GreenWatts 450W Bifacial Solar Panel — 144-Cell High-Efficiency PV Module

High-Efficiency Bifacial Solar Panel for Maximum Energy Generation

Maximize your solar energy production with the GreenWatts 450W Solar Panel (Model HT72-166M-450W) — a high-efficiency bifacial photovoltaic module designed for residential, commercial, and off-grid solar installations. Featuring cutting-edge PERC technology, half-cut cells, and a bifacial design, this panel delivers excellent performance, durability, and long-term energy output. 

Key Features & Benefits

450 Watts of Rated Power
Generates up to 450W of clean solar power, offering a strong balance of output and panel size for a wide range of solar system applications. 

Bifacial Energy Boost
The bifacial design allows the panel to absorb sunlight from both front and rear sides, capturing reflected light for increased total energy yield especially when installed over high-albedo surfaces. 

144 Half-Cut Monocrystalline Cells
Built with high-efficiency 144 half-cut cells and advanced PERC technology, this module reduces resistive losses and enhances performance under low-light and partial shade conditions. 

Impressive Efficiency (~20.7%)
High module efficiency helps you produce more power per square meter, making this panel a great choice for space-optimized installations. 

Rugged, Weather-Resistant Construction
Designed to withstand challenging environments with:

• 5400 Pa snow load resistance

• 2400 Pa wind load resistance
  It’s built for years of reliable outdoor performance.

Long-Term Warranty Coverage
Backed by a 25–30-year product warranty and a 30-year linear power output warranty, ensuring sustained performance and peace of mind. 

Wide System Compatibility
Engineered for systems up to 1500 V DC, this panel works with most modern grid-tie, hybrid, and battery-backed solar inverters. 

Typical Specifications

Ideal For

✔ Residential rooftop solar systems
✔ Commercial and industrial installations
✔ Ground-mounted solar arrays
✔ Solar + battery hybrid systems
✔ Projects leveraging bifacial gain

Why Choose the GreenWatts 450W Bifacial Panel?

This GreenWatts panel delivers excellent performance at a competitive price with strong energy production, enhanced efficiency from its bifacial design, and long-term durability backed by an industry-standard warranty. Its high power rating and reliable construction make it a smart choice for both installers and DIY solar system builders.

Document: Specification Sheet

What is a Bifacial Solar Panel?

The Bifacial Solar Panel is a cutting-edge solar technology designed to capture sunlight from both sides. This means it can utilize indirect sunlight reflecting off surfaces like the ground, significantly increasing energy output. The GreenWatts 450W model features 144 cells that maximize efficiency, making it one of the top choices for both residential and commercial applications. Because of this unique design, these panels can produce up to 30% more energy compared to traditional monofacial panels.

Durability and Longevity

Durability is essential in solar panel selection. The GreenWatts Bifacial Solar Panel is built to withstand harsh weather conditions, including hail and high winds. It meets rigorous standards for durability, ensuring a lifespan that can exceed 25 years. Because longevity reduces the need for replacements, installing these panels is a practical investment in your energy independence. Solar panels like this are not only robust but also cost-effective over time.

Environmental Benefits of Solar Energy

Utilizing the GreenWatts Bifacial Solar Panel contributes to a cleaner and greener planet. Renewable energy sources like solar power reduce reliance on fossil fuels, decreasing harmful emissions. Furthermore, the increased efficiency of bifacial technology allows for more energy generation on smaller footprints. Therefore, investing in solar technology helps save the environment while also saving on energy bills. By choosing these panels, you're making a significant commitment to sustainable energy solutions.