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JA Solar Brand review

JAM72D30-550/MB/1500V

550 Wp PERC Bifacial 70%
ComparePV verdict

Warranty pick, no clear weak spot

Rank 7,043 of 14,129
Compare panels Datasheet PDF
Power (Wp)
550
Weak · bottom 15%
Efficiency (%)
21.30
Typical · median 21.29%
Density (Wp/m²)
212.9
Typical · median 212.9
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
31.8
Typical · median 30.8 kg
Warranty (yrs)
30
Strong · top 25%

The JA Solar DeepBlue 3.0 MB Series redefines efficiency standards through the use of M10 silicon wafers and advanced gallium-doped p-type PERC technology. This innovative approach effectively eliminates the problem of light-induced degradation (LID), which translates into exceptional long-term stability of energy yields. The design based on Half-Cut cells and the Multi-Busbar (MBB) solution allows for a significant reduction in internal resistance and minimization of power losses during partial shading of the modules. These panels stand out from the competition with an excellent quality-to-price ratio, offering the lowest levelized cost of energy (LCOE), making them a priority choice for large photovoltaic farms and demanding commercial installations. The applied mechanical innovations guarantee high resistance to extreme snow and wind loads, ensuring full investment security over many decades of operation. Thanks to the precise optimization of dimensions and electrical parameters, the DeepBlue 3.0 series perfectly addresses issues related to limited installation space, maximizing electricity production from every square meter of the roof. It is a comprehensive solution for professional investors seeking maximum power density while maintaining the highest technical reliability in the variable conditions of the Polish climate. Choosing this series guarantees modern technology that effectively shortens the payback period for investments in green energy.

Ranking

589 panels in the segment PERC 550-600 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.30% 21.29% Typical 8,585
Power density 212.9 212.9 Typical 8,563
Temperature coefficient -0.350 -0.350 Typical 10,489
Weight per kWp 57.8 52.7 Typical 11,526
Performance warranty 30 yrs 27 yrs Strong · top 25% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 1 caution
Best for

Commercial, utility-scale, shaded-installations and cold-climate.

Strengths
30 year performance warranty

Top 25% of the PERC 550-600 W segment, against a median of 27 yrs.

What owners get
Gallium-doped bifacial PERC cells (Ga-PERC)

Gallium doping eliminates light-induced degradation (LID), reducing annual power loss compared to standard boron-doped PERC. With a bifaciality factor of ~70%, the rear surface contributes an additional 5-10% energy yield at typical albedo values of 20-30% (light-colored rooftop, sand, or snow) - particularly beneficial in the Polish climate with seasonal snow cover.

Half-cut cells + Multi-Busbar (9 MBB)

Halving each cell reduces the operating current by 50%, cutting resistive (I²R) losses by up to 30% versus full-cell modules. The 9-busbar layout shortens current paths, reduces stress-induced micro-cracking, and improves real-world performance under partial shading - a meaningful advantage for urban rooftop and complex-geometry installations.

30-year linear power warranty (≥87.4%)

JA Solar guarantees at least 87.4% of rated output after 30 years, matching direct peer comparables in the segment: Goldi Solar GS10-B144-TF, IBC Solar 182M Half Cell, and S-Energy SL65-72BGJ. The linear warranty structure eliminates hidden step-degradation in early years - a critical input for commercial LCOE modeling and utility-scale project finance.

21.3% peak efficiency on par with peers

Module efficiency of 20.3-21.3% is fully competitive with direct segment peers: Goldi Solar GS10-B144-TF (21.3%), IBC Solar 182M (21.28%), and S-Energy SL65-72BGJ (21.3%), using a 72-cell M10 format. With a max power of 550 Wp, the series delivers high power density without the cost premium of N-type technology.

JA Solar - BNEF Tier-1, in operation since 2005

JA Solar is a recurrent BNEF Tier-1 bankable manufacturer (Q1 2026 list), satisfying non-recourse project finance requirements (six 10 MW+ projects financed by six independent banks). With 20+ years of manufacturing history and global shipments exceeding 80 GW/year, counterparty risk over the 30-year warranty horizon is minimal - a key argument for bank-financed commercial and utility-scale PV installations.

Trade-offs
P-type PERC vs. newer N-type TOPCon

The DeepBlue 3.0 MB series (released 2020) relies on P-type PERC, while JA Solar's own next-generation DeepBlue 4.0 Pro (Bycium+/TOPCon) achieves up to 22.4% efficiency versus a maximum of 21.3% for this series. N-type cells also exhibit lower LeTID (light and elevated temperature induced degradation) and superior temperature characteristics, which can translate into measurably higher annual energy yield over a long operational horizon for the same rooftop footprint.

