FOX ESS Battery Storage For UK Homes

Fox H1 3.7kW Hybrid Inverter 1PH G2 #2: FE-H1-3.7-G2 Storage Systems - Hybrid Inverter Fox H1 3.7kW Datasheet Fox H1 3.7kW Manual Fox H1 3.7kW Installer Guide Fox H1 3.7kW G100 Certification Fox Battery Sizing Guide   3.68kW Single Phase Hybrid/AC Inverter – Expandable Storage, Dual MPPT This 3.68kW hybrid/AC inverter is a compact, high-performance solution for residential solar energy systems. With dual MPPT tracking and an impressive 97% round-trip efficiency, it ensures maximum solar energy production and system reliability. Designed for scalability, it supports up to seven batteries in series, delivering a maximum storage capacity of 33.24kWh. Compatible with all Fox Cube and EP5/EP11 batteries, it’s the perfect choice for homes seeking reliable energy independence. Key Features 🔧 Easy Installation – compact and installer-friendly design ⚡ High Voltage & Dual MPPT – ensures optimal solar yield 💧 IP65 Protection – suitable for indoor or outdoor installation 📡 Remote Monitoring – manage your system anytime, anywhere 🔄 Scalable Storage – expand with up to 7 batteries (33.24kWh max.) 🌍 Compatible with Fox Cube & EP Series batteries 🎯 High Efficiency – 97% round-trip efficiency What’s Included ✅ CT Clamps ✅ WiFi Stick     Additional Requirements 📏 A second CT if another generator set (PV, wind, etc.) is present ⚡ A meter between inverter and incoming power connection point if distance >30m Technical Specifications Rated Power: 3,680 W Weight: 22 kg Min. PPT Voltage: 80 V Max. PPT Voltage: 550 V DC Startup Voltage: 75 V DC Shutdown Voltage: 600 V Max. Input Voltage: 600 V Max. DC Power (5 mins): 5,500 W Max. AC Power (5 mins): 3,680 W Surge AC Power (1 sec): 4,400 W Max. DC Current: 32 A Max. DC Inputs: 2 DC Fuses: No Connector Type: MC4 Included Connectors: 4 Euro Efficiency: 95.7% Transformer: None MPPT Quantity: 2 Integrated DC Switch: Yes Warranty: 5 years Compatibility: FoxESS inverters compatible with Tigo optimisers Fox ESS inverters are not compatible with SolarEdge or Huawei optimizers ✅ With its high-voltage design, dual MPPT efficiency, and scalability up to 33.24kWh storage, this hybrid/AC inverter is ideal for households looking to maximise solar self-consumption and future-proof their energy 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 H1 5.0kW Hybrid Inverter G2 #2: FE-H1-5.0-G2 Storage Systems - Hybrid Inverter Fox H1 5.0kW Datasheet Fox H1 5.0kW Manual Fox H1 5.0kW Installer Guide Fox H1 5.0kW G100 Certification Fox Battery Sizing Guide   Single Phase Hybrid/AC Inverter – 5kW with Dual MPPT This single phase 5kW Hybrid/AC Inverter is designed for efficient solar energy storage and flexible system expansion. With dual MPPT technology and up to 97% round-trip efficiency, it ensures optimal solar production and seamless integration with compatible batteries. Perfect for home and small commercial installations, this inverter allows connection of up to seven batteries in series with a maximum storage capacity of 33.24kWh. Key Features ⚡ Easy Installation – streamlined setup process 🔋 High Voltage Compatibility – supports Cube & EP5/11 batteries 🌦️ IP65 Rated – suitable for indoor or outdoor installations 📡 Remote Monitoring – track performance anytime, anywhere 🌞 Dual MPPT Tracking – maximise solar energy harvest 🔄 High Efficiency – 97% round-trip efficiency for minimal energy loss What’s Included CT Clamps WiFi Stick Additional Requirements An extra CT clamp is required if connecting to another generator (PV, wind, etc.) A meter between the inverter and the incoming power connection point is required if distance exceeds 30m Technical Specifications Weight: 22 kg Rated Power: 5,000 W Min PPT Voltage: 80 V Max PPT Voltage: 550 V DC Startup Voltage: 75 V DC Shutdown Voltage: 601 V Max Input Voltage: 600 V Max DC Power (5 mins): 7,500 W Max AC Power (5 mins): 5,000 W Surge AC Power (1 sec): 5,500 W Max DC Current: 32 A Max DC Inputs: 2 DC Fuses: None Connectors: MC4 (x4 included) Euro Efficiency: 97% Transformer: None MPPT Quantity: 2 Integrated DC Switch: Yes Warranty: 5 Years 🔧 Ideal for system expansion – compatible with both new and existing solar setups.🌍 UK-compliant and built for long-term performance.   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.Please Note: When installing batteries side-by-side and not stacked one on top of the other, we recommend using HV2600 1M DC Extension Cable  

Fox H1 6.0kW Hybrid Inverter G2   #2: FE-H1-6.0-G2 Storage Systems - Hybrid Inverter #3: 5985 Fox H1 6.0kW Datasheet Fox H1 6.0kW Manual Fox H1 6.0kW Installer Guide Fox H1 6.0kW G100 Certification Fox Battery Sizing Guide   Cube Hybrid Single-Phase AC Inverter – Expandable Solar Energy Solution The Cube Hybrid Single-Phase AC Inverter combines high efficiency, flexible expansion, and smart monitoring to optimise your solar energy system. Compatible with Cube & EP5/11 batteries, this inverter is perfect for residential and small commercial installations. Key Features Easy Installation Quick and straightforward setup for hassle-free integration. High Voltage & Dual MPPT Dual MPPT design ensures maximum solar energy production. High round-trip efficiency of 97% maximises energy savings. Expandable Storage Supports up to seven batteries in series, reaching a maximum storage capacity of 33.24 kWh. Remote Monitoring Monitor your system in real-time via Wi-Fi for performance tracking and updates. Durable & Weatherproof IP65-rated for indoor and outdoor installation. What’s Included CT Clamps Wi-Fi Stick Additional Requirements Second CT clamp for additional generator sets (PV, wind, or others). Energy meter between inverter and incoming power connection if the distance exceeds 30m. Technical Specifications Weight: 23 kg Rated Power: 6,000 W Minimum MPPT Voltage: 80 V Maximum MPPT Voltage: 550 V DC Startup Voltage: 75 V DC Shutdown Voltage: 601 V Maximum Input Voltage: 600 V Max DC Power (5 minutes): 9,000 W Max AC Power (5 minutes): 6,000 W Surge AC Power (1 second): 6,600 W Maximum DC Current: 32 A Maximum DC Inputs: 2 Connector Type: MC4 (4 included) Euro Efficiency: 97% Transformer: None MPPT Quantity: 2 Integrated DC Switch: No Warranty: 5 years Why Choose the Cube Hybrid Inverter? The Cube Hybrid Single-Phase AC Inverter delivers reliable, efficient, and scalable solar power management. Its high voltage design, dual MPPT, and remote monitoring capabilities make it an ideal choice for homeowners and businesses looking to expand their solar energy systems while maximising efficiency and savings. 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 7kW K Series Single Phase Hybrid Inverter 2: FE-KH1-7.0 Storage Systems - Hybrid Inverter #3 5986 Fox K Series 7kW Datasheet Fox K Series 7kW Manual Fox K Series 7kW Warranty Fox K Series7kW G100 Certification FoxESS KH7 7kW Single-Phase Hybrid Inverter The FoxESS KH7 is a sleek 7kW single-phase full hybrid inverter built with IP65 protection and high-voltage battery compatibility. Designed for maximum efficiency, it delivers a 97.4% round-trip efficiency, ensuring you get the best performance from your solar installation. Its triple MPPT design allows for optimal solar production even with panels on multiple roof orientations, while its expandable battery capacity makes it a flexible and future-proof solution. Key Features IP65 Rated – dust and water resistant, perfect for outdoor installation Remote Monitoring – manage and track system performance anywhere Expandable Storage – compatible with all Cube & EP5/11 batteries Triple MPPT Design – ensures maximum energy harvest from multiple arrays High Round-Trip Efficiency – up to 97% system efficiency Plug & Play Installation – supplied with CT clamps and meter for convenience Included in the Box CT Clamps Meter Technical Specifications Weight: 29 kg Rated Power: 7,000 W Min PPT Voltage: 80 V Max PPT Voltage: 500 V DC Startup Voltage: 75 V DC Shutdown Voltage: 601 V Max Input Voltage: 600 V Max DC Power (5 minutes): 10,500 W Max AC Power (5 minutes): 7,000 W Surge AC Power (1 second): 7,700 W Max DC Current: 48 A Max DC Inputs: 3 DC Fuses: None Connector Type: MC4 Included Connectors: 6 Euro Efficiency: 97.4% Transformer: None MPPT Quantity: 3 Integrated DC Switch: Yes Warranty: 5 years Why Choose the FoxESS KH7? The FoxESS KH7 inverter combines high efficiency, expandability, and smart monitoring in a compact design. It’s the ideal choice for homeowners and small businesses seeking to maximize solar production and ensure long-term reliability with flexible battery storage 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 8kW K Series Single Phase Hybrid Inverter #2: FE-KH1-8.0 Storage Systems - Hybrid Inverter Fox K Series 8.0kW Datasheet Fox K Series 8.0kW Manual Fox K Series 8.0kW Warranty Fox K Series 8.0kW G100 Certificate The FoxESS KH8 is a powerful and sleek 8kW single-phase full hybrid inverter, designed to deliver maximum efficiency and flexibility for UK solar PV systems. With support for high-voltage battery storage, triple MPPT design, and advanced monitoring via the FoxESS Cloud, it ensures optimal solar production and intelligent energy management. Engineered for long-term performance and easy installation, the FoxESS KH8 is the ideal choice for homeowners seeking to reduce grid reliance and expand energy storage capacity over time. Key Features ✅ Easy to Install – compact and user-friendly design ✅ IP65 Rated – weatherproof for indoor or outdoor use ✅ FoxESS Cloud Remote Monitoring – track and manage energy performance anywhere ✅ Scalable Battery Options – compatible with all FoxESS Cube & EP5/11 batteries ✅ Triple MPPT – maximises yield from different roof orientations ✅ High Round-Trip Efficiency – up to 97% for optimal energy use ✅ CT Clamps and Meter Included – everything you need in the box Technical Specifications General Weight: 29 kg Rated Power: 8,000 W Euro Efficiency: 97.4% Warranty: 5 years Voltage & Current Min PPT Voltage: 80 V Max PPT Voltage: 500 V DC Startup Voltage: 75 V DC Shutdown Voltage: 601 V Max Input Voltage: 600 V Max DC Power: 12,000 W Max AC Power (5 Minutes): 8,000 W Surge AC Power (1 Second): 8,800 W Max DC Current: 48 A Connections Max DC Inputs: 3 Connector: MC4 (6 included) Has Integrated DC Switch: Yes DC Fuses: No Transformer: None MPPT Quantity: 3 Why Choose the FoxESS KH8 Hybrid Inverter? Designed with UK solar PV systems in mind Provides scalable storage options for future energy needs Offers reliable outdoor performance with IP65 protection Delivers high-efficiency solar conversion with triple MPPT Backed by 5-year manufacturer’s warranty for peace of mind ✅ The FoxESS KH8 is the perfect 8kW hybrid inverter for maximising solar energy, integrating flexible battery storage, and building a future-ready energy system. 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 9kW K Series Single Phase Hybrid Inverter #2: FE-KH1-9.0 Storage Systems - Hybrid Inverter Fox 9.0kW K Series Data Sheet Fox 9.0kW K Series User Manual Fox 9.0kW K Series Warranty Fox 9.0kW K Series G100 Certification FoxESS KH9 9kW Single Phase Hybrid Inverter – Full IP65 Protection Harness maximum efficiency and flexibility with the FoxESS KH9 9kW single-phase hybrid inverter, designed for high-voltage battery systems to optimise solar power usage. Ideal for residential installations, this inverter provides advanced features, remote monitoring, and high-performance reliability. Key Features High round-trip efficiency – up to 97% for maximum energy savings IP65 rated – suitable for outdoor installation Triple MPPT – ensures optimal solar production from multiple array orientations Expandable battery capacity – compatible with Cube & EP5/11 batteries Remote monitoring and control – via FoxESS Cloud web portal or smartphone app CT clamps and meter included – for easy setup and monitoring Warranty Registration Standard warranty: 5 years Extended 10-year warranty – register your installation directly with Fox online Click here for warranty registration and review the warranty documentation for full details Technical Specifications Rated Power: 9,000 W Max AC Power (5 minutes): 9,000 W Surge AC Power (1 second): 9,900 W Min PPT Voltage: 80 V | Max PPT Voltage: 500 V DC Startup Voltage: 75 V | DC Shutdown Voltage: 601 V Max DC Power: 13,500 W | Max DC Current: 64 A Max DC Inputs: 4 | MPPT Quantity: 4 Connector: MC4 | Included Connectors: 6 Transformer: None Euro Efficiency: 97.4% Has Integrated DC Switch: Yes The FoxESS KH9 inverter combines performance, safety, and smart monitoring, making it a perfect choice for homeowners seeking reliable, efficient, and flexible solar energy storage.

