Foxess 41.9kWh Battery & High-Output 10kW Single Phase Hybrid Inverter
$6,990.00
⚡ Effortlessly Power 48kW Loads Without System Splitting
🛡️ Maintain Operations During Grid Outages
🔋 Simplified Single-Stack Design, With Room for Future Expansion
🌞 Store Solar Energy and Optimize Power Usage During Peak Tariffs

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Liam B. ★★★★★
We installed the 48kW stack at our property and it transformed operations. It handles EV charging and workshop loads reliably and kept us running during a multi-hour outage which reduced our diesel generator use and fuel costs.
Product Details
🌟 Key Features & Maximum Benefits
- Extreme 41.9kWh Capacity: The industry-leading storage capacity (9 modules, likely EQ4800 series) ensures your home has ample power reserve, even over multiple cloudy days or extended outages.
- High-Output 10kW Inverter: The powerful 10kW Single Phase Inverter can handle large and simultaneous power loads, supporting heavy appliances, air conditioning, and rapid EV charging without stress.
- Maximize Solar ROI: Store virtually all your excess solar generation during the day and discharge at a higher rate (10kW) to avoid costly peak-hour grid consumption.
- Superior Backup Power: Offers critical Uninterruptible Power Supply (EPS) capability, providing reliable blackout protection with a massive reservoir of stored energy.
- Tier 1 Quality and Safety: Built by Fox ESS, a global leader in storage, using safe and durable LiFePO₄ (Lithium Iron Phosphate) technology for long life and reliability.
Technical Specifications
- Battery Technology: Lithium Iron Phosphate (LiFePO₄)
- Total Usable Capacity: 41.9 kWh
- Depth of Discharge: Up to 100%
- Inverter Rated Output Power: 10 kW (Single Phase)
- System Voltage: High Voltage Battery System
- Round Trip Efficiency: >95%
- Operating Temperature Range: -10°C to 55°C
- Ingress Protection Rating: IP65 (Indoor & Outdoor Installation)
- Scalability: Modular Battery Expansion Supported
- Communication Interface: CAN / RS485 / WiFi Monitoring
- Backup Power Capability: Yes (EPS Function)
Why FoxESS 41.9 kWh?
| Feature | |
|---|---|
| Sample #1 | 10kW High-Output |
| Total Capacity | 41.9kWh Usable |
| Battery Type | LiFePO₄ |
| Backup Power | Instant EPS |
| Modular Design | Yes |
Real uptime gains for businesses
The FoxESS 41.9kWh system is engineered to ensure business operations never suffer unnecessary downtime due to grid outages or power instability. Its rapid response and reliable backup capability allow critical systems to remain operational when grid power fails.
Uptime Gains
Retail & Hospitality
Extended trading hours
Office & IT Facilities
Continuous system uptime
Light Manufacturing
Reduced downtime losses
Key Features & Benefits

Engineered for Australian Conditions
Designed to perform in extreme heat and unstable grid environments

High-Output Hybrid Inverter
10kW power delivery for demanding loads

Scalable Battery Platform
Expand capacity as your energy needs grow

High Efficiency Performance
95% round-trip efficiency ensures minimal energy loss
Simple onsite assessment to installation
Answers for commercial buyers' concerns
How long does the FoxESS 41.9kWh battery last?
Can this system work with existing solar panels?
Is this suitable for backup during blackouts?
Can the system be expanded later?
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