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

For a bespoke quote, please complete our quote form,

To view our installed battery packages please visit our collection here

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Installed Fox 3.7-6kW Hybrids | EP5/11 IP65 battery Options | Floor/Wall Mounted | Outdoor | Heating Element | Ave Β£316/kW from Β£3,424.00 + VAT
Fully Installed Fox Hybrid Inverter Kits with EP5/EP11 Outdoor Battery Storage Options To view our full range of installed battery storage packages visit our collection pageΒ here To request a bespoke quote please complete our quotes form Nationwide Solar & Battery Installations Across the UK We provide professional solar and battery storage installations nationwide across most areas of the UK. Every system is fully certified and installed by qualified engineers, giving you peace of mind and long-term reliability. #5: INSTALLED-FOX-EP5/11-IP65 Storage Systems - Hybrid Inverter FOX ESS EP5 Data Sheet FOX ESS EP11 Data Sheet Please view ourΒ battery storage information page for sizing and selecting the right battery storage system for you. Fox ESS collection page for further information and documents OurΒ Fox hybrid inverter kits feature 3.7–6kWh hybrid inverters paired with EP5 or EP11 IP65-rated battery storage, suitable for outdoor installation and equipped with a heating element for cold weather operation. These kits allow charging from both solar panels and the electrical grid, offering a flexible, high-performance energy storage solution for UK homes and businesses. ⚠️ Note: EP series batteries are only compatible with the same model/size. EP Series Battery Features High-performance, scalable energy storage for a variety of applications Supports 90% depth of discharge (DoD) for maximum usable energy Scalable up to 4 batteries to increase system capacity Floor or wall mounting – compact and easy to install IP65-rated for reliable outdoor use High voltage and high efficiency for optimal energy management Integrated heating element for low-temperature environments Backed by a 10-year warranty EP5 Battery Specifications Weight: 50.5kg Nominal Energy: 5,180Wh Nominal Voltage: 192V Maximum Charge/Discharge Current: 27A Dimensions: 380 x 625 x 147 mm (W x H x D) EP11 Battery Specifications Weight: 100kg Nominal Energy: 10,360Wh Depth of Discharge: 90% Nominal Voltage: 384V Maximum Charge/Discharge Current: 27A Recommended Charge Current: 13.5A Dimensions: 70 x 625 x 147 mm (W x H x D) Why Choose Fox Hybrid Kits with EP Batteries? Flexible hybrid charging from solar panels or the grid Reliable outdoor performance with IP65 rating and heating element Scalable energy storage – expand capacity to meet growing needs Compact and easy to install – floor or wall mounting options Long-term reliability with a 10-year warranty Β 
Installed Fox 7-8kW Hybrids | EP5/11 IP65 battery Options | Floor/Wall Mounted | Outdoor | Heating Element | Ave Β£328/kW from Β£4,658.00 + VAT
Fully Installed Fox Hybrid Inverter Kits with EP5/EP11 Battery Storage Options Β  To view our full range of installed battery storage packages visit our collection page here To request a bespoke quote please complete our quotes form Nationwide Solar & Battery Installations Across the UK We provide professional solar and battery storage installations nationwide across most areas of the UK. Every system is fully certified and installed by qualified engineers, giving you peace of mind and long-term reliability. FOX ESS EP5 Data