Fox 10kW K Series Single Phase Hybrid Inverter #2: FE-KH1-10.0 Storage Systems - Hybrid Inverter Fox 10.0kW Datasheet Fox 10.0kW Manual Fox 10.0kW Warranty Fox 10.0kW G100 Certificate FoxESS KH10 – 10kW Single-Phase Hybrid Inverter The FoxESS KH10 is a high-performance, single-phase hybrid inverter designed to optimise solar energy usage in residential and small commercial installations. With IP65 rating, high-voltage battery compatibility, and triple MPPT technology, this inverter maximises round-trip efficiency and ensures optimal energy production from your solar system. With remote monitoring via FoxESS Cloud and included CT clamp for zero-export control, the KH10 offers convenience, flexibility, and efficiency in one compact design. Key Features ✅ 10kW single-phase hybrid inverter – ideal for high-capacity solar systems ✅ High-voltage battery compatibility – works with Cube & EP5/11 batteries ✅ IP65 rated – suitable for outdoor installations ✅ Remote monitoring and control – via smartphone or web portal ✅ Triple MPPT – ensures maximum solar production ✅ High round-trip efficiency – 97% for optimal energy usage ✅ Expandable battery capacity – add batteries as your energy needs grow ✅ CT clamp included – for zero-export functionality Technical Specifications General Weight: 29 kg Rated Power: 10,000 W Euro Efficiency: 97.4% Transformer: None MPPT Quantity: 4 Voltage & Current Min PPT Voltage: 80 V Max PPT Voltage: 500 V DC Startup Voltage: 75 V DC Shutdown Voltage: 75 V Max Input Voltage: 600 V Max DC Power: 15,000 W Max AC Power (5 Minutes): 10,000 W Surge AC Power (1 Second): 10,500 W Max DC Current: 64 A Max DC Inputs: 4 Connections Connector Type: MC4 Included Connectors: 8 DC Fuses: 0 Integrated DC Switch: Yes Why Choose the FoxESS KH10 Hybrid Inverter? Efficient energy conversion – get the most from your solar panels Scalable energy storage – compatible with multiple battery types User-friendly monitoring – control and track performance remotely Robust outdoor design – IP65 rating ensures durability Zero-export ready – included CT clamp for grid compliance ✅ The FoxESS KH10 10kW Hybrid Inverter is a high-efficiency, scalable solution that combines reliability, advanced monitoring, and maximum energy utilisation for residential and small commercial solar installations.

