JA Solar Products
5 products across Solar Panels. Efficiency range: 20.9%–22.6%.
JA Solar Panel Overview
All JA Solar Panels (5)
| Model | Power | Efficiency | Cell Type | Warranty | Degradation |
|---|---|---|---|---|---|
| JAM78S30 590W | 590W | 22.6% | TOPCon N-type | 15/30 yr | 0.4%/yr |
| DeepBlue 4.0 Pro 460W | 460W | 22.4% | TOPCon N-type | 15/30 yr | 0.4%/yr |
| JAM54S31 415W | 415W | 21.5% | PERC Mono | 12/25 yr | 0.5%/yr |
| JAM72S30 540W | 540W | 21.3% | PERC Mono | 12/25 yr | 0.5%/yr |
| DeepBlue 3.0 400W | 400W | 20.9% | PERC Mono | 12/25 yr | 0.5%/yr |
Sorted by efficiency. Click any model for full specifications and review.
Estimated System Costs with JA Solar Panels
| System Size | Panels Needed | Est. Cost (before ITC) | After 30% ITC |
|---|---|---|---|
| 5 kW | ~9 panels | $12,500–$17,500 | $8,750–$12,250 |
| 8 kW | ~14 panels | $20,000–$28,000 | $14,000–$19,600 |
| 10 kW | ~17 panels | $25,000–$35,000 | $17,500–$24,500 |
| 12 kW | ~21 panels | $30,000–$42,000 | $21,000–$29,400 |
Estimates based on national average installed costs of $2.50–$3.50/watt. Panel count uses the JAM78S30 590W (590W). Actual prices vary by location and installer.
About JA Solar
JA Solar manufactures solar panels with 5 models in their 2026 product lineup. Their solar panels range from 400W to 590W with efficiencies of 20.9%–22.6%, using TOPCon N-type and PERC Mono cell technology. Manufacturing takes place in China.
Quick Facts
- Total Products: 5 models
- Categories: Solar Panels
- Manufacturing: China
- Best Efficiency: 22.6% (JAM78S30 590W)
- Max Power: 590W (JAM78S30 590W)
Frequently Asked Questions
How many solar products does JA Solar offer in 2026?
JA Solar offers 5 products in their 2026 lineup: 5 solar panels.
What is the most efficient JA Solar solar panel?
The most efficient JA Solar solar panel is the JAM78S30 590W at 22.6% efficiency with 590W output. JA Solar panels range from 20.9% to 22.6% efficiency across 5 models.
What is the most powerful JA Solar solar panel?
The highest-wattage JA Solar panel is the JAM78S30 590W at 590W. JA Solar's panel lineup ranges from 400W to 590W, using TOPCon N-type and PERC Mono cell technology.
What warranty does JA Solar offer on solar panels?
JA Solar offers up to 15-year product warranty and up to 30-year performance warranty on their solar panels. The average annual degradation rate is 0.46%.
Where are JA Solar solar panels manufactured?
JA Solar solar panels are manufactured in China.