Custom Marine | 420 Watt Rigid Solar Panel - HJT Cells
420 Watt Rigid Solar Panel with HJT Cells
The 420 Watt Rigid Solar Panel - HJT Cells delivers next-generation solar performance through advanced heterojunction (HJT) cell technology, combining high efficiency, superior temperature tolerance, and long-lasting durability. Designed for marine, RV, and off-grid systems, this premium solar panel ensures maximum power production even in low-light or high-temperature environments — giving you reliable, clean energy wherever your adventures take you.
Built with monocrystalline HJT cells, the 420 Watt Rigid Solar Panel offers an exceptional balance of performance and longevity. The innovative dual-layer cell structure minimizes power losses and boosts energy yield, making it ideal for those who demand consistent output in real-world conditions. Whether used for off-grid homes, boats, or RVs, this solar panel provides the durability and power you can depend on.
KEY FEATURES
- Advanced HJT Monocrystalline Cells – Achieve superior energy conversion efficiency and longer lifespan.
- Outstanding Low-Light Performance – Generates stable power output even on cloudy or shaded days.
- Reduced Power Loss at High Temperatures – Maintains excellent efficiency under intense heat.
- Rugged Construction – Tempered glass and anodized aluminum frame provide enhanced protection against impact, corrosion, and weather exposure.
- Integrated Bypass Diodes – Prevent power loss from partial shading and minimize hot spots.
- Marine-Grade Durability – Corrosion-resistant materials make it ideal for boats, coastal, and outdoor environments.
- Flexible Voltage Compatibility – Works seamlessly with 12V, 24V, and 48V battery charging systems.
- Easy Installation – Pre-drilled mounting holes simplify setup for RVs, boats, and off-grid applications.
- Long-Term Reliability – Built for decades of consistent energy performance with minimal degradation.
Specifications
- Model: CMP27420H
- Rated Power: 420 Watts
- Peak Power Voltage (Vmpp): 46.1 Volts
- Peak Power Amps (Impp): 9.1 Amps
- Open Circuit Voltage (Voc): 54.37 Volts
- Short Circuit Current (Isc): 9.7 Amps
- Cell Conversion Efficiency: 24.0%
- Dimensions: 39" x 77", 1955mm x 992mm
- Weight: 50.7 lbs, 23 kgs
- Background Color: White
Are Solar Guys Pro Authorized Retailers?
Yes! We are proud to be one of the few online retailers who are authorized retailers for every single product we carry!
Being an authorized retailer means we carry the same warranty as the manufacturer, protecting your purchase!
When Will My Order Ship?
Most orders ship within 1–3 business days. You’ll get a tracking number as soon as it ships via email!
Do We Accept Returns?
Yes absolutely, we have a no-hassle, 30-day return policy on all items! To refer to the full policy, click HERE
Are Products Brand New?
Yes! By default, all products on Solar Guys Pro are 100% brand-new and in perfect condition.
If an item is used or refurbished, it will clearly indicate so in the title of the product as well as the discription.
For example, a used Battery will say:
XYZ Battery | 48V 100AH (REFURBISHED)
If you'd like to confirm, you can always send us a email at info@solarguyspro.com
Orders over $500 include a FREE (Normally $149.99) 80-Page DIY Solar eBook — added automatically at checkout.
Frequently Asked Questions
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At Solar Guys Pro, our commitment is to you. Please be reminded that our expertise does not extend to tax advice. Nonetheless, our dedicated staff is eager to guide you through the process and ensure you capitalize on this exceptional offer.
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