suitable for indoor & outdoor installation
10-Year Manufacturer Warranty
Technical Specifications
Battery Type: LFP (LiFePO₄)
Nominal Energy: 11.52kWh
Operating Voltage: 348V – 438V
Max Charge Current: 30 A
Max Discharge Current: 30 A
Depth of Discharge: 90%
Round-Trip Efficiency: >95%
Scalability: Max 4 units in parallel
Weight: 98kg
Dimensions: 710 x 640 x 185mm
IP Rating: IP65
Operating Temp: -25°C to 55°C
Inverter Compatibility - Works Seamlessly With:
Fox ESS 1-Phase Hybrid Inverters
Fox ESS 3-Phase Hybrid Inverters
Fox ESS AC-Coupled Inverters
Ideal For:
Solar energy storage (on-grid & off-grid)
Residential battery backup systems
Commercial & agricultural energy systems
EV charging energy reserves
Power backup during outages
What’s in the Box?
1x Fox ESS EP12 Plus Battery (11.52kWh)
Installation guide & user manual
Mounting hardware (if applicable)
Warranty & registration documents
Why Choose the EP12 Plus?
The Fox ESS EP12 Plus is engineered for long-term energy independence, high performance, and reliable scalability. Whether you're starting a new solar installation or upgrading an existing setup, it’s a smart investment backed by industry-leading technology and support.
Fox ESS EP5 5.18kWh Battery
£1,195.00 + VAT
Fox ESS EP5 5.18kWh Battery with 10 Year Warranty
#2:FE-HV-EP5-10Y Storage Systems - Li-ion Battery Pack
FOX EP5 Data Sheet
FOX EP5 User Manual
FOX Warranty
FOX Battery Sizing Guide
The Fox ESS EP5 is a high-performance, scalable battery storage system. With maximum flexibility, it is suitable for a wide range of storage applications. With a FE-JUNBOX-HV, additional batteries can be installed in parallel allowing for a maximum storage capacity of 20.8kWh.
(EP series are only compatible with the same EP model/size)
Don't forget: You must register your install with Fox online to activate the 10 year battery warranty, otherwise it's 5 years as standard
Features
90% Depth of Discharge
Scalable to 20.8 kWh
Floor or Wall Mounting
Compact and easy to install
IP65 Rated
High voltage and high efficiency
Warranty 5 years + 5 year extended warranty
Fox ESS EP5 Specs
Weight: 50.5kg
Nominal Energy: 5,180Wh
Voltage: 115 V
Continuous Discharge Rate (Normal Use): 5,184 W
Maximum Discharge Rate: 5,184 W
Surge Discharge Rate (15 seconds): 12,480 W
Maximum Charge Rate: 5,184
Fox ESS EP6 Plus | 5.76kWh High Voltage LFP Battery | Built In Fire Suppressant | Heating Element
£1,120.00 + VAT
Fox ESS EP6 Plus 5.76kWh Battery with Heating Element & Fire Suppressant
#2: FE-HV-EP6-H#3: 7429
FOX EP6 Data Sheet
FOX EP6 User Manual
FOX Warranty
(not compatible with EP5)
Scalable Lithium Iron Phosphate Battery for Hybrid & AC Systems - Compact, efficient, and built for UK weather conditions
The Fox ESS EP6 Plus is a high-performance LFP (LiFePO₄) battery designed for high-voltage energy storage systems. With a nominal capacity of 5.76kWh, it’s ideal for homeowners and small commercial users looking to enhance solar energy storage, backup power, or grid independence.
