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

DOWNLOADS:

• Datasheet
• 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

PRODUCT SPECIFICATIONS: