11.4 kW Fox ESS PowerQ Hybrid Inverter

The Fox ESS PowerQ 11.4kW Hybrid Inverter is a high-performance, split-phase residential inverter designed for whole-home backup, solar self-consumption, and hybrid energy systems. Built as part of the PowerQ ecosystem, it integrates seamlessly with EQ4000 battery modules to create a scalable all-in-one energy storage solution.

  • 11.4 kW output (240V split-phase)
  • Hybrid + AC-coupled functionality
  • Up to 15.39 kW PV input capacity
  • Designed for grid-tied + backup + off-grid capable systems

$3,750.00

Product details

The Fox ESS PowerQ 11.4kW Hybrid Inverter is a high-performance, split-phase residential inverter designed for whole-home backup, solar self-consumption, and hybrid energy systems. Built as part of the PowerQ ecosystem, it integrates seamlessly with EQ4000 battery modules to create a scalable all-in-one energy storage solution.

  • 11.4 kW output (240V split-phase)
  • Hybrid + AC-coupled functionality
  • Up to 15.39 kW PV input capacity
  • Designed for grid-tied + backup + off-grid capable systems

Description

⚡ Overview

The Fox ESS PowerQ 11.4kW Hybrid Inverter is a high-performance, split-phase residential inverter designed for whole-home backup, solar self-consumption, and hybrid energy systems. Built as part of the PowerQ ecosystem, it integrates seamlessly with EQ4000 battery modules to create a scalable all-in-one energy storage solution.

  • 11.4 kW output (240V split-phase)
  • Hybrid + AC-coupled functionality
  • Up to 15.39 kW PV input capacity
  • Designed for grid-tied + backup + off-grid capable systems

⚡ Key Features

🔌 True Hybrid + AC Coupling

  • Works as:
    • Hybrid inverter (solar + battery)
    • AC-coupled retrofit system
      👉 Flexibility for new installs or upgrades

☀️ High PV Input Capacity

  • Max PV input: 15.39 kW
  • 3 MPPT trackers → better yield on complex roofs

🏠 Whole-Home Backup Ready

  • Full 11.4 kW backup output
  • Supports high-load appliances
  • Seamless switchover during outages

🔋 Modular Energy Storage System

  • Designed for:
    • 2–5 × EQ4000 batteries per stack
  • Scalable up to ~80 kWh system capacity

🌧️ Outdoor Rated & Quiet

  • NEMA 4X / IP65 enclosure
  • Natural convection cooling
  • <35 dB noise → ultra quiet operation

📱 Smart Monitoring

  • Built-in:
    • WiFi + LAN
    • App + web portal
  • Real-time system performance tracking

📊 Technical Specifications

SpecificationDetails
Rated Power11.4 kW
Output Voltage120/240V Split Phase
PV InputUp to 15.39 kW
MPPT3 trackers
Max Efficiency97.6%
Battery Voltage85–460 V
Max PV Voltage600V
CommunicationWiFi / LAN / CAN / RS485
CoolingPassive (fanless)
Noise Level<35 dB
Weight~112–143 lbs
Dimensions~22.4 × 20.2 × 15 in

🛡️ Certifications & Compliance

  • UL 1741 SA / SB – Grid-tied inverter safety
  • IEEE 1547 (2018 & updates) – Grid interconnection compliance
  • FCC Part 15B – EMC compliance
  • AFCI Protection – Arc fault detection
  • Type II Surge Protection (AC & DC)
  • Anti-Islanding Protection

👉 What this means:

  • Approved for US residential installs
  • Meets utility interconnection requirements
  • Easier permitting & inspections


📜 Warranty

🕒 12.5-Year Manufacturer Warranty

  • Long-term reliability coverage
  • Designed for full system lifecycle

👉 Matches battery warranty → ideal system pairing


⭐ Why Choose This Inverter?

⚡ 1. True Whole-Home Power

  • 11.4 kW output handles:
    • HVAC
    • EV chargers
    • Large loads

👉 Competes directly with premium systems like Tesla


🔄 2. Hybrid + Retrofit Flexibility

  • Use in:
    • New installs (DC-coupled)
    • Existing solar systems (AC-coupled)

👉 Huge advantage for retrofit market


🧩 3. Fully Integrated Ecosystem

  • Works seamlessly with:
    • Fox ESS EQ4000 batteries
    • PowerQ system architecture

👉 Clean, unified system design


📈 4. High Efficiency = Better ROI

  • Up to 97.6% efficiency
  • Lower losses → more usable energy


🔇 5. Silent Operation (Underrated Advantage)

  • No loud fans
  • Ideal for residential installs

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