Fox 10.5kW K Series Single Phase Hybrid Inverter #2: FE-KH1-10.5 Storage Systems - Hybrid Inverter Fox 10.5kW Datasheet Fox 10.5kW Manual Fox 10.5kW Warranty Fox 10.5kW G100 Certificate   FoxESS K Series 10kW Single Phase Hybrid Inverter Harness the full potential of your solar energy system with the FoxESS K Series 10kW single-phase hybrid inverter. Designed for efficiency and flexibility, this IP65-rated inverter is ideal for indoor or outdoor installations and works seamlessly with high-voltage batteries for maximum round-trip efficiency. Key Features Stylish and Robust Design: IP65-rated enclosure suitable for outdoor environments. High Efficiency: High-voltage battery compatibility ensures up to 97.4% round-trip efficiency. Remote Monitoring & Control: Access and control your system easily via FoxESS Cloud. Easy Installation: Lightweight design at 29kg, saving time and effort on-site. Battery Compatibility: Works with Cube & EP5/11 batteries. Zero Export Control: CT clamp included for safe and compliant energy management. Technical Specifications Specification Value Weight 29 kg Rated Power 10,500 W Minimum PPT Voltage 80 V Maximum PPT Voltage 500 V DC Startup Voltage 75 V DC Shutdown Voltage 601 V Maximum Input Voltage 600 V Maximum DC Power 15,000 W Maximum AC Power (5 min) 10,000 W Surge AC Power (1 sec) 10,500 W Maximum DC Current 64 A Max DC Inputs 4 DC Fuses 0 Connector MC4 Included Connectors 8 Euro Efficiency 97.4 % Transformer None MPPT Quantity 4 Integrated DC Switch Yes Why Choose the FoxESS K Series? The FoxESS K Series combines sleek design, reliable performance, and advanced technology to give you complete control over your solar energy. Its high-efficiency performance and flexible battery compatibility make it an excellent choice for homeowners looking to optimise their solar storage and energy management. 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 AC 10.0kW Three Phase Charger Inverter #1: FE-AC3-10.0-E Storage Systems - Charger-Inverter Fox 10.0kW Data Sheet Fox 10.0kw Inverter Warranty   Fox ESS 3 Three-Phase AC Inverter – 10.0kW Product Overview The Fox ESS 3 Three-Phase AC Inverter is a high-performance solution for residential and small commercial installations. Designed for efficiency and reliability, this 10.0kW inverter maximises energy use from solar PV and high-voltage batteries while providing robust IP65 protection for outdoor deployment. Key Features High Voltage Compatibility – Connects to ECS2900 batteries (1 Master + 2 Slave minimum, up to 6 Slaves maximum) for maximum round-trip efficiency. Easy Installation – Flexible configuration with plug-and-play setup and built-in fuse protection. IP65 Rated – Designed for long-lasting performance in indoor or outdoor environments. Remote Monitoring – Full system monitoring via smartphone app or web portal. Scalable System – Easily expand your storage with additional high-voltage batteries. Specifications Rated Power: 10,000 W Battery Compatibility: ECS2900 High-Voltage Batteries Installation: Flexible, plug-and-play setup Protection Class: IP65 Monitoring: Wi-Fi enabled via app or web portal Maximum Battery Modules: 6 Slaves + 1 Master This inverter is ideal for users seeking efficient energy storage integration, reliable three-phase output, and easy remote monitoring for their PV and battery systems.