This modular battery can be expanded up to 23.04kWh using up to four units in parallel, connected via the Fox ESS 4-way junction box. Thanks to its built-in self-heating function, the EP6 Plus delivers stable charging and discharging performance even in cold UK climates
Key Features
5.76kWh nominal energy capacity
Expandable to 23.04kWh (up to 4 batteries per inverter port)
Self-heating technology for operation in low temperatures
>95% round-trip efficiency
Compact and IP65-rated for indoor or outdoor installation
Compatible with all Fox ESS hybrid and AC inverters
10-Year Manufacturer Warranty
Technical Specifications
Battery Type: LFP (LiFePO₄)
Nominal Energy: 5.76kWh
Operating Voltage: 174V – 213V
Max Charge Current: 30 A
Max Discharge Current: 30 A
Depth of Discharge: 90%
Round-Trip Efficiency: >95%
Scalability: Max 4 units in parallel
Weight: 51kg
Dimensions: 380 x 640 x 185mm
IP Rating: IP65
Operating Temp: -25°C to 55°C
Inverter Compatibility - Works Seamlessly With:
Fox ESS 1-Phase Hybrid Inverters
Fox ESS 3-Phase Hybrid Inverters
Fox ESS AC-Coupled Inverters
Combine the EP6 Plus with any compatible Fox ESS inverter for a high-efficiency, smart energy system tailored to your power needs.
Ideal For:
UK homes with solar PV systems
Energy storage in cold climates
EV charger support
Backup power and off-grid setups
Small commercial solar systems
What’s in the Box?
1x Fox ESS EP6 Plus Battery (5.76kWh)
Installation & user manuals
Mounting hardware (if required)
Warranty registration documents
Why Choose the Fox ESS EP6 Plus?
With its compact design, expandable capacity, and cold-weather resilience, the EP6 Plus is a flexible and future-proof energy storage solution. Its compatibility with the full Fox ESS inverter range makes it a great choice for new installations or system upgrades.
FOX ESS H3 12.0KW 3PH Hybrid Inverter | 10yr Warranty
£1,393.00 + VAT
FOX ESS H3 12.0KW 3PH Hybrid Inverter
#1: FE-H3-12.0
Fox 12.0kW Datasheet
Fox 12.0kW Manual
Fox 12.0kW Warranty
Fox 12.0kW G998 Certificate
FOX ESS H3 12.0kW Hybrid Inverter – High Performance Solar Storage
Harness the power of the sun, day and night, with the FoxESS H3 12.0kW hybrid inverter – a cutting-edge solution for residential and commercial solar installations.
Easy Installation – Plug & Play
FoxESS H3 inverters are designed for quick and effortless installation. Features include:
Built-in fuse protection for added safety
Plug & Play setup to save time on site
Maximum Energy Yields
Get the most from your solar system with:
Low starting voltage for early-morning and late-evening energy capture
97.3% maximum efficiency to optimise every ray of sunlight
Flexible Battery Options
Expand your energy storage easily:
Compatible with 3 types of FoxESS batteries
Supports 2 stacks of Cube or EP batteries for increased capacity
True 3-phase backup power to keep your home running in emergencies
Remote Monitoring – Stay in Control
Manage your system anytime, anywhere:
App or web portal monitoring for complete visibility of energy production and storage
3-phase Smart Meter included in the package for accurate readings
Compatibility
Works seamlessly with Tigo optimizers
Not compatible with SolarEdge or Huawei optimizers
FoxESS H3 12.0kW delivers efficiency, flexibility, and reliability, making it an ideal choice for modern solar installations.
Fox ESS H3 Pro | 20kW 3PH | Hybrid Inverter | 10yr Warranty
£2,099.00 + VAT
Fox ESS H3 Pro 20kW 3PH Hybrid Inverter
#2: FE-H3-PRO-20.0 Storage Systems - Hybrid Inverter
Fox H3 Series 20kW Datasheet
Fox H3 Series 20kW Manual
Fox H3 Series 20kW Warranty
Fox Battery Sizing Guide
FoxESS H3 3-Phase Hybrid/AC Inverter – Scalable High-Voltage Storage Solution
The FoxESS H3 Hybrid Inverter combines high-performance solar conversion with flexible battery integration, giving homeowners and businesses the ability to expand storage capacity up to 86.4 kWh. With full three-phase backup power, multiple MPPT tracking, and smart connectivity, it delivers reliability, efficiency, and control.
Key Features
Plug & Play Installation
Quick and straightforward setup, reducing time on site.
Full Three-Phase Emergency Power
Provides uninterrupted backup for essential loads during outages.
