- SKU: JAM78S10-445/MR
- BARCODE:
- VENDOR: Solar Cellz Inc
JA Solar 445W Solar Panel — High-Efficiency 156-Cell Module (Limited stock)
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Description
Take advantage of premium solar performance at a great value with the JA Solar 445W Solar Panel (Model JAM78S10-445/MR). This high-output, 156-cell monocrystalline module delivers excellent energy production and proven reliability for residential, commercial, and utility-scale solar systems. Now offered at clearance pricing perfect for installers and DIY solar projects seeking performance and savings.
Key Features & Benefits
Powerful 445W Output
Rated at 445 watts under standard test conditions, this panel provides robust energy generation for roofs, ground arrays, and off-grid systems. Its high output helps maximize your solar investment and reduce your levelized cost of energy.
Advanced 156-Cell Monocrystalline Design
Featuring a 156-cell layout, this module achieves strong module efficiency, improving energy harvest per square meter ideal when space is limited or higher output is required.
Durable Outdoor Construction
Built with a rugged aluminum frame and high-transmission tempered glass, this panel withstands challenging outdoor conditions:
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Front snow and wind load rating up to 5400 Pa
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Backside load rating up to 2400 Pa
Ensuring long-term reliability and performance.
Reliable Electrical Components
Includes a weatherproof IP68-rated junction box with bypass diodes and MC4-compatible connectors for secure, dependable electrical connections.
Strong Temperature Performance
A low temperature coefficient minimizes power loss in hot climates, helping the panel deliver consistent energy output throughout the day and across seasons.
System Compatibility
Designed for standard grid-tie and off-grid PV system use, with a maximum system voltage suitable for most residential and commercial inverter setups.
Typical Specifications
| Specification | Details |
|---|---|
| Model | JAM78S10-445/MR |
| Rated Power (Pmax) | 445 W |
| Cell Count | 156 |
| Module Efficiency | High (typically >20%) |
| Open-Circuit Voltage (Voc) | ~51.90 V |
| Voltage at Max Power (Vmp) | ~42.90 V |
| Short-Circuit Current (Isc) | ~11.70 A |
| Current at Max Power (Imp) | ~10.37 A |
| Dimensions | ~2278 × 1134 × 30 mm |
| Weight | ~27.7 kg |
| Connector Type | MC4 or compatible |
| Junction Box | IP68, 3 bypass diodes |
| Max System Voltage | ~1000 V DC |
| Operating Temp Range | -40 °C to +85 °C |
Ideal For
✔ Residential rooftop solar systems
✔ Commercial and industrial PV installations
✔ Off-grid cabins and remote power applications
✔ Solar + battery hybrid systems
✔ Grid-tie solar systems with high output requirements
Why Choose the JA Solar 445W Panel?
This JA Solar module combines industry-leading build quality, high module efficiency, and long-term durability making it a reliable core component of your solar system. Backed by strong performance history and now offered at clearance pricing, it’s an excellent choice for cost-conscious buyers seeking premium value and dependable power.
Unmatched Efficiency and Performance
The JA Solar 445W solar panel offers outstanding performance thanks to its advanced technology and high-efficiency 156-cell design. This solar panel achieves a remarkable efficiency rate, which means you can generate more electricity from less space. It's an excellent choice for both residential and commercial applications because it maximizes energy production while minimizing installation costs. With the JA Solar panel, you'll notice significant savings on your energy bills since it converts solar energy into usable electricity effectively.
Durability and Reliability
When investing in a solar panel, durability is crucial, and the JA Solar 445W panel excels in this aspect. Built to withstand harsh weather conditions, this product is designed for longevity and reliable performance. The components used in the manufacturing process are of the highest quality, ensuring that the panels can endure heavy rain, snow, and even hail without compromising their functionality. Because of its robustness, you can have peace of mind knowing that your investment is protected against the elements.
Easy Installation and Versatile Applications
Another fantastic aspect of the JA Solar 445W solar panel is its ease of installation. It can easily be mounted on rooftops or integrated into larger solar power systems without extensive modifications. This versatility allows it to fit in various settings, making it suitable for homeowners and businesses alike. Additionally, with the increase in solar incentives and rebates, transitioning to solar energy has never been more accessible, so you can enjoy the benefits while supporting the environment.
Document: Specification Sheet
Care
Caring for your clothes is also caring for the environment.
To keep your clothes fresh and clean, simply refresh them and gently wipe with a cloth or clothing brush. This is a more delicate process for fabrics and helps avoid water and energy consumption from washing.
- Hand wash at a temperature not exceeding 30ºC / 86ºF
- Do not use bleach or brighteners
- Iron at a temperature not exceeding 110ºC / 230ºF
- Do not dry clean
- Do not tumble dry
Shipping & Returns
- Free shipping on orders over $50
- Standard delivery within 2–5 business days
- Easy 30-day returns
- Return items in original condition for a full refund
Standard delivery within 2–5 business days
Return items in original condition for a full refund
Trusted by Solar Professionals
What Our Partners Say
Real feedback from installers, contractors, and businesses who rely on our solar distribution network.
We had a fantastic experience with Solar Cellz USA. Their team provided outstanding service, ensuring our products were delivered in a timely manner. Communication was clear throughout the process, and we appreciated their commitment to keeping everything on schedule. It’s refreshing to work with a company that values both quality products and great customer service. Highly recommend!
Top-Notch Sourcing for Hard-to-Find Panels! Solar Cellz USA went above and beyond to help us source American-made solar panels that were incredibly difficult to find. Their team worked diligently to track down exactly what we needed, and their commitment to finding quality products really stood out. It’s rare to find a company with both great service and strong industry connections — Solar Cellz USA delivered on both. Highly recommend them for anyone needing specialty or hard-to-find solar products.
Exceptional Product Knowledge and Expertise! Our experience with Solar Cellz USA has been outstanding, particularly when it comes to their deep knowledge of SMA inverter products. Their team demonstrated impressive expertise, answering all our questions and providing valuable insights to help us choose the right solutions for our needs. It’s clear they understand the products inside and out, which gave us confidence in our purchase. If you’re looking for a supplier that truly knows their equipment, Solar Cellz USA is the way to go.