Foxess 42kWh Battery & High-Output 15kW Single Phase Hybrid Inverter
$9,590.00
⚡ Power Heavy Loads Seamlessly With High-Output 15kW Performance
🛡️ Stay Protected With Reliable Backup During Grid Outages
🔋 Massive 42kWh Battery Capacity For Long-Lasting Energy Security
🌞 Store Solar Energy Efficiently & Reduce Peak Electricity Costs

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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:
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- High 42kW Power Output Designed for large energy loads, the system delivers up to Foxess 42kWh Battery & High-Output 15kW Single Phase Hybrid Inverter, making it suitable for large homes, EV charging, workshops, offices, and commercial facilities.
- Single-Stack Modular Design A clean, vertical stack architecture reduces space requirements while allowing modular expansion as your energy needs grow—without multiple wall-mounted units.
- Advanced Lithium Battery Technology Built using Lithium Iron Phosphate (LFP) battery chemistry for long cycle life, high safety standards, and superior thermal stability in Australian climates.
- Reliable Backup & Blackout Protection Supports backup power functionality to keep essential appliances and business operations running during grid outages.
- Optimised Solar Self-Consumption Store excess solar energy during the day and use it at night, significantly reducing grid reliance and electricity costs.
- Smart Energy Monitoring Monitoring-ready system enables real-time tracking of solar generation, battery usage, and energy performance via a digital platform (app/platform subject to final configuration).
- Built for Australian Conditions Engineered to perform reliably in extreme heat, regional environments, and fluctuating grid conditions across Australia.
Technical Specifications:
- Battery Technology: Lithium Iron Phosphate (LiFePO₄)
- Total Usable Capacity: 42 kWh
- Depth of Discharge: Up to 100%
- Inverter Rated Output Power: 15 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)
Download SpecificationWhy FoxESS 42 kWh?
| Feature | |
|---|---|
| Sample #1 | 15 kW (high-output hybrid inverter) |
| Total Capacity | 48 kWh usable |
| Battery Type | LiFePO₄ — 100 % DoD |
| Backup Power | Instant EPS capability |
| Modular Design | Stackable EQ battery modules |
Real uptime gains for businesses
The FoxESS 42kWh Battery & High-Output 15kW Single Phase Hybrid Inverter is engineered to ensure that your business operations never experience unnecessary downtime due to power outages or grid instability. Designed for high-demand environments, this system delivers reliable backup power when it matters most.
Uptime Gains
Retail & Hospitality
More trading hours during grid faults.
Small Manufacturing
Reduced downtime losses
Office & IT Facilities
Continuous critical systems
Key Features & Benefits

Engineered for Australian Conditions:
Wide temperature range and IP65 durability for open or protected installation.

High-Output Hybrid Inverter:
Capable of ~15 kW delivery and grid backup via EPS.

Scalable Battery Stack:
Modular EQ4800 design lets you size your energy bank to match real needs.

100 % Usable Capacity & High Efficiency:
Full depth of discharge with >95 % efficiency — every watt counts.
Simple onsite assessment to installation
Answers for commercial buyers' concerns
How long will a 42kWh battery last?
Can this system run EV chargers and air-conditioning?
Does this system provide backup power during blackouts?
Is this suitable for commercial use?
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