Sheet FOX ESS EP11 Data Sheet Please view ourΒ battery storage information page for sizing and selecting the right battery storage system for you. Fox ESS collection page for further information and documents Fox Hybrid Inverter Kits with EP5/EP11 Battery Storage Our Fox hybrid inverter kits come with 3.7–6kWh hybrid inverters paired with EP5 or EP11 IP65-rated battery storage, suitable for outdoor installation and equipped with a heating element for cold climates. These kits allow charging from both solar panels and the grid, making them a flexible solution for residential and commercial energy storage applications. ⚠️ Please note: EP series batteries are only compatible with the same model/size. EP Series Battery Features High-performance, scalable storage for a wide range of applications Supports 90% depth of discharge for maximum energy use Scalable up to 4 batteries for increased capacity Floor or wall mounting – compact and easy to install IP65 rating – suitable for outdoor use High voltage and high efficiency Integrated heating element for low-temperature environments 10-year warranty for peace of mind EP5 Battery Specifications Weight: 50.5kg Nominal Energy: 5,180Wh Nominal Voltage: 192V Maximum Charge/Discharge Current: 27A Dimensions: 380 x 625 x 147 mm (W x H x D) EP11 Battery Specifications Weight: 100kg Nominal Energy: 10,360Wh Depth of Discharge: 90% Nominal Voltage: 384V Maximum Charge/Discharge Current: 27A Recommended Charge Current: 13.5A Dimensions: 70 x 625 x 147 mm (W x H x D) Why Choose Fox Hybrid Kits with EP Batteries? Flexible hybrid charging – from solar panels or the electrical grid Reliable outdoor performance – IP65-rated and with heating element Scalable storage – expand capacity to meet growing energy needs Compact and easy to install – wall or floor mounted Long-term reliability – backed by 10-year warranty Β 
2 Reviews Fox ESS High Voltage complete kit: 2 x HV2600 V2 2.6kWh & Fox AC 5.0kW charger Β£1,941.00 + VAT
Fox HV complete kit: 2 x HV2600 V2 2.6kWh + BMS + Fox AC 5.0kW charger + brackets Fox AC 5.0kW Charger Kit with HV2600 V2 Batteries Complete Kit Includes 1 x FE-AC1-5.0 – Fox AC 5.0kW Charger Inverter 2 x FE-HV2600-V2 – HV2600 2.6kWh High Voltage Batteries 1 x FE-HV-BMS-V2 – Fox HV V2 Battery Management System 3 x FE-HV-BRACK – Fox HV Battery Brackets (pair) Supports up to 7 batteries per charger, allowing scalable storage capacity for your installation. HV2600 V2 Battery Module Type: Lithium-Ion Nominal Energy: 2,560 Wh Depth of Discharge: 90% Voltage: 48 V Continuous Discharge Rate: 2,560 W Maximum Discharge Rate (5 min): 3,000 W Surge Discharge Rate (15 sec): 3,600 W Maximum Charge Rate (5 min): 2,560 W Weight: 30.2 kg Features: Scalable modular design for flexible storage Plug-and-play installation for quick setup Maximum stackable capacity: 18.2 kWh Fox AC 5.0kW Charger Inverter Compatibility: Designed for HV2600 V2 high voltage batteries IP Rating: IP65, suitable for outdoor use Monitoring: Remote monitoring via smartphone or web portal Dual MPPT: Optimises solar energy harvest Efficiency: High round-trip efficiency of 97% Expandable: Easy to add additional batteries to increase capacity Includes: CT clamps and meter for system monitoring Notes: Minimum of 2 x HV2600 batteries required for BMS operation Supports integration with solar PV and grid for flexible charging options This kit is ideal for residential or small commercial installations seeking a scalable, high-efficiency battery storage solution.
