JA Solar Panels
Clearance
UP TO 50% OFFJA Solar 405W Solar Panel 108 Cells PERC All-Black JAM54S31-405/MR Clearance
- Rated Power Output 405 W
- Voltage (VOC)37.23 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Orlando, FL
JA Solar 410W Solar Panel 144 Cell PERC JAM72S10-410/MR Clearance
- Rated Power Output 410 W
- Voltage (VOC)50.12 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 450W Solar Panel 108 Cell TOPCon All-Black Bifacial JA-54D41-450LB Clearance
- Rated Power Output 450 W
- Voltage (VOC)39.3 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
JA Solar 445W Solar Panel 156 Cell PERC JAM78S10-445/MR Clearance
- Rated Power Output 445 W
- Voltage (VOC)53.31 V
- Number of cells156 Cell
- Cell TypeMonocrystalline
By Items
JA Solar 620W Solar Panel 132 Cell N-Type TOPCon Bifacial JA-JAM66-D45-620LB
- Rated Power Output 620 W
- Voltage (VOC)48.5 V
- Number of cells132 Cell
- Cell TypeMonocrystalline
JA Solar 405W Solar Panel 108 Cells PERC All-Black JAM54S31-405/MR Clearance
- Rated Power Output 405 W
- Voltage (VOC)37.23 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Orlando, FL
JA Solar 440W Solar Panel 108 Cell N-Type Bifacial JA-JAM54-D41-440MB
- Rated Power Output 440 W
- Voltage (VOC)39.38 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Pompano Beach, FL
JA Solar 410W Solar Panel 144 Cell PERC JAM72S10-410/MR Clearance
- Rated Power Output 410 W
- Voltage (VOC)50.12 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 440W Solar Panel 108 Cell TOPCon All-Black Bifacial JAM54D41-440/MB
- Rated Power Output 440 W
- Voltage (VOC)39.38 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Orlando, FL
JA Solar 450W Solar Panel 108 Cell TOPCon All-Black Bifacial JA-54D41-450LB Clearance
- Rated Power Output 450 W
- Voltage (VOC)39.3 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
JA Solar 445W Solar Panel 156 Cell PERC JAM78S10-445/MR Clearance
- Rated Power Output 445 W
- Voltage (VOC)53.31 V
- Number of cells156 Cell
- Cell TypeMonocrystalline
JA Solar 545W Solar Panel 144 Cell PERC Bifacial JA-JAM72-D30-545MB
- Rated Power Output 545 W
- Voltage (VOC)49.75 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 595W Solar Panel 144 Cell TOPCon Bifacial JA-JAM72-D40-595MB Assembled in the USA
- Rated Power Output 595 W
- Voltage (VOC)54.1 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 600W Solar Panel 144 Cell N-Type TOPCon Bifacial JA-JAM72-D40-600MB Assembled in the USA
- Rated Power Output 600 W
- Voltage (VOC)54.3 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
Top sellers
JA Solar 620W Solar Panel 132 Cell N-Type TOPCon Bifacial JA-JAM66-D45-620LB
- Rated Power Output 620 W
- Voltage (VOC)48.5 V
- Number of cells132 Cell
- Cell TypeMonocrystalline
JA Solar 440W Solar Panel 108 Cell N-Type Bifacial JA-JAM54-D41-440MB
- Rated Power Output 440 W
- Voltage (VOC)39.38 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Pompano Beach, FL
JA Solar 440W Solar Panel 108 Cell TOPCon All-Black Bifacial JAM54D41-440/MB
- Rated Power Output 440 W
- Voltage (VOC)39.38 V
- Number of cells108 Cell
- Cell TypeMonocrystalline
Pickup on Wed, May 13 from Orlando, FL
JA Solar 545W Solar Panel 144 Cell PERC Bifacial JA-JAM72-D30-545MB
- Rated Power Output 545 W
- Voltage (VOC)49.75 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 595W Solar Panel 144 Cell TOPCon Bifacial JA-JAM72-D40-595MB Assembled in the USA
- Rated Power Output 595 W
- Voltage (VOC)54.1 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
JA Solar 600W Solar Panel 144 Cell N-Type TOPCon Bifacial JA-JAM72-D40-600MB Assembled in the USA
- Rated Power Output 600 W
- Voltage (VOC)54.3 V
- Number of cells144 Cell
- Cell TypeMonocrystalline
- Overview
- Articles
JA Solar Panels for Sale
High-efficiency solar panels from China's leading Tier 1 manufacturer with 22% efficiency ratings

As of early 2026, JA Solar has solidified its position as the top-ranked global module manufacturer according to Wood Mackenzie, having achieved record-breaking cumulative shipments of nearly 320 GW. This vertically integrated giant has successfully expanded its annual production capacity beyond the 100 GW milestone, supplying high-performance solar panels to over 180 countries and regions. By leveraging its "DeepBlue 5.0" technology, which offers efficiency ratings of up to 24.8%, the company remains a dominant force in the global transition to n-type photovoltaic solutions.
