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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Solis Single Phase 3.6kW Low Voltage AC-Coupled Inverter | AI-Powered | IP66 £510.00 + VAT
Solis Single Phase 3.6kW Low Voltage AC-Coupled Inverter #2: SOL-S6-EA1P3.6K-L Storage Systems - Charger-Inverter Solis S6 3.6kW  Data Sheet Solis S6 3.6kW User Manual Solis Product Compatibility  Solis S6 3.6kW Warranty 5yr extended warranty available here Solis 3.6kW Single Phase Low Voltage AC-Coupled Inverter The Solis 3.6kW Single Phase AC-Coupled Inverter is designed for residential and small commercial solar energy systems, offering intelligent battery management, flexible operation, and advanced protection features. Optimised for AC-coupled setups, it ensures efficient energy use while extending battery life. Solis Meter 1ph Eastron with external CT - SDM120CT recommended for accurate energy reading Key Features Peak Shaving Mode: Industry-leading functionality with a max 125A / 6kW charge/discharge rating. Time-of-Use Optimisation: Works with monitoring systems to provide intelligent scheduling for energy consumption. Enhanced Battery Protection: Extended battery lifespan with advanced operational features, real-time monitoring, and battery healing functions. Wide Battery Compatibility: Supports 40–60V battery voltage range. Remote Capabilities: Firmware updates and monitoring can be performed remotely. Durable Design: IP66 ingress protection ensures suitability for various installation environments. Technical Specifications Rated Power: 3.6 kW Weight: 19.9 kg Battery Voltage Range: 40–60 V Ingress Protection: IP66 The Solis 3.6kW Low Voltage AC-Coupled Inverter is ideal for homeowners seeking reliable, efficient solar power management with maximised battery life and smart operational features.    
Solis Single Phase 5kW AC Coupled Inverter | AI Optimised £556.00 + VAT
Solis Single Phase 5kW AC-Coupled Inverters #2: SOL-S6-EA1P5K-L Storage Systems - Charger-Inverter Solis S6 5kW  Data Sheet Solis S6 5kW User Manual Solis Product Compatibility  Solis S6 5kW Warranty  5yr extended warranty available here Solis Single Phase 5kW Low Voltage AC-Coupled Inverter | AI Optimised  The Solis 5kW Low Voltage AC-Coupled Inverter is designed for reliable, efficient home energy storage and solar integration. Perfect for single-phase installations, this inverter ensures safe, flexible, and high-performance operation with modern lithium-ion battery systems. Solis Meter 1ph Eastron with external CT - SDM120CT recommended for accurate energy reading Key Features High charge/discharge capacity: 125A / 6kW maximum rating. Flexible charging schedules: Supports 6 different battery charging and discharging times. Real-time battery monitoring: Keep track of battery health and performance. Remote upgrades: Easily update firmware via internet connectivity. Peak shaving support: Optimise energy use in self-use and generator modes. Low standby power: Minimises overall system energy consumption. Enhanced battery protection: Prolongs battery lifespan and ensures safe operation. Specifications Rated Power: 5,000 W Weight: 24.5 kg Max Current: 40 A Number of Phases: Single-phase (1) Compatibility: Works with Solis Low Voltage AC-coupled battery systems    
Fox AC 3.7kW High Voltage Charger Inverter £607.00 + VAT
Fox AC 3.7kW Charger Inverter  #1: FE-AC1-3.7 Storage Systems - Charger-Inverter Fox 3.7kW Data Sheet Fox 3.7kW Inverter User Manual Fox 3.7kw Inverter Warranty Fox 3.7kw Inverter G100 Certificate FoxESS High Voltage Battery Management System (BMS) Ensure safe, efficient, and optimised battery performance with the FoxESS High Voltage BMS Unit, designed to seamlessly manage Fox EP5/11, HV2600 and Cube battery systems. Key Features Compatible Batteries: Fox HV2600 & Cube batteries Minimum Requirement: 2 x HV2600 batteries required for operation IP65 Rated: Suitable for outdoor installations Remote Monitoring: Access battery status and performance via smartphone or web portal Expandable: Easily add more batteries to grow your storage system Dual MPPT: Optimises solar production for maximum efficiency High Round-Trip Efficiency: 97% for superior energy retention Included Accessories: CT Clamp for installation and monitoring Benefits Easy Installation: Saves time with plug-and-play setup Reliable Safety: Monitors and protects your battery system automatically Scalable: Supports system expansion without hassle The FoxESS HV BMS Unit is the perfect companion for your high-voltage Fox battery storage system, combining safety, efficiency, and smart monitoring in a single compact unit.  