Fox ESS H1 3.7kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) Β£2,754.00 + VAT
Fox ESS H1 3.7kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) #2: FE-HV-ECM-4100 Storage Systems - Li-ion Battery Pack Fox H1 3.7kW Datasheet Fox H1 3.7kW Manual Fox H1 3.7kW Installer Guide Fox H1 3.7kW G100 Certification Fox Warranty Fox Battery Sizing Guide Fox ECS 4.03kWh HV Battery + Fox H1 3.7kW Hybrid Inverter Complete Kit This complete solar storage kit combines Fox ECS 4.03kWh High-Voltage Batteries (Master + Slave) with a Fox H1 3.7kW Hybrid Inverter G2, delivering a scalable, efficient, and plug-and-play energy solution. Designed for residential and small commercial solar systems, this kit maximises solar self-consumption and allows for future expansion. ⚠️ Warranty Reminder: Register your install with Fox online to activate the 12-year battery warranty. Otherwise, a standard 5-year warranty applies. What’s Included 1 x Fox ECS 4.03kWh HV Battery (Master) – FE-HV-ECM-4100 1 x Fox ECS 4.03kWh HV Battery (Slave) – FE-HV-ECS-4100 1 x Fox H1 3.7kW Hybrid Inverter G2 – FE-H1-3.7-G2 Accessories included: CT clamps, WiFi stick ⚠️ Additional requirements: A second CT if connecting another generator source (e.g., PV or wind) Meter installation required if the inverter and main connection point are more than 30m apart Fox ECS 4.03kWh HV Battery – Features Modular and scalable – up to 28.21kWh total storage 90% depth of discharge – maximises usable energy Wide temperature tolerance – reliable performance in varied climates Plug-and-play installation – quick setup, expandable post-installation CAN/RS485 communication – supports system monitoring and integration High-voltage design – efficient energy transfer and reduced cabling Specifications: Weight: 38.25 kg Battery Type: Lithium-Ion Nominal Energy: 4,050 Wh Voltage: 52 V Continuous Discharge Rate: 2,875 W Max Discharge Rate (5 min): 2,875 W Surge Discharge Rate (15 sec): 2,875 W Maximum Charge Rate (5 min): 2,875 W Minimum Modules Required: 2 (Master + Slave) Maximum Stack Size: 7 modules (1 Master + 6 Slaves) Fox H1 3.7kW Hybrid Inverter – Features Easy installation – compact, lightweight, and simple to mount IP65 rated – suitable for outdoor installations Dual MPPT – ensures optimal solar production High round-trip efficiency – 97% for maximum energy utilisation Expandable system – supports up to 7 batteries in series, for a maximum storage capacity of 33.24kWh Remote monitoring – via smartphone or web portal Specifications: Weight: 22 kg Rated Power: 3,680 W 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 min): 5,500 W Max AC Power (5 min): 3,680 W Surge AC Power (1 sec): 4,400 W Max DC Current: 32 A Max DC Inputs: 2 Connector Type: MC4 Included Connectors: 4 Euro Efficiency: 95.7% Transformer: None MPPT Quantity: 2 Integrated DC Switch: Yes Warranty: 5 years Why Choose This Complete Kit? Scalable energy storage – add additional ECS modules to meet future energy needs Efficient hybrid inverter – dual MPPT ensures maximum solar harvesting Plug-and-play system – quick installation and easy setup Remote monitoring – track system performance via web or smartphone IP65 rated components – durable for indoor or outdoor installation βœ… The Fox ECS 4.03kWh + Fox H1 3.7kW Hybrid Inverter Kit is a high-efficiency, scalable solar solution, combining modular energy storage, advanced hybrid inverter technology, and easy installation for residential and small commercial applications. Remember to register your install with Fox online to activate the 12 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 H1 5.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) Β£2,761.00 + VAT
