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Jinko Solar Brand review

JS210MC120-405

405 Wp PERC
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 12,666 of 14,129
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
21.10
Strong · top 17%
Density (Wp/m²)
210.7
Strong · top 18%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
21.0
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Jinko Solar JS210MC120 series is designed to maximize energy yield from the same roof or ground-mounted structure. The use of a larger wafer-based architecture and the arrangement of multiple cut cells allows for efficient operation even when the installation is partially shaded, and losses in the string are minimized. In practice, this means more stable production throughout the day and better utilization of morning and afternoon sunlight.

Compared to the competition, these modules stand out due to their high conversion efficiency in a format compatible with standard mounting structures and favorable performance at elevated temperatures, which is important for roofs with limited ventilation. An additional advantage is resistance to environmental conditions and a high level of workmanship, which facilitates long-term operation.

This solution is ideal for investors who want to build a high-density residential, commercial, or utility-scale solar installation, prioritizing reliable performance and predictable yields over many years.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.10% 20.60% Strong · top 17% 9,365
Power density 210.7 206.2 Strong · top 18% 9,633
Temperature coefficient -0.350 -0.350 Typical 10,489
Weight per kWp 51.9 53.0 Typical 5,262
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 2 caution
Best for

Residential, commercial and shaded-installations.

Strengths
21.10% module efficiency

Top 17% of the PERC 400-450 W segment, against a median of 20.60%.

210.7 watts per square metre

Top 18% of the PERC 400-450 W segment, against a median of 206.2.

What owners get
Highest efficiency among peer comparables

The top-bin JS210MC120-405 variant reaches 21.1% module efficiency, outperforming all peer comparables: EGing PV STAR Series (20.74%), VSUN405-108BMH-DG (20.74%), and Goldi Solar GS10-M108-BF (20.66%). The ~0.36 pp gap over the nearest competitor translates into measurably higher energy yield per unit of roof or ground area.

Bloomberg BNEF bankability leader

JinkoSolar is the only module manufacturer rated 100% bankable in the Bloomberg BNEF 2025 Bankability Report, holding the #1 position for 10 consecutive years. For investors and project lenders, this translates to the lowest counterparty risk and the strongest assurance that a 25-year power warranty will be honored.

120 half-cut cell architecture on 210 mm wafers

Splitting cells in half reduces operating current by 50%, lowering resistive (I²R) losses in strings and limiting the impact of partial shading: when the upper half of the module is shaded, the lower half continues to operate unimpaired. The 210 mm wafer format delivers 405 Wp within a module footprint compatible with standard racking systems.

25-year linear power warranty

Jinko Solar guarantees a linear degradation profile over 25 years with a minimum retained output of ~80.7% of nameplate power (standard for their PERC lineup), providing predictable LCOE modeling and long-term bankable performance documentation.

Trade-offs
PERC technology - higher LID and lower long-term retention

P-type PERC cells exhibit light-induced degradation (LID) of approximately 2% in the first year of operation, compared to <0.5% for N-type TOPCon, which had become the market mainstream by 2026. After 25 years, PERC modules retain roughly 83% of nameplate power vs. ~86% for TOPCon. The JS210MC120 series was released in 2021 and its cell technology trails Jinko's own current Tiger Neo N-type lineup.

Monofacial design

The module is monofacial, whereas peer comparable Goldi Solar GS10-M108-BF offers a bifacial variant at the same 405 Wp nameplate power. In ground-mount or white-membrane rooftop installations, bifacial gain can add 5-15% to annual energy yield from rear-side irradiance - an advantage the JS210MC120 series cannot capture.