FOX ESS H3 Smart 6.0kW 3-Phase Hybrid/AC Inverter – 10 Yr #2: FE-H3-6.0-SMART Storage Systems | Hybrid Inverter Fox H3 Smart Inverter 6.0kW Datasheet Fox H3 Smart Inverter 6.0kW User Manual Fox H3 Smart Inverter 6.0kW Install Manual Fox H3 Smart Inverter Warranty Advanced Hybrid Inverter for Reliable 3-Phase Solar Energy Storage Product Overview The FOX ESS H3 Smart 6.0kW 3-Phase Hybrid/AC Inverter (FE-H3-6.0-SMART) is a powerful, flexible, and efficient energy storage solution designed for residential and commercial solar systems. With true 3-phase backup power, plug & play installation, and remote monitoring via app or web portal, this inverter combines cutting-edge technology with ease of use. Built for maximum performance and durability, the FOX ESS H3 Smart offers 97.2% efficiency, integrated DC switch, and compatibility with three battery types. Its IP65-rated enclosure makes it suitable for both indoor and outdoor installations, ensuring long-term reliability. Key Features Expandable & Flexible 6.0 kW rated power for residential & small commercial systems Hybrid/AC functionality for maximum installation flexibility True 3-phase backup power for stable energy supply Smart Monitoring & Connectivity Remote monitoring via FOX ESS app & web portal Plug & Play installation with built-in fuse protection Performance & Efficiency High efficiency (97.2%) for optimal energy yield IP65-rated enclosure for outdoor durability 10-year warranty for peace of mind Technical Specifications General Information Part Number: FE-H3-6.0-SMART Model: H3-6.0-Smart Weight: 34 kg Warranty: 10 years Electrical Performance Rated Power: 6,000 W Euro Efficiency: 97.2 % Max AC Power (5 min): 6,000 W Surge AC Power (1 sec): 6,600 W DC Input Min PPT Voltage: 140 V Max PPT Voltage: 1,000 V DC Startup Voltage: 140 V DC Shutdown Voltage: 1,000 V Max DC Voltage: 1,000 V Max DC Power: 13,200 W Max DC Current: 60 A Max DC Inputs: 3 MPPT Quantity: 3 Has DC Fuses: Yes (1 included) Connectors: MC4 (6 included) Design & Safety Enclosure Protection: IP65 (outdoor-ready) Integrated DC Switch: Yes Transformer: N/A (transformerless design) Applications  Residential 3-phase solar PV installations Small commercial energy storage systems Backup power solutions with true 3-phase support Flexible hybrid or AC-only solar energy setups

FOX ESS H3 Smart 8.0kW 3-Phase Hybrid/AC Inverter – 10 Yr #2: FE-H3-8.0-SMART Storage Systems | Hybrid Inverter Fox H3 Smart Inverter 8.0kW Datasheet Fox H3 Smart Inverter 8.0kW User Manual Fox H3 Smart Inverter 8.0kW Install Manual Fox H3 Smart Inverter Warranty High-Efficiency Hybrid Inverter for 3-Phase Solar Systems Product Overview The FOX ESS H3 Smart 8.0kW 3-Phase Hybrid/AC Inverter (FE-H3-8.0-SMART) is a next-generation energy storage solution designed for maximum flexibility, efficiency, and reliability. Offering true 3-phase backup power, seamless Plug & Play installation, and advanced monitoring via app or web portal, it is an ideal choice for both residential and small commercial PV systems. Built with IP65-rated protection, the H3 Smart inverter is suitable for both indoor and outdoor use. Its compatibility with multiple battery types, integrated DC switch, and high-voltage design ensures outstanding performance and efficiency in a wide range of installations. Key Features Expandable & Flexible 8.0 kW rated power for medium to large 3-phase systems Hybrid/AC functionality for flexible setups True 3-phase backup power for energy security Smart Monitoring & Connectivity Remote monitoring via app & web portal Plug & Play installation with built-in fuse protection Performance & Efficiency High round-trip efficiency (97.2%) for maximum energy yield IP65 enclosure for outdoor durability Compatible with 3 battery types for flexible storage solutions 10-year warranty included Technical Specifications General Information Part Number: FE-H3-8.0-SMART Model: H3-8.0-Smart Weight: 34 kg Warranty: 10 years Electrical Performance Rated Power: 8,000 W Max AC Power (5 min): 8,000 W Surge AC Power (1 sec): 8,800 W Max DC Power: 17,600 W Max DC Current: 60 A Max DC Inputs: 3 MPPT Quantity: 3 Euro Efficiency: 97.2 % Transformer: HF DC Input Specifications Min PPT Voltage: 140 V Max PPT Voltage: 1,000 V DC Startup Voltage: 140 V DC Shutdown Voltage: 1,000 V Max Input Voltage: 1,000 V DC Fuses: 1 included Connectors: MC4 Included Connectors: 6 Design & Safety Integrated DC Switch: Yes Installation: Plug & Play Protection Rating: IP65 (outdoor-ready) Applications  Residential 3-phase solar PV installations Small commercial energy storage projects Systems requiring true 3-phase backup power Flexible hybrid or AC-coupled solar configurations