Fox ESS H1 5.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) #2: FE-H1-5.0-G2-ECS4100-WG Fox H1 5.0kW Datasheet Fox H1 5.0kW Manual Fox H1 5.0kW Installer Guide Fox Warranty Fox Battery Sizing Guide Fox ECS 4.03kWh HV Battery + Fox H1 5.0kW Hybrid Inverter Complete Kit This all-in-one energy storage and hybrid inverter kit from Fox provides a ready-to-install solar storage solution for residential and small commercial applications. The kit includes a Fox ECS 4.03kWh High-Voltage Battery (Master and Slave) and a Fox H1 5.0kW Hybrid Inverter G2, offering a scalable, efficient, and plug-and-play system to maximise solar self-consumption. With dual MPPT, high round-trip efficiency, and remote monitoring, this kit ensures optimal energy harvesting and flexible storage expansion. What’s Included 1 x Fox ECS 4.03kWh HV Battery (Master) – FE-HV-ECM-4100 1 x Fox ECS 4.03kWh HV Battery (Slave) – FE-HV-ECS-4100 1 x Fox H1 5.0kW Hybrid Inverter G2 – FE-H1-5.0-G2 Accessories included: CT clamps, WiFi stick ⚠️ Additional requirements: A second CT if connecting another generator source (e.g., PV or wind) Meter installation required if the inverter and main connection point are more than 30m apart Fox ECS 4.03kWh HV Battery – Features Modular and scalable – up to 28.21kWh of total storage 90% depth of discharge – maximises usable energy Wide temperature tolerance – reliable performance in varied climates Plug-and-play installation – quick setup, expandable post-installation CAN/RS485 communication – allows system monitoring and integration High-voltage design – efficient energy transfer Specifications: Weight: 38.25 kg Battery Type: Lithium-Ion Nominal Energy: 4,050 Wh Voltage: 52 V Continuous Discharge Rate: 2,875 W Max Discharge Rate (5 min): 2,875 W Surge Discharge Rate (15 sec): 2,875 W Max Charge Rate (5 min): 2,875 W Fox H1 5.0kW Hybrid Inverter G2 – Features Easy to install – compact and lightweight IP65 rated – suitable for outdoor installations Dual MPPT – ensures optimal solar production High round-trip efficiency – 97% for maximum energy utilisation Remote monitoring – via smartphone or web portal Included accessories: CT clamps and WiFi stick 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 min): 7,500 W Max AC Power (5 min): 5,000 W Surge AC Power (1 sec): 5,500 W Max DC Current: 32 A Max DC Inputs: 2 MPPT Quantity: 2 Euro Efficiency: 97% Transformer: None Integrated DC Switch: Yes Warranty: 5 years Why Choose This Complete Kit? Scalable energy storage – add more ECS modules to increase capacity High-efficiency hybrid inverter – ensures maximum solar energy utilisation Plug-and-play system – reduces installation time and complexity Remote monitoring – track and control your energy system easily IP65 rated design – durable for indoor or outdoor installation βœ… The Fox ECS 4.03kWh + Fox H1 5.0kW Hybrid Inverter Kit is a complete, high-efficiency solar storage solution, combining flexible energy storage, advanced inverter technology, and easy installation for residential and small commercial solar systems. Remember to register your install with Fox online to activate the 12 year product warranty, otherwise it's 5 years as standard. Please click here for registration page.Please check the warranty document for more information.Β 
Fox ESS H1 6.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) Β£2,801.00 + VAT
Fox ESS H1 6.0kW G2 Hybrid Inverter with ECS4100 Battery stack of 2 (8.06kWh) #2: FE-H1-6.0-G2-ECS4100-WG Fox H1 6.0kW Datasheet Fox H1 6.0kW Manual Fox H1 6.0kW Installer Guide Fox H1 6.0kW G100 Certification Fox Warranty Fox Battery Sizing Guide Fox ECS 4.03kWh HV Battery + Fox H1 6.0kW Hybrid Inverter Complete Kit This complete solar storage kit combines high-performance Fox ECS 4.03kWh HV Batteries (Master + Slave) with a Fox H1 6.0kW Hybrid Inverter G2, delivering a scalable, efficient, and easy-to-install energy solution. Ideal for residential or small commercial solar systems, this kit maximises self-consumption and allows for future expansion. With dual MPPT technology, high round-trip efficiency, and remote monitoring, this system ensures optimal energy usage from your solar panels. What’s Included 1 x Fox ECS 4.03kWh HV Battery (Master) – FE-HV-ECM-4100 1 x Fox ECS 4.03kWh HV Battery (Slave) – FE-HV-ECS-4100 1 x Fox H1 6.0kW Hybrid Inverter G2 – FE-H1-6.0-G2 Accessories included: CT clamps, WiFi stick ⚠️ Additional requirements: A second CT if connecting another generator source (e.g., PV or wind) Meter installation required if the inverter and main connection point are more than 30m apart Fox ECS 4.03kWh HV Battery – Features Modular and scalable – up to 28.21kWh of total storage 90% depth of discharge – maximises usable energy Wide temperature tolerance – reliable in various climates