JS Solar Brand review

JS 220P

220 Wp Polycrystalline

43 of 100

ComparePV verdict

Middle of its segment, weak in heat

Rank 13,702 of 14,005

Compare panels Datasheet PDF

Power (Wp)

220

Typical for its class

Efficiency (%)

16.75

Typical · median 16.80%

Density (Wp/m²)

167.5

Typical · median 167.9

Temp (%/°C)

-0.450

Weak · bottom 4%

Weight (kg)

15.4

Typical · median 17.5 kg

Warranty (yrs)

Typical · median 25 yrs

The JS Solar JS200W-225W series is designed for installations where predictable performance and easy integration with popular inverters and charge controllers are essential. The modules utilize a proven crystalline architecture and emphasize stable parameter performance, making them well-suited for environments where operating conditions can change rapidly, from cool mornings to hot rooftops. A key feature is the positive power tolerance, which helps to minimize the risk of underestimating actual energy production. The use of tempered glass with an anti-reflective coating maximizes the use of diffuse light, which is crucial in the Polish climate, especially during cloudy and winter conditions. In practice, the series offers a robust design and stable performance in daily operation, as well as compatibility with MC4 connectors, which simplifies installation and maintenance. This makes it a good choice for homes, workshops, small businesses, patios, and off-grid systems, where reliability and ease of expansion are important.

Ranking

609 panels in the 120-320 W band, all technologies

Metric This panel Median Position in segment Overall rank

Module efficiency 16.75% 16.80% Typical 13,516

Power density 167.5 167.9 Typical 13,504

Temperature coefficient -0.450 -0.370 Weak · bottom 4% 13,852

Weight per kWp 70.0 67.3 Typical 13,406

Performance warranty 25 yrs 25 yrs Typical 9,798

Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

4 positive · 5 caution

Best for

Residential, commercial and off-grid.

Not ideal for

Hot climates.

Watch-outs

-0.450 %/°C temperature coefficient

Bottom 4% of the 120-320 W band, against a median of -0.370. Ranked 13,852nd in the whole database.

What owners get

Positive power tolerance

Modules carry a positive power tolerance (typically 0/+5 Wp for this class), ensuring every unit delivers at least its rated output, reducing the risk of underestimating real-world energy yield and minimizing mismatch losses within string configurations.

AR-coated glass for diffuse-light performance

The 3.2 mm tempered glass with anti-reflective coating improves light absorption at low incidence angles and under overcast conditions — a practical advantage in the Polish climate where diffuse irradiance accounts for a significant share of annual insolation, especially in autumn and winter.

25-year linear power warranty

The manufacturer provides a 25-year linear performance warranty, matching the industry baseline shared by peer comparables Waaree ARUN Series and TPL M-48, ensuring predictable LCOE forecasting across the full system depreciation period.

IEC 61215 / IEC 61730 + PID certification

The series holds IEC 61215 (crystalline module durability), IEC 61730 (safety), and PID (Potential Induced Degradation) resistance certifications, confirming EU installation compliance and compatibility with negative-grounded BoS configurations.

Trade-offs

Series discontinued since 2018

The JS200W-225W line was discontinued in 2018 after approximately 8 years on the market (launched 2010). Availability of mechanical spare parts, frames, and replacement glass is limited, and post-sale manufacturer support for this series is significantly reduced compared to active product lines.

Efficiency 15.23–17.13% below current benchmarks

Peak efficiency of 17.13% lags significantly behind peer comparable JA Solar Monocrystalline80 (22.06%) and marginally behind TPL M-48 (17.18%). The gap versus JA Solar implies roughly 29% more roof area required to achieve the same installed capacity.

Manufacturer not on BNEF Tier-1 list (Q1 2026)

JS Solar (Yixing) does not appear on the BloombergNEF bankable manufacturers list for Q1 2026. This limits project bankability for commercial and C&I installations where lenders require Tier-1 module status as a financing condition.

10-year product warranty below industry standard

The workmanship warranty covers 10 years, while Tier-1 manufacturers (JA Solar, LONGi, Jinko Solar) standardly offer 12 years and premium manufacturers up to 25 years. The gap becomes meaningful for warranty claims arising in the second decade of operation.

