Gridly
Tier 1
JA Solar
Deep Blue 4.0 Pro
N-type TOPCon · 440W · Made in China
Indicative Panel Price
$140
$0.32/W · per panel supply only
Wattage
440W
Efficiency
22%
Price/Watt
$0.32/W
Cell Type
N-type TOPCon
Product Warranty
25 yrs
Year 25 Output
87.4%
Key strengths
- ✓Tier 1 manufacturer
- ✓Competitive pricing
- ✓Solid specs
Watch out for
- ✗No Australian office
- ✗Chinese origin
- ✗87.4% year 25 slightly lower
Full editorial review coming soon.
Full Specifications
Performance
- Price/Panel
- $140
- Price/Watt
- $0.32/W
- Wattage
- 440W
- Efficiency
- 22%
- Temp. Coefficient
- -0.3%/°C
- Annual Degradation
- 0.4%
- Year 25 Output
- 87.4%
Physical
- Cell Type
- N-type TOPCon
- Dimensions
- 1722x1134x30mm
- Weight
- 22 kg
- Panel Colour
- black
- Front Load
- 5400 Pa
- Rear Load
- 2400 Pa
- Salt Mist Rating
- IEC 61701 level 6
Warranty & Company
- Product Warranty
- 25 years
- Performance Warranty
- 30 years
- Tier 1
- Yes
- Company Origin
- China
- Made In
- China
- AU Office
- No
- Last Updated
- 2026-03
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