Plug-and-play installation – quick setup and easy expansion post-installation CAN/RS485 communication – allows system monitoring and integration High-voltage design – efficient energy transfer and reduced cabling Specifications: Weight: 38.25 kg Battery Type: Lithium-Ion Nominal Energy: 4,050 Wh Voltage: 52 V Continuous Discharge Rate: 2,875 W Maximum Discharge Rate (5 min): 2,875 W Surge Discharge Rate (15 sec): 2,875 W Maximum Charge Rate (5 min): 2,875 W Minimum Modules Required: 2 (Master + Slave) Maximum Stack Size: 7 modules (1 Master + 6 Slaves) Fox H1 6.0kW Hybrid Inverter – Features Easy installation – compact and lightweight design IP65 rated – suitable for outdoor installations Dual MPPT – ensures optimal solar production High round-trip efficiency – 97% for maximum energy utilisation Expandable system – supports up to 7 batteries in series for a maximum storage capacity of 33.24kWh Remote monitoring – via smartphone or web portal Specifications: Weight: 23 kg Rated Power: 6,000 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 min): 9,900 W Max AC Power (5 min): 6,000 W Surge AC Power (1 sec): 6,600 W Max DC Current: 32 A Max DC Inputs: 2 Connector Type: MC4 Included Connectors: 4 Euro Efficiency: 97% Transformer: None MPPT Quantity: 2 Integrated DC Switch: No Warranty: 5 years Why Choose This Complete Kit? Scalable energy storage – expand with additional ECS modules to meet future energy needs Efficient hybrid inverter – dual MPPT ensures maximum solar energy harvesting Plug-and-play design – quick installation and easy setup Remote monitoring – control and track your system performance IP65 rated components – reliable for indoor or outdoor installation βœ… The Fox ECS 4.03kWh + Fox H1 6.0kW Hybrid Inverter Kit is a flexible, high-efficiency solar solution, combining modular energy storage, advanced hybrid inverter technology, and easy installation for residential and small commercial solar systems. Remember to register your install with Fox online to activate the 12 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 20.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) Β£9,746.00 + VAT
Fox ESS H3 Pro 20.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) #2: FE-H3-PRO-20.0-ECS4300-WG Fox H3 Series 20kW Datasheet Β  Fox H3 Pro 20kW 3-Phase Hybrid Inverter & HV Battery Bundle This Fox H3 Pro bundle is a complete high-voltage hybrid storage solution, ideal for residential and small commercial sites. Designed for easy expansion and high efficiency, it combines the 20kW H3 Pro inverter with Fox ECS 4.14kWh HV batteries, delivering scalable energy storage and smart monitoring. Bundle Includes: 1 x Fox ECS 4.14kWh HV Battery (Master) – FE-HV-ECM-4300 6 x Fox ECS 4.14kWh HV Battery (Slave) – FE-HV-ECS-4300 1 x Fox H3 Pro 20kW Hybrid Inverter – FE-HV-PRO-20.0 Smart meter & WiFi dongle included Important: Register your installation with Fox online to activate the 12-year battery warranty. Otherwise, the default warranty is 5 years. Key Features: Plug-and-Play Installation – easy and fast setup Full Three-Phase Emergency Power Capability – reliable backup power Dual Battery Inputs – simplifies high-voltage battery connection Triple MPPT Trackers – ensures optimal PV performance Remote Monitoring – via FoxESS Cloud Expandable Storage – supports up to 86.4 kWh High Voltage Design – maximizes round-trip efficiency Scalable System – connect up to 10 storage inverters in parallel Battery Stack Limit: Maximum of 2 stacks with 7 modules per stack 1 Master + 6 Slaves per stack β†’ Total: 2 Masters + 12 Slaves Technical Specifications: Combined Weight: 320.6 kg Rated Power: 20,000 W Min PPT Voltage: 160 V | Max PPT Voltage: 1,000 V DC Startup/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 | Max DC Inputs: 6 DC Fuses: 1 | Connector Type: MC4 | Included Connectors: 12 Euro Efficiency: 97.4% | Transformer: None MPPT Quantity: 3 | Integrated DC Switch: Yes The Fox H3 Pro 20kW Hybrid Inverter & ECS HV Battery Bundle delivers flexible, scalable energy storage with remote monitoring and high efficiency, making it a reliable choice for modern solar PV systems. Please click here for registration page. Please check the warranty document for more information.
