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JA Solar MYM6036-210
JA Solar Brand review

MYM6036-210

210 Wp PERC
ComparePV verdict

Middle of its segment, weak in heat

Rank 13,602 of 14,129
Compare panels Datasheet PDF
Power (Wp)
210
Typical for its class
Efficiency (%)
19.09
Typical · median 16.80%
Density (Wp/m²)
179.5
Typical · median 168.0
Temp (%/°C)
-0.390
Weak · bottom 9%
Weight (kg)
12.5
Typical · median 15.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The JA Solar M6 series (including models such as JAM60S20 and similar variants) utilizes monocrystalline PERC cells in a half-cut configuration, which provides more stable performance in real-world rooftop and ground-mounted applications. Thanks to the multi-busbar architecture, the current is distributed more evenly across the cell, reducing losses due to micro-cracks and improving long-term energy yield. This design also enhances shade tolerance - when a shadow falls on a portion of the module, the rest of the system continues to function effectively, rather than causing a sudden drop in power output.

The M6 series is a good choice for investors who want to combine high power density with reasonable dimensions - both for typical residential installations and larger commercial projects, where installation time and ease of integration are important factors. A key advantage of this series is lower risk of hot spots, which translates into greater safety and predictable energy yields over the long term.

Ranking

57 panels in the segment PERC 200-250 W
Metric This panel Median Position in segment Overall rank
Module efficiency 19.09% 16.80% Typical 13,010
Power density 179.5 168.0 Typical 13,321
Temperature coefficient -0.390 -0.370 Weak · bottom 9% 13,659
Weight per kWp 59.5 62.5 Typical 12,280
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

4 positive · 5 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Hot climates.

Watch-outs
-0.390 %/°C temperature coefficient

Bottom 9% of the PERC 200-250 W segment, against a median of -0.370. Ranked 13,659th in the whole database.

What owners get
Half-cut PERC + multi-busbar design

The half-cut cell architecture combined with multi-busbar (MBB) layout reduces series resistance and limits micro-crack losses. According to the JAM60S20 datasheet, JA Solar claims improved shading tolerance and lower hot-spot risk compared to standard full-cell modules with fewer busbars.

BNEF Tier-1 - confirmed bankability

JA Solar has maintained BNEF Tier-1 status continuously for over a decade, including the March 2026 edition. This means M6-series modules are accepted by banks financing non-recourse projects, directly affecting the availability and cost of project financing.

25-year linear power warranty

The manufacturer provides a 25-year linear power output warranty across all variants in the series - the Tier-1 segment standard - giving investors a solid basis for LCOE modeling over the full project payback period.

Wide power range - 11 variants (195-455 Wp)

The series spans 11 variants from 195 to 455 Wp, enabling module selection for small residential rooftops with limited area as well as larger commercial projects, simplifying BoS without mixing series.

Trade-offs
Series discontinued (2022)

JA Solar ceased production of the M6 series around 2022. Availability of new units on the secondary market is limited, and sourcing replacements for damaged modules may become increasingly difficult over the next 15-20 years of system operation.

Efficiency up to 20.6% - well below peer comparables

The series peaks at 20.6% module efficiency, while direct peer comparables reach 22.56-22.80% (Solitek SOLRIF D Black 22.56%, LEDVANCE M435~455N54LB-SF-F7 22.77%, Sunlike Solar SKT420~455M10-108D6 22.80%). The ~2.2 pp gap translates to roughly 11% more panel area required for the same target system capacity.

Minimum product warranty only 10 years

Some variants in the series carry only a 10-year product warranty (range: 10-12 years across SKUs). Current Tier-1 competitors standardly offer 12-15-year product warranties, placing the lower-end M6 SKUs below present market expectations.

Monofacial only - no rear-side yield

The M6 series is not bifacial, excluding additional energy yield from ground-reflected albedo. On high-albedo surfaces (gravel, concrete, snow), bifacial modules typically generate 5-15% more energy per year at no additional land cost.

Notes from the database
  • At 19.1% efficiency, this panel is on par with typical PERC 0-400W modules
  • Power density of 179.5 W/m² is 14.7 W/m² below PERC 0-400W median (194.2 W/m²) - needs more roof space
  • Temperature coefficient of -0.39%/°C is 0.03pp worse than PERC 0-400W median (-0.36%/°C) - higher losses in summer heat
  • Weight of 12.5 kg (8.0 kg below PERC 0-400W median of 20.5 kg) allows easier transport and roof mounting
  • Ranked #13010 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 210 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 19.09 % Typical Segment median 16.80%
Vmpp · Impp 21.78 V · 9.64 A Operating point at max power
Voc · Isc 24.44 V · 10.88 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1560×750×35 mm · 1.17 m² of roof
Weight 12.5 kg Typical Typical · median 15.0 kg
Cells 36 · PERC Monocrystalline
Coefficient Pmax -0.390 %/°C Weak bottom 9% of its segment
Coefficient Voc · Isc -0.300 · 0.060 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs

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
-

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

Heat losses
-0.390 %/°C against a segment median of -0.370
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
JA Solar MYM6036-210 210 W 19.09% -0.390 12.5 kg You are here
GKA182M160W 160 W 23.00% - 9.0 kg -50 W, +3.9 pp, +5 yr warranty
GKA182M180W 180 W 23.00% - 9.0 kg Lighter, +3.9 pp, +5 yr warranty
GKA182M200W 200 W 23.00% - 9.0 kg Lighter, +3.9 pp, +5 yr warranty
GKA182M240W 240 W 23.00% - 10.8 kg +30 W, +3.9 pp, +5 yr warranty
GKA182M260W 260 W 23.00% - 10.8 kg +50 W, +3.9 pp, +5 yr warranty
NS-220MH-80 220 W 22.06% -0.290 10.5 kg Cooler, lighter, +3.0 pp
NS-220MH-80 220 W 22.06% -0.290 10.5 kg Cooler, lighter, +3.0 pp
DM260M10T-B32HBT 260 W 22.00% -0.290 15.3 kg +50 W, cooler, +2.9 pp
DM255M10T-B32HBT 255 W 21.60% -0.290 15.3 kg Cooler, +2.5 pp, +5 yr warranty
YH250W-16M 250 W 21.22% -0.340 12.4 kg Cooler, +2.1 pp, +5 yr warranty
MYM6036-195 195 W 17.73% -0.390 12.5 kg -15 W, -1.4 pp
MYM6036-200 200 W 18.19% -0.390 12.5 kg -10 W, -0.9 pp
MYM6036-205 205 W 18.64% -0.390 12.5 kg -0.4 pp
MYM6036-215 215 W 19.55% -0.390 12.5 kg +0.5 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg +70 W, cooler, +4.2 pp
ZEUS 3.2 285WP FullBlack 285 W 23.14% -0.260 15.6 kg +75 W, cooler, +4.1 pp

Found 5 panels of the same or similar size to this one, within ±10 mm. See them here Found 19 panels of the same or similar size to this one, within ±25 mm. See them here Found 39 panels of the same or similar size to this one, within ±50 mm. See them here Found 162 panels of the same or similar size to this one, within ±100 mm. See them here

About the M6 series series

6 answered

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

Is the JA Solar M6 series (JAM60S20) still available for purchase?
The JA Solar M6 series, including the JAM60S20 model, has been discontinued. New units are no longer in regular distribution - only residual stock may occasionally be found. If you need a current JA Solar alternative with comparable performance, consider newer TOPCon-based series such as the Deep Blue 4.0, which deliver higher efficiency in a similar footprint.
What warranties does the JA Solar M6 series carry - product and power output?
JA Solar provides a 12-year product warranty covering defects in materials and workmanship, plus a 25-year linear power output warranty. After 25 years of operation the module should retain at least 80.7% of its rated power. These are standard Tier-1 conditions that provide reliable return-on-investment predictability over the full system lifetime.
What is PERC half-cut technology with multi-busbar and what does it mean for the M6 series in real-world use?
PERC half-cut cells are split in two, reducing internal resistance and lowering current losses per cell. The multi-busbar layout distributes current more evenly across the cell, reducing interconnection stress and minimizing microcracks. In practice, M6 modules maintain higher energy yield over time and tolerate localized cell damage better than older full-cell modules.
What is the maximum power output of the JA Solar M6 panel and what are the module dimensions?
The top variant in the M6 series reaches 455 Wp. The standard module (120 cells, 6×20 layout) measures approximately 1769×1052×35 mm and weighs about 20.5 kg. These dimensions make rooftop transport and installation on standard aluminum racking straightforward without the need for heavy lifting equipment.
How well does the JA Solar M6 handle partial shading - for example from a chimney or dormers?
The half-cut architecture splits the module into two electrically independent halves, so shade on the lower portion does not fully suppress output from the upper half. Combined with multi-busbar cell interconnection, this also reduces hot-spot risk in shaded areas. The M6 series performs noticeably better under partial shading than older full-cell modules, making it well-suited for rooftops with chimneys, antennas, or adjacent obstructions.
Is JA Solar a reliable manufacturer and are the M6 series warranties financially secure?
JA Solar is classified as a Tier-1 manufacturer by independent industry agencies, including BloombergNEF, confirming the financial stability and operational capacity required to back long-term warranty obligations. The company is one of the world's largest PV module suppliers with a well-established presence in European markets. The M6 series was produced during a period when the brand had already solidified its global reputation.
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