FOX ESS H3 Smart 10.0kW 3-Phase Hybrid/AC Inverter  #2: FE-H3-10.0-SMART Storage Systems | Hybrid Inverter Fox H3 Smart Inverter 10.0kW Datasheet Fox H3 Smart Inverter 10.0kW User Manual Fox H3 Smart Inverter 10.0kW Install Manual Fox H3 Smart Inverter Warranty Product Overview The FOX ESS H3 Smart 10.0kW 3-Phase Hybrid/AC Inverter (FE-H3-10.0-SMART) is a high-performance energy storage solution designed for residential and small commercial solar installations. Offering true 3-phase backup power, plug & play installation, and remote monitoring via app or web portal, this inverter delivers reliable, efficient, and flexible energy management. Built with IP65-rated protection, a built-in DC switch, and fuse protection, the H3 Smart 10.0kW ensures durability and safety in both indoor and outdoor environments. It is compatible with three battery types for maximum installation flexibility. Key Features Expandable & Flexible Rated Power: 10.0 kW for large residential and small commercial PV systems Hybrid/AC functionality for flexible solar integration True 3-phase backup power for uninterrupted energy supply Compatible with 3 battery types for flexible storage solutions Integrated DC switch Smart Monitoring & Connectivity Remote monitoring via FOX ESS app and web portal Plug & Play installation with built-in fuse protection Performance & Efficiency High efficiency (Euro Efficiency 97.2%) for optimal energy output IP65 enclosure suitable for indoor and outdoor installation 10-year warranty included Technical Specifications General Information Part Number: FE-H3-10.0-SMART Model: H3-10.0-Smart Series: FOX ESS H3 Smart Weight: 34 kg Warranty: 10 years Electrical Performance Rated Power: 10,000 W Max AC Power (5 min): 10,000 W Surge AC Power (1 sec): 11,000 W Max DC Power: 18,000 W Max DC Current: 60 A Max DC Inputs: 3 MPPT Quantity: 3 Euro Efficiency: 97.2 % Transformer: HF DC Input Specifications Min PPT Voltage: 140 V Max PPT Voltage: 1,000 V DC Startup Voltage: 140 V DC Shutdown Voltage: 1,000 V Max Input Voltage: 1,000 V DC Fuses: 1 included Connectors: MC4 Included Connectors: 6  Applications  Residential 3-phase solar PV installations Small commercial energy storage projects Systems requiring true 3-phase backup power Flexible hybrid or AC-coupled solar configurations

FOX ESS H3 Smart 12.0kW 3-Phase Hybrid/AC Inverter – 10 Yr #2: FE-H3-12.0-SMART Storage Systems | Hybrid Inverter Fox H3 Smart Inverter 12.0kW Datasheet Fox H3 Smart Inverter 12.0kW User Manual Fox H3 Smart Inverter 12.0kW Install Manual Fox H3 Smart Inverter Warranty High-Efficiency Hybrid Inverter for 3-Phase Solar Systems Product Overview The FOX ESS H3 Smart 12.0kW 3-Phase Hybrid/AC Inverter (FE-H3-12.0-SMART) delivers high-capacity solar energy storage and efficient energy management for residential and small commercial installations. Offering true 3-phase backup power, plug & play installation, and remote monitoring via app or web portal, this inverter ensures reliable energy performance with minimal setup. Built for maximum efficiency and flexibility, the H3 Smart 12.0kW is compatible with three battery types, features an IP65-rated enclosure for outdoor use, and includes an integrated DC switch and built-in fuse protection for safe and durable operation. Key Features Expandable & Flexible Rated Power: 12.0 kW for large residential and small commercial PV systems Hybrid/AC functionality for flexible solar integration True 3-phase backup power for uninterrupted energy supply Compatible with 3 battery types for flexible storage solutions Integrated DC switch Smart Monitoring & Connectivity Remote monitoring via FOX ESS app and web portal Plug & Play installation with built-in fuse protection Performance & Efficiency High efficiency (Euro Efficiency 97.2%) for optimal energy output IP65 enclosure suitable for indoor and outdoor installation 10-year warranty included Technical Specifications General Information Part Number: FE-H3-12.0-SMART Model: H3-12.0-Smart Series: FOX ESS H3 Smart Weight: 34 kg Warranty: 10 years Electrical Performance Rated Power: 12,000 W Max AC Power (5 min): 12,000 W Surge AC Power (1 sec): 13,200 W Max DC Power: 22,500 W Max DC Current: 60 A Max DC Inputs: 3 MPPT Quantity: 3 Euro Efficiency: 97.2 % Transformer: HF DC Input Specifications Min PPT Voltage: 140 V Max PPT Voltage: 1,000 V DC Startup Voltage: 140 V DC Shutdown Voltage: 1,000 V Max Input Voltage: 1,000 V DC Fuses: 1 included Connectors: MC4 Included Connectors: 6 Design & Safety Integrated DC Switch: Yes Installation: Plug & Play Protection Rating: IP65 (suitable for outdoor installation) Monitoring: Remote via app or web portal Applications    Large residential 3-phase solar PV installations Small commercial energy storage projects Systems requiring true 3-phase backup power Flexible hybrid or AC-coupled solar configurations