Fox ESS H3 Pro 25.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) Β£10,010.00 + VAT
Fox ESS H3 Pro 25.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) 2: FE-H3-PRO-25.0-ECS4300 Fox H3 Series 25kW Datasheet Β  Fox H3 Pro 25kW 3-Phase Hybrid Inverter Bundle – Complete Energy Storage Solution This complete Fox H3 Pro 25kW hybrid inverter bundle is ideal for residential or small commercial 3-phase installations, offering high-performance, scalable energy storage with up to 25kW charge/discharge. With multiple battery series options, storage capacity can be expanded, and up to 10 inverters can be connected in parallel, giving full flexibility to scale your system. Important: Register your installation with Fox online to activate the 12-year battery warranty. Otherwise, the default warranty is 5 years. Bundle Includes: 1 x Fox ECS 4.14kWh HV Battery (Master) – FE-HV-ECM-4300 6 x Fox ECS 4.14kWh HV Battery (Slave) – FE-HV-ECS-4300 1 x Fox H3 Pro 25kW Hybrid Inverter – FE-HV-PRO-30.0 Key Features: Plug-and-Play Installation – Quick and hassle-free setup Full Three-Phase Emergency Power – Reliable backup for critical loads Dual Battery Inputs – Simplifies high-voltage battery connections 3 MPPT Trackers – Optimized energy harvesting from solar panels Remote Monitoring – Access system status via FoxESS Cloud Expandable Battery Capacity – Add modules as your energy needs grow High Voltage Design – Maximum round-trip efficiency Included Accessories – Smart meter and WiFi dongle Warranty – 5-year standard, 10-year extended System Configuration: Maximum Stacks: 2 Modules per Stack: 7 (1 Master + 6 Slaves) Total Maximum Modules: 2 Masters + 12 Slaves Technical Specifications: Combined Weight: 325.6 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 Pro 25kW bundle is a highly flexible and reliable energy storage solution, perfect for future-proofing your solar setup with maximum efficiency, scalability, and remote monitoring capabilities. Remember to register your install with Fox online to activate the 12 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 30.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) Β£10,274.00 + VAT
Fox ESS H3 Pro 30.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh) 2: FE-H3-PRO-30.0-ECS4300-WG Fox H3 Series 30kW Datasheet Β  Fox H3 Pro 30kW 3-Phase Hybrid Inverter & HV Battery Bundle This Fox H3 Pro 30kW bundle is a complete high-voltage hybrid storage solution designed for residential and small commercial sites. With up to 30kW charge/discharge capacity, this system is fully scalable, allowing you to add batteries and expand storage up to 86.4 kWh. The system can also support up to 10 inverters in parallel, giving ultimate flexibility for larger installations. Bundle Includes: 1 x Fox ECS 4.14kWh HV Battery (Master) – FE-HV-ECM-4300 6 x Fox ECS 4.14kWh HV Battery (Slave) – FE-HV-ECS-4300 1 x Fox H3 Pro 30kW Hybrid Inverter – FE-HV-PRO-30.0 Smart meter & WiFi dongle included Important: Register your installation with Fox online to activate the 12-year battery warranty. Without registration, the default warranty is 5 years. Key Features: Plug-and-Play Installation – fast and easy setup Full Three-Phase Emergency Power – reliable backup capability Dual Battery Inputs – simplifies connection of high-voltage batteries Triple MPPT Trackers – optimises solar PV generation Remote Monitoring – via FoxESS Cloud Expandable Battery Capacity – scale storage up to 86.4 kWh High Voltage Design – maximises round-trip