Flexible Battery Expansion
Supports two battery stacks, each with up to 7 modules. Compatible with multiple Fox battery series including HV2600, ECS-2900, ECS-4100, and ECS-4800.
High-Voltage Design
Optimised for maximum round-trip efficiency and larger storage capacity.
Remote Monitoring
Integrated Wi-Fi dongle and FoxESS Cloud access for real-time system monitoring.
Smart Meter Included
Enables accurate energy measurement and export limitation.
Advanced MPPT Tracking
3 MPPTs allow maximum energy harvesting from multiple solar arrays.
Warranty
5-year standard warranty, extendable up to 10 years.
Compatibility
EP5,6,11,12
1x FE-HV-BMS + (3-16)x FE-HV-2600
1x ECM-2900 (Master) + (2-6)x ECS-2900 (Slave) (Connector Type A or B)
1x ECM-4100 (Master) + (2-6)x ECS-4100 (Slave)
1x ECM-4300 (Master) + (2-6)x ECS-4300 (Slave)
1x ECM-4800 (Master) + (2-6)x ECS-4800 (Slave)
Maximum: 2 stacks, 7 modules per stack (1 Master + 6 Slaves), total 2 Masters + 12 Slaves
Technical Specifications
Weight: 52.5 kg
Rated Power: 20,000 W
Min MPPT Voltage: 160 V
Max MPPT Voltage: 1,000 V
DC Startup Voltage: 160 V
DC Shutdown Voltage: 160 V
Max Input Voltage: 1,000 V
Max DC Power: 30,000 W
Max AC Power (5 Minutes): 20,000 W
Surge AC Power (1 Second): 22,000 W
Max DC Current: 96 A
DC Inputs: 6
DC Fuses: 1
Connector: MC4
Included Connectors: 12
Euro Efficiency: 97.4%
Transformer: None
MPPT Quantity: 3
Integrated DC Switch: Yes
This FoxESS H3 Hybrid Inverter is ideal for homeowners or small businesses looking to scale their solar + storage systems efficiently, with robust safety, monitoring, and expansion options.
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard.
Please click here for registration page.
Please check the warranty document for more information.
Fox ESS H3 Pro | 25kW 3PH | Hybrid Inverter | 10yr Warranty
£2,349.00 + VAT
Fox ESS H3 Pro 25kW 3PH Hybrid Inverter
#2: FE-H3-PRO-25.0 Storage Systems - Hybrid Inverter
Fox H3 Series 25kW Datasheet
Fox H3 Series 25kW Manual
Fox H3 Series 25kW Warranty
Fox Battery Sizing Guide
Fox H3 Hybrid 25kW 3-Phase Inverter – Scalable Energy Storage Solution
With up to 25kW charge/discharge, the Fox H3 Hybrid inverter is perfect for expanding residential or small commercial solar systems. The inverter supports three battery series, allowing you to increase storage capacity up to 86.4 kWh. Multiple inverters can be connected in parallel—up to 10 units—providing maximum flexibility for larger installations.
Supports 2 stacks of Cube or EP batteries with H3 model hybrids.
Key Features:
Plug-and-Play Installation: Fast, hassle-free setup
Full Three-Phase Emergency Power: Reliable backup capability
Dual Battery Inputs: Easier connection for high-voltage batteries
3 MPPT Trackers: Optimised solar energy harvesting
Remote Monitoring: Via FoxESS Cloud platform
Expandable Capacity: Add more batteries as needed
High Voltage Design: Maximises round-trip efficiency
Included Accessories: Smart meter and WiFi dongle
Warranty: 5-year standard, 10-year extended
Compatible Batteries:
1x FE-HV-BMS + (3–16)x FE-HV-2600
1x ECM-2900 (Master) + (2–6)x ECS-2900 (Slave) – Connector Type A
1x ECM-2900 (Master) + (2–6)x ECS-2900 (Slave) – Connector Type B
1x ECM-4100 (Master) + (2–6)x ECS-4100 (Slave)
1x ECM-4300 (Master) + (2–6)x ECS-4300 (Slave)
1x ECM-4800 (Master) + (2–6)x ECS-4800 (Slave)
Maximum Configuration: 2 stacks, 7 modules per stack (1 Master + 6 Slaves per stack), total of 2 Masters + 12 Slaves.
Technical Specifications:
Weight: 57.7 kg
Rated Power: 25,000 W
Min/Max PPT Voltage: 160 – 1,000 V
DC Startup / Shutdown Voltage: 160 V
Max DC Power: 37,500 W
Max AC Power (5 Minutes): 25,000 W
Surge AC Power (1 Second): 27,500 W
Max DC Current: 96 A
Max DC Inputs: 6
DC Fuses: 1
Connector Type: MC4 (12 included)
Euro Efficiency: 97.4%
Transformer: None
MPPT Quantity: 3
Integrated DC Switch: Yes
This Fox H3 25kW inverter is ideal for future-proof solar storage systems, offering high efficiency, flexible scalability, and reliable three-phase backup for homes and small businesses.
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard.
Please click here for registration page.
Please check the warranty document for more information.
Fox ESS H3 Pro | 30kW 3PH | Hybrid Inverter | 10yr Warranty
£2,499.00 + VAT
FE-H3-PRO-30.0 Storage Systems - Hybrid Inverter
#2: FE-H3-PRO-30.0 Storage Systems - Hybrid Inverter
Fox H3 Series 30kW Datasheet
Fox H3 Series 30kW Manual
Fox H3 Series 30kW Warranty
Fox Battery Sizing Guide
Fox H3 30kW 3-Phase Hybrid/AC Inverter – Expandable High-Performance Storage
The Fox H3 30kW Hybrid/AC Inverter is a powerful and scalable solution for residential, commercial, or industrial solar energy storage systems. With up to 30kW charge/discharge capability and support for multiple battery series, this inverter allows you to expand your storage capacity up to 86.4 kWh. A maximum of 10 inverters can be connected in parallel, giving you full flexibility to scale your system according to your energy needs.
Key Features:
Plug-and-play installation – quick and easy to install
IP65 rated – suitable for outdoor installations
Remote monitoring via FoxESS Cloud for real-time system control
Expandable battery capacity – compatible with multiple Fox HV and Cube battery series
High voltage system – ensures maximum round-trip efficiency
Supports 2 battery stacks per H3 model for larger storage configurations
Compatible Battery Series:
1x FE-HV-BMS + (3-16)x FE-HV-2600
1x ECM-2900 (Master) + (2-6)x ECS-2900 (Slave) (Connector Type A)
1x ECM-2900 (Master) + (2-6)x ECS-2900 (Slave) (Connector Type B)
1x ECM-4100 (Master) + (2-6)x ECS-4100 (Slave)
1x ECM-4300 (Master) + (2-6)x ECS-4300 (Slave)
1x ECM-4800 (Master) + (2-6)x ECS-4800 (Slave)
Maximum configuration: 2 stacks with 7 modules per stack (1 Master + 6 Slaves), totaling 2 Masters + 12 Slaves.
Technical Specifications:
Weight: 57.5 kg
Rated Power: 30,000 W
DC Startup Voltage: 160 V | DC Shutdown Voltage: 1,000 V
Max DC Input Voltage: 1,000 V | Max DC Power: 45,000 W
Max AC Power (5 Minutes): 30,000 W | Surge AC Power (1 Second): 33,000 W
Max DC Current: 96 A | DC Inputs: 6 | DC Fuses: 1
Connector Type: MC4 | Included Connectors: 6
MPPT Quantity: 3 | Euro Efficiency: 97.4%
Transformer: None | Integrated DC Switch: Yes
Warranty: 5 years
Certifications: G99 and G100
This inverter is perfect for high-demand solar installations, offering scalable battery integration, advanced monitoring, and industry-leading efficiency.
Remember to register your install with Fox online to activate the 10 year product warranty, otherwise it's 5 years as standard.
Please click here for registration page.
Please check the warranty document for more information.