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
| Specification | Details |
|---|---|
| Rated Power | 11.4 kW |
| Output Voltage | 120/240V Split Phase |
| PV Input | Up to 15.39 kW |
| MPPT | 3 trackers |
| Max Efficiency | 97.6% |
| Battery Voltage | 85–460 V |
| Max PV Voltage | 600V |
| Communication | WiFi / LAN / CAN / RS485 |
| Cooling | Passive (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
Customer Reviews
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