4 × 300W 12V Fixed Monocrystalline Solar Panel Bundle
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Description
Power your off-grid setup with confidence using this 1.2kW solar panel bundle, designed for caravans, camper trailers, RVs, 4WDs, tiny homes, and remote off-grid systems across Australia.
Each 300W monocrystalline panel delivers exceptional efficiency, reliability, and long service life—built to perform in Australia’s demanding climate.
☀️ High-Efficiency Monocrystalline Design
These A-grade 300W 12V solar panels use high-efficiency monocrystalline cells for superior power generation and low-light performance.
The rugged fixed-mount design provides stable, consistent output across a wide range of conditions—ideal for charging 12V, 24V, or 48V battery systems via MPPT controllers.
⚙️ Built Tough for Australian Conditions
Each panel features a corrosion-resistant anodised aluminium frame and tempered glass surface engineered to withstand heat, wind, dust, and rain.
Perfect for both mobile and fixed installations, from caravan rooftops to off-grid cabins and marine applications.
🔋 Flexible System Integration
With a total rated output of 1,200W, this 4-panel bundle can be wired in series, parallel, or series-parallel, offering full flexibility to match your inverter and charge controller setup.
Suitable for all major 12V, 24V, and 48V off-grid systems.
✅ Key Benefits
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1,200W total array power (4 × 300W panels)
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High-efficiency A-grade monocrystalline cells
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Optimised low-light and high-temperature performance
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UV-stabilised tempered glass and anodised frame
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Compatible with 12V / 24V / 48V MPPT charge controllers
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Long-life reliability with a 25-year performance warranty
📊 Specifications (Per Panel)
| Specification | Details |
|---|---|
| Maximum Power (Pmax) | 300W |
| Power Tolerance | ±3% |
| Maximum Power Voltage (Vmp) | 17.4V |
| Maximum Power Current (Imp) | 17.24A |
| Open Circuit Voltage (Voc) | 21.4V |
| Short Circuit Current (Isc) | 18.27A |
| Maximum System Voltage | 1,000V |
| Cell Type | Monocrystalline |
| Module Class | Class A |
| Operating Temperature Range | −40°C to +85°C |
| Dimensions | 930 × 540 × 50 mm |
| Weight | 9.5 kg per panel |
| Model | SPAST-300WMS |
| Warranty | 25-Year Performance Warranty |
⚡ Bundle Output & Performance
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Total Output: 1,200W (4 × 300W panels)
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Estimated Daily Energy (5 sun hours): ~6kWh/day before system losses
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Enough to power fridges, pumps, lights, tools, and inverters for full off-grid independence.
🔌 Installation Recommendations
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Mount panels facing north (in Australia) with tilt angle matching your latitude for optimal solar gain.
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For 12V battery systems, wire panels in parallel; for higher-voltage systems, use series or series-parallel configuration.
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Use a quality MPPT charge controller rated for ≥70A.
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Recommended cable size: 25–35mm² for long cable runs.
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Allow airflow beneath panels for cooling and performance.
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Avoid shading from vents, antennas, or awnings—partial shading can reduce output.
🌏 Why Choose This Bundle
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Perfect for caravans, 4WD setups, and tiny home systems
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Compact and lightweight (only 9.5kg per panel)
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Scalable power solution—start at 1.2kW and expand later
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Trusted Australian brand, with nationwide warranty and support
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Proven reliability under real Australian conditions
Return policy
Our goal is for every customer to be totally satisfied with their purchase. If this isn't the case, let us know and we'll do our best to work with you to make it right.
Shipping
We will work quickly to ship your order as soon as possible. Once your order has shipped, you will receive an email with further information. Delivery times vary depending on your location.
Manufacturing
Our products are manufactured both locally and globally. We carefully select our manufacturing partners to ensure our products are high quality and a fair value.