efficiency Smart Meter & WiFi Dongle Included Extended Warranty – 5 years standard, 10 years extended Battery Stack Limit: Maximum of 2 stacks per inverter 7 modules per stack β†’ 1 Master + 6 Slaves per stack Total: 2 Masters + 12 Slaves Technical Specifications: Combined Weight: 325.6 kg Rated Power: 30,000 W Min PPT Voltage: 160 V | Max PPT Voltage: 1,000 V DC Startup/Shutdown Voltage: 160 V Max 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 | Max DC Inputs: 6 DC Fuses: 1 | Connector Type: MC4 | Included Connectors: 12 Euro Efficiency: 97.4% | Transformer: None MPPT Quantity: 3 | Integrated DC Switch: Yes The Fox H3 Pro 30kW Hybrid Inverter & ECS HV Battery Bundle delivers a high-performance, scalable energy storage solution with remote monitoring and full three-phase backup, ideal for modern solar PV installations. Remember to register your install with Fox online to activate the 12 year product warranty, otherwise it's 5 years as standard. Please click here for registration page. Please check the warranty document for more information. Β 
Installed Fox 9-10.5kW Hybrids | EP11 IP65 battery Options | Floor/Wall Mounted | Outdoor | Heating Element | Ave Β£281/kW from Β£4,681.00 + VAT
Fully Installed Fox Hybrid Inverter Kits with EP11 Battery Storage Options Β  To view our full range of installed battery storage packages visit our collection page here To request a bespoke quote please complete our quotes form Nationwide Solar & Battery Installations Across the UK We provide professional solar and battery storage installations nationwide across most areas of the UK. Every system is fully certified and installed by qualified engineers, giving you peace of mind and long-term reliability. Fox ESS K Series Hybrid Datasheet FOX ESS EP11 Data Sheet Β  Please view ourΒ battery storage information page for sizing and selecting the right battery storage system for you. Fox ESS collection page for further information and documents Fox Hybrid Inverter Kits with EP11 Battery Storage Our Fox hybrid inverter kits come with 9–10.5kWh hybrid inverters paired withΒ EP11 IP65-rated battery storage, suitable for outdoor installation and equipped with a heating element for cold climates. These kits allow charging from both solar panels and the grid, making them a flexible solution for residential and commercial energy storage applications. ⚠️ Please note: EP series batteries are only compatible with the same model/size. EP Series Battery Features High-performance, scalable storage for a wide range of applications Supports 90% depth of discharge for maximum energy use Scalable up to 4 batteries for increased capacity Floor or wall mounting – compact and easy to install IP65 rating – suitable for outdoor use High voltage and high efficiency Integrated heating element for low-temperature environments 10-year warranty for peace of mind EP11 Battery Specifications Weight: 100kg Nominal Energy: 10,360Wh Depth of Discharge: 90% Nominal Voltage: 384V Maximum Charge/Discharge Current: 27A Recommended Charge Current: 13.5A Dimensions: 70 x 625 x 147 mm (W x H x D) Why Choose Fox Hybrid Kits with EP Batteries? Flexible hybrid charging – from solar panels or the electrical grid Reliable outdoor performance – IP65-rated and with heating element Scalable storage – expand capacity to meet growing energy needs Compact and easy to install – wall or floor mounted Long-term reliability – backed by 10-year warranty Β 

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