Description
The Fox ESS PowerQube is a scalable all-in-one battery storage system designed for homes and businesses that need serious capacity and future-ready protection. With stackable batteries and built-in inverter/charger, it delivers up to 30kWh of high-voltage storage — perfect for large households, EV charging, or backup-critical setups.
Why Choose This Product?
- Modular scalability: Add up to 9 EQ batteries per system for storage from 3.7kWh to 30kWh
- Flexible inverter options: Choose from hybrid or AC-coupled models to suit new installs or retrofits
- EPS backup: Keeps essential circuits running with peak surge output and auto switchover
- Built-in safety: Fire suppression and battery heating as standard
- Smart integration: Supports CT clamps, smart meters, RS485, CAN, and Sunspec protocol
- IP66 protection: Tough, silent, and weatherproof — no fans or moving parts
- Remote access: FoxCloud V2.0 platform gives full performance insight on web or mobile
Performance and Design
The PowerQube is built for serious performance. Hybrid units range from 3.7kW to 11kW, with matching AC variants for retrofit jobs. Thanks to its high-voltage battery stack and integrated charger, it maintains 90% round-trip efficiency — ideal for reducing grid draw and maximising self-consumption. EPS output provides up to 13.2kVA, supporting heavy loads during blackouts. With zero active cooling, noise stays under 35dB, making it suitable for internal or external installs.
Monitoring and Connectivity
All models connect to the FoxCloud V2.0 platform for real-time monitoring and system health checks. LED display, mobile app, and online dashboard access are standard. Communications include Wi-Fi, GPRS (optional), RS485, CAN 2.0, and CT/meter ports. Built-in protections cover DC/AC surge, polarity, islanding, short circuit, and RCMU as standard.
Who is it for?
- Large households: Those running heat pumps, EVs, or high daily usage appliances
- Light commercial users: Offices, workshops, or agri buildings needing stable backup
- Installers: Professionals looking for a clean, configurable stack with minimal aftercare
Technical Specifications
| Model | PQ-3.7-H/A | PQ-5.0-H/A | PQ-7.0-H/A | PQ-9.0-H/A | PQ-11.0-H/A |
|---|---|---|---|---|---|
| Inverter Type | Hybrid / AC | Hybrid / AC | Hybrid / AC | Hybrid / AC | Hybrid / AC |
| Nominal Power (W) | 3680 | 5000 | 7000 | 9000 | 11000 |
| EPS Power (W) | 4440 | 6000 | 8400 | 10800 | 13200 |
| Battery Range | 3.7–30kWh (2–9 EQ modules depending on model) | ||||
| Battery Type | Li-ion (EQ Series – EQ2900/3300/4300/4800/5000) | ||||
| Max Efficiency | Up to 97.8% | ||||
| Installation | Floor-mounted, stackable | ||||
| Protection | IP66, Fire Suppression, AFCI, Surge, RCMU, Insulation, Anti-islanding | ||||
| Dimensions (WxHxD) | 570×512×380mm per unit | ||||
| Weight | 49kg (inverter unit only) | ||||
| Operating Temp | –25°C to +60°C | ||||
| Monitoring | FoxCloud V2.0, App, Wi-Fi, GPRS (optional), RS485, CAN2.0, CT, Meter | ||||
All models support EQ battery expansion. EPS output and switchover times vary slightly by configuration.
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