Fox ESS AIO PowerQ (Flex Version) – All-in-One Residential Inverter and Energy Storage System | Hybrid Solar Inverter + Lithium Battery Backup | Off-Grid, RV, Cabin, Marine, Home Backup Power

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$3,875.00
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$3,875.00
Regular price
$3,875.00
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Downloads:
User Manual
User Manual - Power Q w/o Hub
User Manual - Power Q w/ Hub
Certification - UL1741
Certification - UL9540 - CoFC
Certification - UL9540A Test Report
Quick Guide

The Fox All-in-One (AIO) PowerQ Flex is the latest generation all-in-one solar battery system engineered for North American homes, delivering reliable, long-lasting, and highly adaptable backup power. All AIO inverter sizes can offer a total of up to 11.4kW of battery backup power, dependent on the number of modular batteries in the system. The new Flex architecture is designed as a hybrid solution, allowing seamless stacking with both hub-based and non-hub PowerQ systems, offering unmatched flexibility for system expansion and future upgrades.

Its modular design supports scalable capacity up to 111 kWh, making it ideal for residential homes, light commercial applications, cabins, RV systems, marine setups, and more.

The PowerQ Flex features a high-efficiency hybrid inverter (up to 11.4 kW) paired with advanced LiFePO₄ (lithium iron phosphate) battery modules, delivering fast charging, high continuous discharge power, and ultra-quiet natural convection cooling.

Built for harsh climates, the integrated battery warming system enables safe and reliable operation in extreme temperatures ranging from –25 °C to +55 °C (–13 °F to 131 °F), ensuring dependable performance even in cold winter conditions.

Key Features

Integrated All-in-One System – Hybrid inverter + LiFePO₄ battery + monitoring in one enclosure

Modular & Scalable – Expand storage up to 111kWh

Battery Warming Technology – Reliable cold-climate operation

Type 4X Weatherproof Rating – Perfect for outdoor installation

Remote Monitoring – Smartphone app + web portal

High Output Power Options – 3.8kW / 5.7kW / 7.6kW / 9.6kW / 11.4kW

Whole-Home Backup Ready

AFCI, Anti-Islanding, Overvoltage & Short Circuit Protection

Ultra-Quiet Natural Convection Cooling (<35 dB)

LiFePO₄ (LFP) Chemistry for long cycle life and safety


Why Choose Fox AIO (PowerQ)?


Fast & easy installation with modular plug-and-play assembly

Replace noisy gas generators

Reduce grid dependency

Protect your home from outages

Future-proof modular scalability

Silent, clean, renewable energy

What’s Included

Fox AIO PowerQ all-in-one enclosure

Hybrid inverter (model varies by selection)

LiFePO₄ battery modules (capacity varies)

WiFi/LAN monitoring hardware

Mounting hardware

User manual + installation guide

Specifications

Rated Output Power: 3.8kW / 5.7kW / 7.6kW / 9.6kW / 11.4kW

Battery Type: LiFePO₄ (LFP)

Battery Voltage Range: 85–460V

Max Efficiency: 97.6%

Operating Temp: –25°C to +55°C

Noise Level: <35dB

Protection Rating: Type 4X (outdoor)

Communication: WiFi, LAN, CAN, RS485, Meter, CT

Certifications: UL1741 CRD, UL9540, UL1699B, IEEE1547, CSA-C22.2 No.107.1-16

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