Fox ESS H3 Pro 15kW 3PH Hybrid Inverter  #2: FE-H3-PRO-15.0 Storage Systems - Hybrid Inverter Fox H3 Series 15kW Datasheet Fox H3 Series 15kW Manual Fox Battery Sizing Guide Fox ESS H3 Pro 3-Phase Hybrid/AC Inverter Product Overview The FoxESS H3 Pro 3-Phase Hybrid Inverter is designed to provide high-performance, expandable energy solutions for commercial and large residential solar installations. With the ability to parallel up to 10 inverters and connect multiple battery stacks, this inverter offers flexible system scaling to meet diverse energy requirements. Key Features Expandable & Flexible Supports up to 2 stacks of Cube or EP batteries per inverter EMS required for parallel inverters (FE-H3-PRO-EMS) Easily enlarge your system based on installation needs Performance & Efficiency 3 MPPT trackers for optimised solar input Full three-phase emergency power capability Two battery inputs for convenient high-voltage battery connection Euro Efficiency: 97.3% Surge AC Power (1 second): 16,500 W Smart Monitoring & Connectivity Remote monitoring via FoxESS Cloud Wi-Fi dongle and smart meter included Modern and functional design with built-in protection Certification & Warranty G99 and G100 certified for UK grid compliance Standard 5-year warranty; extendable to 10 years by registering online with FoxESS Compatible Battery Systems Cube or EP battery series: up to 2 stacks, 7 modules per stack Compatible with: 1x FE-HV-BMS + (3–16)x FE-HV-2600 1x ECM-2900 (Master) + (2–6)x ECS-2900 (Slave) (Connector Type A & 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) Technical Specifications Weight: 52.2 kg Rated Power: 15,000 W Min / Max PPT Voltage: 160 V – 1,000 V DC Startup / Shutdown Voltage: 160 V Max DC Power: 22,500 W Max AC Power (5 Minutes): 15,000 W Surge AC Power (1 Second): 16,500 W Max DC Current: 32 A Max DC Inputs: 6 DC Fuses: 1 Connector Type: MC4 Included Connectors: 3 MPPT Quantity: 6 Integrated DC Switch: Yes Transformer: N/A Installation Notes Ensure your installation is registered online with FoxESS to activate the 10-year extended warranty. Otherwise, the standard warranty is 5 years. Please click here for registration page.

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 #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.  

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.  

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 CT Meter (compatible with AC, Hybrid & AIO ranges) #2: FE-3PH-METER-CT   Fox Secondary CT Clamp Enhance your Fox ESS installation with this Secondary CT Clamp, essential for accurate energy monitoring when a secondary CT is required. Compatible with AC Charger, Hybrid, and All In One series. Key Features Accurate Energy Monitoring: Ensures precise readings for installations requiring a secondary CT. Wide Compatibility: Works seamlessly with Fox AC Charger, Hybrid, and All In One series. Easy Installation: Designed for quick and straightforward setup. Reliable Performance: Built for long-term durability and consistent measurement. Meta Description:Fox Secondary CT Clamp – compatible with Fox AC Charger, Hybrid, and All In One series. Ensure accurate energy monitoring for your Fox ESS installation.

Fox HV BMS - Required for AC & Hybrid chargers #1: FE-HV-BMS Storage Systems - Li-ion Battery Pack Fox HV BMS V1 – Battery Management System for HV2600 Batteries Part No: FE-HV-BMS | Category: Storage Systems – Communication Module 🔋 Essential Battery Management for Fox HV2600 (V1) The Fox HV BMS V1 is a high-voltage battery management system designed exclusively for use with Fox V1 HV2600 batteries. One BMS is required per battery stack, ensuring safe operation, effective communication, and long-term reliability of your Fox Energy storage system. ⚠️ Important Compatibility Note: This BMS is only compatible with V1 HV2600 batteries and is not required for Fox AIO (All-in-One) units. It is mandatory for Fox AC Charger and Hybrid inverter systems. ⚡ Key Features ✔️ 1 BMS required per battery stack ✔️ Supports minimum of 2 HV2600 batteries per stack ✔️ Ensures safe operation and system communication ✔️ For use with AC Charger & Hybrid models only ✔️ Compact, reliable design for easy installation 📦 Technical Details Model: Fox HV BMS V1 Compatible Batteries: Fox V1 HV2600 only Application: Required for AC Charger & Hybrid systems (not AIO) Minimum Battery Stack: 2 x HV2600 ✅ Why Choose the Fox HV BMS V1? Guarantees optimal performance and long-term reliability Provides secure system communication between batteries and inverters Specifically engineered for Fox Energy V1 HV2600 storage solutions