Fox AC 5.0kW High Voltage Charger Inverter £640.00 + VAT
Fox AC 5.0kW Charger Inverter #1: FE-AC1-5.0 Storage Systems - Charger-Inverter Fox 5.0kW Data Sheet Fox 5.0kW Inverter User Manual Fox 5.0kw Inverter Warranty Fox 5.0kw Inverter G100 Certificate   Fox AC Charger Inverter  – Efficient & Expandable The Fox charger is designed for seamless integration into your solar setup. With a user-friendly installation process, this system reduces installation time and provides reliable energy management. Remote monitoring is available via your smartphone or the web portal, giving you full control and visibility wherever you are. Key Features Battery Compatibility: Works with Fox HV2600 and Cube batteries Durable & Weatherproof: IP65 rating makes it suitable for outdoor installation Remote Monitoring: Access via smartphone app or web portal Scalable Solution: Easily expand battery capacity as your energy needs grow Dual MPPT: Ensures optimal solar generation and system performance High Efficiency: Round-trip efficiency of up to 97% Safety First: Requires BMS unit and a minimum of 2 x HV2600 batteries Accessories Included: Comes with CT Clamp for monitoring grid import/export  
SolaX X1-FIT G4 7.5kw (AC Coupled Inverter) £670.00 + VAT
SolaX X1-FIT G4 7.5W (AC Coupled Inverter) #3: 4578 Sola X1 FIT Data Sheet Solax X1 FIT User Manual Solax X1 FIT Warranty Solax X1 FIT G99 Certification   SolaX X1-FIT G4 7.5kW (AC Coupled Inverter) The SolaX X1-FIT G4 7.5kW AC Coupled Inverter Charger is designed to upgrade existing solar PV systems with reliable battery storage functionality. Compatible with any single-phase inverter brand, it delivers up to 97% efficiency and is built for both indoor and outdoor installations. With remote monitoring via the SolaX Cloud, homeowners can optimise energy usage and maximise savings. Benefits of the SolaX X1-FIT G4 Store excess solar energy for later use, reducing grid reliance Provides emergency power supply (EPS) during power cuts Compact, lightweight design with IP65 weatherproof rating Supports grid trading applications with rapid response times Compatible with high-voltage batteries, reducing cabling costs Advanced Features High Performance & Efficiency Max. efficiency: 97% Max. 7.5kW power output with 40A current AC attributes: Single-phase, 7500W max power Smart Energy Management VPP (Virtual Power Plant) function for smart grid trading Remote firmware upgrades and control Flexible peak shaving to balance grid demand Charging from the grid supported Reliable & Low Maintenance Natural cooling system for quiet operation Robust IP65 rating for indoor/outdoor use WiFi or LAN connectivity options available separately Technical Specifications AC Attributes Max Power: 7500W Max Current: 40A Phases: 1 System Performance Max Efficiency: 97% IP Rating: IP65 Weight: 23kg Dimensions: 482 × 417 × 181mm For a full list of SolaX products click here.
SolaX X3-FIT G4 8kW (3ph AC Coupled Inverter) £980.00 + VAT
SolaX X3 RetroFit AC Coupled Battery 3ph Inverter 8kW #2: X3-FIT-8#3: 4748 Solax X3 8kW Inverter Data Sheet Solax X3 8kW Inverter User Manual Solax X3 8kW Inverter Warranty Solax X3 Inverter G99 Certification SolaX X3-FIT Series 3-Phase AC Coupled Hybrid Inverter Product Overview The SolaX X3-FIT Series is a fourth-generation, 3-phase AC coupled hybrid inverter designed for maximum solar energy utilisation. This retro-fit inverter directs excess solar energy into your battery for later use and can act as a backup power supply during grid outages, sending stored energy back to your home. Key Features Virtual Power Plant (VPP) Function Supports VPP integration for smart energy management Emergency Power Supply (EPS) Switchover time <10ms Provides up to 150% output for 60 seconds during power loss Flexible Energy Management Max. 110% nominal apparent AC power Flexible peak shaving for optimised energy use Optional three-phase unbalanced output Connectivity Compatible with WiFi V2.0 for SolaX Cloud monitoring WiFi stick required for remote monitoring Installation Notes For G100 applications, a software update is recommended Recommended use with SolaX CHINT three-phase CT energy meter Collections are not permitted due to health & safety regulations Technical Specifications AC Attributes Max power: 8,800 W Max current: 12.9 A Number of phases: 3 System Max efficiency: 98% IP rating: IP65 Dimensions & Weight Dimensions (H x W x D): 503 x 503 x 199 mm Weight: 30 kg
SolaX X3-FIT G4 10kW (3ph AC Coupled Inverter) £899.00 + VAT
SolaX X3 RetroFit AC Coupled Battery 3ph Inverter 10kW #2: X3-FIT-10#3: 4749 Solax X3 Inverter Data Sheet Solax X3 Inverter User Manual Solax X3 Inverter Warranty Solax X3 Inverter G99 Certification Modbus Energy meter is required for SolaX charger to work WiFi stick is required for SolaX CloudFor a full list of SolaX products click here.   Three-Phase Retro Fit 10.0kW AC Coupled Inverter Product Features Compatible with high-voltage batteries IP65 protection rating Natural cooling for low maintenance Maximum efficiency up to 96% EPS Functionality This is the W version of the inverter with a built-in EPS function. An external backup box is required to fully utilise the EPS capability. Battery Compatibility Supports 2 to 4 Solax Triple Power Batteries (all batteries must be the same size per system). Scalability This inverter can be paralleled up to 5 units per site, offering flexible expansion for larger installations.

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