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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
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1 x Fox ECS 4.03kWh HV Battery (Master) – FE-HV-ECM-4100
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1 x Fox ECS 4.03kWh HV Battery (Slave) – FE-HV-ECS-4100
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1 x Fox H1 5.0kW Hybrid Inverter G2 – FE-H1-5.0-G2
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Accessories included: CT clamps, WiFi stick
⚠️ Additional requirements:
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A second CT if connecting another generator source (e.g., PV or wind)
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Meter installation required if the inverter and main connection point are more than 30m apart
Fox ECS 4.03kWh HV Battery – Features
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Modular and scalable – up to 28.21kWh of total storage
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90% depth of discharge – maximises usable energy
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Wide temperature tolerance – reliable performance in varied climates
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Plug-and-play installation – quick setup, expandable post-installation
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CAN/RS485 communication – allows system monitoring and integration
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High-voltage design – efficient energy transfer
Specifications:
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Weight: 38.25 kg
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Battery Type: Lithium-Ion
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Nominal Energy: 4,050 Wh
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Voltage: 52 V
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Continuous Discharge Rate: 2,875 W
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Max Discharge Rate (5 min): 2,875 W
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Surge Discharge Rate (15 sec): 2,875 W
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Max Charge Rate (5 min): 2,875 W
Fox H1 5.0kW Hybrid Inverter G2 – Features
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Easy to install – compact and lightweight
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IP65 rated – suitable for outdoor installations
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Dual MPPT – ensures optimal solar production
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High round-trip efficiency – 97% for maximum energy utilisation
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Remote monitoring – via smartphone or web portal
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Included accessories: CT clamps and WiFi stick
Specifications:
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Weight: 22 kg
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Rated Power: 5,000 W
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Min PPT Voltage: 80 V
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Max PPT Voltage: 550 V
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DC Startup Voltage: 75 V
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DC Shutdown Voltage: 601 V
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Max Input Voltage: 600 V
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Max DC Power (5 min): 7,500 W
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Max AC Power (5 min): 5,000 W
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Surge AC Power (1 sec): 5,500 W
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Max DC Current: 32 A
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Max DC Inputs: 2
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MPPT Quantity: 2
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Euro Efficiency: 97%
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Transformer: None
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Integrated DC Switch: Yes
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Warranty: 5 years
Why Choose This Complete Kit?
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Scalable energy storage – add more ECS modules to increase capacity
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High-efficiency hybrid inverter – ensures maximum solar energy utilisation
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Plug-and-play system – reduces installation time and complexity
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Remote monitoring – track and control your energy system easily
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IP65 rated design – durable for indoor or outdoor installation
✅ 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.



