solar panel
JA Solar DeepBlue 4.0 Series
The JA Solar DeepBlue 4.0 Series includes photovoltaic modules designed for high efficiency and durability, with specifications detailed on the manufacturer's site (documents 1, 2, 3, 7, 8).
Pros and cons
Pros
Strengths called out by generated product content.
- Better performance in low light conditions compared to older panels
- More resistant to partial shading than some competitors
- Lighter weight per panel compared to Trina Vertex N
- Higher power output (around 605W) compared to older series
- Long-term capacity retention warranty (minimum 84.7% after 30 years)
Cons
Tradeoffs and constraints to review before choosing.
- Older DeepBlue 3.0 series used PERC cells with lower efficiency (19.5% to 20.7%)
- Some panels may have larger physical size, requiring more space
- Potential issues with verifying long-term degradation warranties due to data collection challenges
- Limited information on specific durability or longevity compared to other brands
Notes
Context that does not fit neatly as a pro or con.
- Panels are monocrystalline and use N-type technology
- Panel size and weight vary, with some being larger and heavier than alternatives
- Manufactured by a Chinese company, which may influence market availability and tariffs