Fox ESS H3 Pro 20.0kW Hybrid Inverter with ECS4300 Battery stack of 7 (29.03kWh)

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

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 → 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.