Cable Pack for Fox ESS battery 1: FE-CABLE Storage Systems - Accessory LV5200 Battery Cable Accessory Kit The LV5200 Battery Cable Accessory Kit is designed specifically for use with the LV5200 battery model, providing the essential connections between your battery system and charger. Each LV5200 battery already includes interlink solar cables for parallel battery-to-battery connections. This accessory kit is required to connect the system to the charger. Key Information System Size ≤ 5kW: One cable pack required per system (up to 4 batteries). System Size > 5kW: One cable pack required per battery. Kit Contents 1 x Power Cable Set (Positive & Negative): 2m length with appropriate connectors 1 x RJ45 Communication Cable: 3m length for reliable system communication Benefits Simplifies installation with correctly sized and pre-configured cables Ensures safe, efficient, and reliable connections Purpose-built for LV5200 systems to guarantee compatibility

Fox HV Battery Brackets (pair) #1: FE-HV-BRACK FE-HV-BRACK Battery Rack Brackets for Fox HV2600 Ensure a safe and professional installation of your Fox HV2600 battery with the FE-HV-BRACK battery rack brackets. These brackets are engineered for durability, stability, and secure mounting, making them an essential accessory for Fox hybrid and AC inverter charger systems. 🔑 Key Features Designed for HV2600 Batteries One pair required per battery to ensure proper support and safety. Secure & Stable Installation Keeps each HV2600 battery securely in place. Prevents movement or damage during operation. System Compatibility Required for Fox hybrid and AC inverter charger systems. Not required for All-In-One (AIO) systems, making them system-specific. ⚙️ Product Details Part Number: FE-HV-BRACK Compatibility: Fox HV2600 batteries Usage: 1 pair per battery Application: Fox hybrid or AC inverter chargers (not for AIO systems) Installation: Easy to fit with a professional-grade design ✅ Why Choose FE-HV-BRACK Brackets? Battery storage systems demand reliability and safety. With the FE-HV-BRACK brackets, you ensure your Fox HV2600 batteries are mounted correctly, providing long-term stability and peace of mind.  

Fox ECS HV ECM4800-2H, 9.32kWh 1x Master 1x Slave solar battery storage #1: FE-HV-EC-2-4.8-9.6   Fox Cube EC4800 Data Sheet Fox Cube EC4800 Manual Fox Cube EC4800 Warranty Compatible with Fox HV chargers only available on our Fox HV main page Fox ECS EC4800-2H – 4.74kWh HV Battery Stack Overview The Fox ECS EC4800-2H is a high-performance, modular battery storage system designed for maximum flexibility and scalability. Ideal for residential and small commercial applications, it allows easy expansion of storage capacity while providing reliable, high-voltage energy storage. The plug-and-play design ensures fast and simple installation for professional installers. Stack Configuration Included in this kit: 1 x Master Battery – FE-HV-ECM-4800, 4.74kWh HV 1 x Slave Battery – FE-HV-ECS-4800, 4.74kWh HV Maximum Stack Size: 7 modules (1 Master + 6 Slaves) Scalable Capacity: Up to 33.24kWh Key Features 4.74kWh capacity per module 90% depth of discharge for maximum usable energy Wide temperature tolerance for reliable performance in harsh conditions CAN/RS485 communication for system monitoring High voltage design for efficient energy transfer Quick and easy installation with plug-and-play setup Technical Specifications Weight: 82 kg Battery Type: Lithium Ion Nominal Energy: 9,320 Wh (Master + Slave) Voltage: 89 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 This battery stack is perfect for users seeking a scalable, high-performance energy storage solution with flexible installation options and robust, reliable operation.

Fox EQ HV EQ4800-L2, 9.32kWh 1x Master 1x Slave #2: FE-HV-EQ-2-4.8-9.6 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 system designed for both residential and commercial energy applications. Its modular design allows for flexible system expansion, making it ideal for a broad range of storage needs. Additional modules can be added to achieve a maximum storage capacity of 41.94 kWh. Warranty Reminder: To activate the full 12-year product warranty, you must register your installation with Fox online. Otherwise, the standard warranty is 5 years. Fox EQ4800 4.66kWh Stack of 2 – 9.32kWh Useable Storage This kit includes: 1 x Fox EQ4800 4.66kWh HV Battery (Master) – FE-HV-EQM-4800 1 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: 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 performance in diverse environments Advanced Communication: CAN/RS485 connectivity for smart energy systems High Voltage Operation: Supports faster charging and discharging Technical Specifications Weight: 83.5 kg Rated Power: 4,800 W Battery Type: Lithium-Ion (LiFePO4) Nominal Energy: 9,320 Wh Depth of Discharge: 90% Voltage: 89 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 386 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 new battery modules match existing Energy Cube stacks Professional Installation: Must be installed by a qualified electrician ✅ The Fox EQ4800 is a modular, high-performance energy storage solution, perfect for homeowners and businesses seeking reliable, scalable solar storage 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.