Founded in 2005, JA Solar has built an unmatched reputation for bankability and reliability across residential, commercial, and utility-scale applications. While maintaining a massive manufacturing core in China, the company has strategically diversified its footprint with advanced facilities in Vietnam and Malaysia, as well as new gigafactories in Egypt and Oman to serve growing regional markets. This global infrastructure ensures a steady supply of cost-effective, cutting-edge energy solutions for projects of any scale.
DeepBlue 4.0 Series - Premium N-Type Panels
The flagship DeepBlue 4.0 series achieves efficiency ratings up to 22.4% through advanced n-type cell and Gapless Flexible Interconnection (GFI) technologies, with module power reaching 635W. The DeepBlue 4.0 Pro variant features Bycium cell technology with Open Circuit Voltage reaching 725mV and cell efficiency of 25.3% in mass production, enabling 72-cell modules to reach 630W with efficiency exceeding 22.5%.
"The JA Deep Blue 4 is a great panel. Glass is a very stable material so you should have a good lifespan from these panels and they carry a long warranty."
— Industry Installer
For more insights into solar panel performance and reviews, you might find our general Solar panels review 2026 useful.
DeepBlue 3.0 Series - Cost-Effective P-Type Options
The DeepBlue 3.0 range offers panels up to 605W built using 182mm Gallium-doped P-type PERC cells with lower degradation, while the compact DeepBlue 3.0 Light panels provide up to 420W output and 21.3% efficiency for residential systems.
Advanced Cell Technologies
JA Solar incorporates BYCIUM cell technology, which is a patented version of the TOPCon cell architecture, along with half-cut cell designs and bifacial capabilities across their product lines.
JA Solar vs Competition - Technical Comparison
| Feature | JA Solar DeepBlue 4.0 | Canadian Solar | Jinko Solar | LONGi Solar |
|---|---|---|---|---|
| Peak Efficiency | 22.5% | 22.9% | 22.8% | 22.3% |
| Power Output | Up to 635W | Up to 550W | Up to 575W | Up to 570W |
| Product Warranty | 25 Years | 12-25 Years | 15 Years | 12 Years |
| Performance Warranty | 30 Years | 25 Years | 25 Years | 25 Years |
| Manufacturing Origin | China/Vietnam/Malaysia | Asia | China | China |
While older JA Solar panels had 12-year product warranties, the company now offers 25-year product warranties for Deep Blue 4.0 panels, with performance warranties extending to 30 years.
Why Choose JA Solar?
🏭 Manufacturing Excellence
Giant manufacturer with concentrated focus on producing low-cost but reliable panels. Because they are reliable, well-supported, and good value for money, industry experts have no problem recommending them.
⚡ Advanced Technology
Deep Blue 4.0 series efficiency ranges from 21.8% to 23.4%, with most panels qualifying as "high efficiency" at 22% or more.
🔧 Proven Performance
One-year field test results from JA Solar and TÜV NORD showed n-type modules with Bycium cell technology have electricity generation gain of about 3.9% compared to conventional p-type modules.
💰 Value Proposition
JA Solar makes great panels for homeowners on a budget, with price per watt considerably lower than most other manufacturers, while delivering above-average efficiency ratings and outstanding value among affordable brands.
JA Solar Panel Reviews & Performance
Industry recognition continues to grow for JA Solar's technological advances. JA performs well in PVEL results and ranks as one of the top performing brands among the top six largest solar panel companies worldwide.
"I have only had the 440W JA Solar DeepBlue 4.0 Pro for 3 months. No complaints about performance in this short time."
— Residential User
"JA Solar Panels Deepblue 4.0 very promising on paper now with a 30-year performance warranty in line with closest competitors. Surprised how much energy I can still get even in cloudy conditions."
— Professional Installer
JA Solar Panel Pricing & Value Analysis
Compared to p-type modules, DeepBlue 4.0 Pro modules reduce BOS costs by approximately 2%-4.5%, leading to LCOE decreases of around 2.5%-6%. This cost advantage, combined with temperature coefficient of around 0.29% efficiency loss per degree above 25°C, delivers strong long-term value.
The JA Solar bifacial panels residential applications can achieve additional energy gains, particularly when combined with reflective surfaces or elevated mounting systems.
Frequently Asked Questions
JA Solar now offers 25-year product warranties for Deep Blue 4.0 panels sold in Australia, with performance warranties extending to 30 years.
JA Solar's BYCIUM cell technology is a patented version of the TOPCon cell architecture, offering improved efficiency and lower degradation compared to traditional PERC cells.
Yes, JA Solar offers all-black panels with no visible grid lines, which most solar customers prefer for aesthetic reasons.
JA Solar provides technical documentation, installer training resources, and ongoing support through authorized distributors and installation partners worldwide.
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