Fox ESS is a leading provider of renewable energy technologies and energy storage solutions, specialising in photovoltaic (PV) systems and battery storage. Founded with a vision to drive energy efficiency and sustainability, Fox ESS delivers innovative products designed for both residential and commercial applications.

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Fox ESS H3 Pro | 20kW 3PH | Hybrid Inverter Β£2,120.00 + 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. Β 
Fox ESS H3 Pro | 25kW 3PH | Hybrid Inverter Β£2,373.00 + 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 Β  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 parallelβ€”up to 10 unitsβ€”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. Β 

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