Notes from the database
  • Efficiency of 21.3% matches the PERC 550-600W median
  • At 212.9 W/m² power density, roof space requirements are typical for PERC 550-600W panels
  • At -0.35%/°C, hot weather performance is typical for PERC 550-600W panels
  • At 31.8 kg, weight matches the PERC 550-600W median
  • Bifaciality factor of 70% can add 4-10% extra yield with reflective mounting surface

Specifications

Open datasheet PDF
Nominal power (Pmax) 550 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.30 % Typical Segment median 21.29%
Vmpp · Impp 41.96 V · 13.11 A Operating point at max power
Voc · Isc 49.90 V · 14.00 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×30 mm · 2.58 m² of roof
Weight 31.8 kg Typical Typical · median 30.8 kg
Cells 144 · PERC Monocrystalline
Bifaciality 70 % Rear output as a share of front
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Strong top 25% · median 27 yrs
End-of-warranty output 85.0 % Equals 467 W guaranteed
Degradation 2.00 → 0.45 % First year, then annual

Simulations

Live - change any input
Lifetime output & value
30 years at 1200 kWh/kWp/year and €0.50 per kWh
Power in year 30
-
Lifetime energy
-
Energy value
-
With bifacial gain
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.350 %/°C against a segment median of -0.350
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
JA Solar JAM72D30-550/MB/1500V 550 W 21.30% -0.350 31.8 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.7 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +3.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +3.4 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg Cooler, lighter, +3.4 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.3 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +3.2 pp
JAM72D30-525/MB/1500V 525 W 20.30% -0.350 31.8 kg -25 W, -1.0 pp
JAM72S30-530/MR 530 W 20.50% -0.350 27.3 kg Lighter, -0.8 pp, -5 yr warranty
JAM72S30-535/MR 535 W 20.70% -0.350 27.3 kg Lighter, -0.6 pp, -5 yr warranty
JAM72S30-540/MR 540 W 20.90% -0.350 27.3 kg Lighter, -0.4 pp, -5 yr warranty
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +100 W, cooler, +3.9 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +90 W, cooler, +3.5 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +85 W, cooler, +3.3 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +80 W, cooler, +3.1 pp

Found 2327 panels of the same or similar size to this one, within ±10 mm. See them here Found 2369 panels of the same or similar size to this one, within ±25 mm. See them here Found 2383 panels of the same or similar size to this one, within ±50 mm. See them here Found 2548 panels of the same or similar size to this one, within ±100 mm. See them here

About the DeepBlue 3.0 MB Series series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What is bifacial technology in the JA Solar DeepBlue 3.0 MB Series, and does it actually increase energy yield?
Yes. The MB designation stands for Multi-Busbar Bifacial - the module has an active rear surface that captures albedo light reflected from the ground. In practice, rear-side energy gains can reach up to 30% compared to a conventional monofacial panel when installed over a bright surface (gravel, concrete, snow). On a typical pitched roof, the gain is typically 5-15%. The DeepBlue 3.0 MB Series delivers a front-side peak power of 550 Wp.
What warranty does the JA Solar DeepBlue 3.0 MB Series carry?
JA Solar provides a 12-year product warranty covering material and manufacturing defects, plus a 30-year linear power output warranty. The gallium-doped p-type PERC cell technology eliminates Light-Induced Degradation (LID), resulting in a slower long-term power decline compared to standard boron-doped PERC cells. This is one of the longest performance warranties currently available in the PERC segment.
Can JA Solar DeepBlue 3.0 MB Series panels handle heavy snow and strong winds in Central European climates?
Yes. DeepBlue 3.0 MB modules are certified for snow load up to 5,400 Pa and wind load up to 2,400 Pa - sufficient for Polish climatic zones and local building code requirements. The dual-tempered glass construction (2 mm front + 2 mm rear) provides high mechanical strength, and the IP68-rated junction box protects electrical components from moisture ingress.
How do Half-Cut cells and Multi-Busbar (MBB) technology in the DeepBlue 3.0 Series perform under partial shading?
Half-cut cells split each cell in half, so shading one section does not fully block the entire string. The 11-busbar MBB design shortens the current path and lowers internal resistance. As a result, DeepBlue 3.0 MB installations handle chimneys, dormers, and inter-row shading on utility farms significantly better than conventional 6-busbar modules - partial shading power losses are noticeably reduced.
What type of installation is the JA Solar DeepBlue 3.0 MB Series best suited for - residential rooftop or utility-scale?
The 72-cell format (approx. 2278 × 1134 mm, ~28 kg) is optimized primarily for commercial and utility-scale PV farms where minimizing LCOE is the priority. For residential pitched roofs, smaller variants from the DeepBlue 3.0 family are a better fit. On industrial rooftops, warehouses, and ground-mounted farms, the 550 Wp MB module excels - maximizing power density per available square meter.
Do gallium-doped PERC cells in the DeepBlue 3.0 MB really prevent degradation after the system goes live?
Yes. Standard boron-doped PERC cells typically suffer LID during the first weeks of operation, potentially losing 1-3% of rated power. JA Solar uses gallium doping in the DeepBlue 3.0 Series to eliminate this degradation mechanism. As a result, the module maintains its nameplate power from day one and degrades more slowly throughout the 30-year performance warranty period.
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