Notes from the database
  • At 21.1% efficiency, this panel is on par with typical PERC 400-450W modules
  • At 210.7 W/m² power density, this panel generates 4.5 W/m² more per unit area than PERC 400-450W median (206.2 W/m²)
  • Temperature coefficient of -0.35%/°C matches the PERC 400-450W median
  • At 21.0 kg, weight matches the PERC 400-450W median
  • Ranked #9365 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.10 % Strong Segment median 20.60%
Vmpp · Impp 34.40 V · 11.77 A Operating point at max power
Voc · Isc 41.40 V · 12.34 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1754×1096×30 mm · 1.92 m² of roof
Weight 21.0 kg Typical Typical · median 22.0 kg
Cells 120 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.270 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
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
-0.350 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Jinko Solar JS210MC120-405 405 W 21.10% -0.350 21.0 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +2.2 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.2 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +2.2 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, +2.2 pp, +5 yr warranty
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.2 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, +2.2 pp, +5 yr warranty
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +2.2 pp
JS210MC120-390 390 W 20.30% -0.350 21.0 kg -15 W, -0.8 pp
JS210MC120-395 395 W 20.50% -0.350 21.0 kg -10 W, -0.6 pp
JS210MC120-400 400 W 20.80% -0.350 21.0 kg -0.3 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +3.9 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +90 W, cooler, +3.7 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +3.6 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +100 W, cooler, +3.6 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +85 W, cooler, +3.4 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +95 W, cooler, +3.4 pp

Found 53 panels of the same or similar size to this one, within ±10 mm. See them here Found 67 panels of the same or similar size to this one, within ±25 mm. See them here Found 3708 panels of the same or similar size to this one, within ±50 mm. See them here Found 4212 panels of the same or similar size to this one, within ±100 mm. See them here

About the JS210MC120 series

6 answered

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

What is the maximum power output of the Jinko Solar JS210MC120 series and how many cells does the module contain?
The JS210MC120 series reaches a peak output of up to 405 Wp. The MC120 designation refers to 120 mono-crystalline half-cut cells, meaning each full cell is split in two compared to a standard layout. This reduces internal current levels, lowers resistive losses, and improves real-world conversion efficiency under typical installation conditions.
Is the Jinko Solar JS210MC120 with PERC technology a good choice for a residential rooftop installation?
The PERC cell technology in the JS210MC120 series uses a rear-surface passivation layer to reflect unabsorbed photons back through the cell, increasing energy yield. For residential use this means better output under diffuse irradiance, which is common in Central European climates. As a Tier 1 manufacturer, Jinko Solar has the financial stability to honor its warranties throughout the full service life of the modules.
How does the JS210MC120 series handle partial shading from a chimney or dormer window?
The half-cut cell layout splits the module into two electrically independent halves. When shading falls on one section, only that half reduces output while the rest of the module continues operating at full power. Combined with the larger 210 mm wafer format, this significantly limits string power losses on rooftops where shading occurs seasonally or during morning and afternoon hours.
What warranty comes with the Jinko Solar JS210MC120 panels and what does it cover?
Jinko Solar provides a 25-year linear power output warranty for the JS210MC120 series, guaranteeing the modules retain at least 80-83% of their rated output after 25 years of operation. This is supplemented by a standard product warranty covering material defects and workmanship. As a Tier 1 manufacturer, Jinko Solar has the financial backing to make warranty claims a realistic option for the full warranty period.
Do the JS210MC120 panels perform well in summer when the roof surface gets very hot?
The JS210MC120 series features a favorable temperature coefficient of power, meaning it loses proportionally less output at elevated temperatures compared to older cell types. On a south-facing roof with limited rear ventilation, this translates into more stable production during hot summer months and a better annual energy yield compared to modules with a higher temperature sensitivity.
Are the Jinko Solar JS210MC120 modules weather-resistant and suitable for a pitched roof installation?
Yes, the JS210MC120 series is engineered for long-term outdoor service including snow load and wind pressure typical of Central European winters. The module frame dimensions and standard mounting slot spacing are compatible with widely used rail-based racking systems for pitched roofs covered with ceramic tile, metal tile, or standing-seam sheet metal, simplifying hardware selection and installation planning.
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