Solar panelsJA Solar DeepBlue 3.0
415–430 W · 6 versions · best for everyday installs on a budget
4.8 out of 5 from 895 owner reviews of JA Solar solar panels
- Efficiency
- 21.5%
- Temp. coeff.
- -0.35%/°C
- Year 25
- 84.8%
Why it scores 1.4.
Rated on JAM54S30-xxx/LR, its best home version. Each part comes from the datasheet with a published rule; anything not stated scores zero.
How we rate solar panelsOutput guaranteed at year 25
1.0 · 25%
What the panel promises to still produce after 25 Australian summers. It compounds every year.
Rule: Worked out from the datasheet's first-year and annual degradation: 84% scores 0, 92% scores 10.
Product warranty
1.0 · 25%
Covers defects in the panel itself. Twelve years is the floor; the best give 25 or more.
Rule: Years of product warranty: 10 scores 0, 30 scores 10.
Heat performance
2.1 · 20%
Panels lose output as they heat up, and roof panels often pass 65°C in summer.
Rule: Temperature coefficient of Pmax: -0.38%/°C scores 0, -0.24%/°C scores 10.
Efficiency
2.2 · 20%
More watts from each square metre, which matters most on small or broken-up roofs.
Rule: Highest module efficiency in the range: 20.5% scores 0, 25% scores 10.
Performance warranty length
0.0 · 10%
How long the output guarantee runs.
Rule: Years: 25 scores 0, 30 scores 10.
Full specifications.
For JAM54S30-xxx/LR, the version we rate. 10 approved models · Australian datasheet
- Power
- 415–430 W
- Highest efficiency
- 21.5%
- Temperature coefficient (Pmax)
- -0.35%/°C
- First-year degradation
- 2%
- Annual degradation after year 1
- 0.55%
- Output at year 25 (our calculation)
- 84.8%
- Product warranty
- 12 years
- Performance warranty
- 25 years
- Cell technology
- MBB Half-Cell
- Size
- 1762 × 1134 mm
- Weight
- 20 kg
Every version (6).
Same series in different sizes, finishes or generations. Check which version is on your quote.
- 1.4
JAM54S30-xxx/LR
415–430 W · the version we rate
- 1.3
JAM54S30-xxx/MR
415 W
- 3.8
JAM72D30-xxx/MB
545 W · commercial
- 1.4
JAM72S30-xxx/LR
565–570 W · commercial
- 1.4
JAM72S30-xxx/MR
550–555 W · commercial
- 1.2
JAM66S30-xxx/MR
500 W · commercial
About the brand
JA Solar solar panels
Consistently good panels with one of the strongest independent test records, at a mainstream price. Not the most efficient, but a safe, sensible pick.
Read the JA Solar reviewBrand rating#5 of 8 brands for solar panels
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