Notes from the database

Module efficiency of 16.8% is 5.1pp below average for database panels (median: 21.8%)
167.5 W/m² power density is 50.6 W/m² below database median (218.1 W/m²) - requires larger installation area
At -0.45%/°C, loses 0.15pp more power per degree than database median (-0.30%/°C)
At 15.4 kg, this panel is 11.1 kg lighter than database median (26.5 kg) - easier handling during installation
In the top 97% for efficiency among all N-type panels

Specifications

Open datasheet PDF

Nominal power (Pmax) 220 Wp Nameplate at 1000 W/m², 25 °C

Module efficiency 16.75 % Typical Segment median 16.80%

Vmpp · Impp 26.20 V · 8.40 A Operating point at max power

Voc · Isc 31.23 V · 9.23 A Sizes the string length

Max system voltage 1000 V Longer strings than 1000 V modules

Dimensions 1324×992×35 mm · 1.31 m² of roof

Weight 15.4 kg Typical Typical · median 17.5 kg

Cells 48 Polycrystalline

Coefficient Pmax -0.450 %/°C Weak bottom 4% of its segment

Coefficient Voc · Isc -0.320 · 0.060 %/°C

NOCT 45 °C At 800 W/m², 20 °C ambient

Product warranty 10 years Hardware defects only

Performance warranty 25 years Typical median 25 yrs · median 25 yrs

End-of-warranty output 81.4 % Equals 172 W guaranteed

Degradation 3.00 → 0.65 % 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

Irradiance Energy price Price inflation 0%/yr

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

Heat losses

-0.450 %/°C against a segment median of -0.370

Try your own cell temperature (°C) 60° · - · -

Alternatives

All JS Solar panels

Filter these Similar power Same cell type Same manufacturer

Size Any ±10 mm ±25 mm ±50 mm ±100 mm

Panel Power Eff. Temp. Weight Difference

JS Solar JS 220P 220 W 16.75% -0.450 15.4 kg You are here

MYP3054-270 270 W 18.00% -0.370 16.9 kg +50 W, cooler, +1.2 pp

MYP3054-270 270 W 18.00% -0.370 16.9 kg +50 W, cooler, +1.2 pp

MYP3054-265 265 W 17.67% -0.370 16.9 kg +45 W, cooler, +0.9 pp

MYP3036-180 180 W 17.65% -0.370 11.3 kg Cooler, lighter, +0.9 pp

MYP3048-235 235 W 17.54% -0.370 12.5 kg Cooler, lighter, +0.8 pp

MYP3048-235 235 W 17.54% -0.370 15.2 kg +15 W, cooler, +0.8 pp

MYP3054-260 260 W 17.33% -0.370 16.9 kg +40 W, cooler, +0.6 pp

JS 200P 200 W 15.23% -0.450 15.4 kg -20 W, -1.5 pp

JS 205P 205 W 15.61% -0.450 15.4 kg -15 W, -1.1 pp

JS 210P 210 W 16.00% -0.450 15.4 kg -10 W, -0.8 pp

JS 215P 215 W 16.40% -0.450 15.4 kg -0.4 pp

JS 225P 225 W 17.13% -0.450 15.4 kg +0.4 pp

MYM3048-265 265 W 19.80% -0.370 15.2 kg +45 W, cooler, +3.1 pp

Found 25 panels of the same or similar size to this one, within ±10 mm. See them here Found 40 panels of the same or similar size to this one, within ±25 mm. See them here Found 52 panels of the same or similar size to this one, within ±50 mm. See them here Found 52 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered

What warranty comes with the JS Solar JS200W-225W solar panels?

JS Solar provides a 10-year product warranty and a 25-year linear power output warranty on the JS200W-225W series. This means the modules are guaranteed to maintain output above the declared degradation threshold for 25 years. Because JS Solar is not a Tier 1 manufacturer, keeping purchase documentation is advisable — enforcing warranty claims from China typically requires the support of a local distributor.

Is the JS Solar JS200W-225W series still available for purchase?

The JS200W-225W series has been discontinued and is no longer in active distribution. Occasional stock may still be found through secondary market dealers or warehouse clearance. When buying a used module, inspect the glass, frame, and MC4 connectors carefully, and verify how many years of the power warranty remain. For new installations, a currently manufactured series with equal or higher power output is recommended.

Are the JS Solar JS225W panels suitable for off-grid systems, workshops, or garden cabins?

Yes. The 225 Wp output and standard MC4 connectors make these modules a solid match for small autonomous systems using MPPT or PWM charge controllers. They work well in garden cabins, workshops, summer houses, or camper vans. The crystalline architecture makes it straightforward to wire panels in series or parallel to match 12 V, 24 V, or 48 V battery banks common in off-grid BoS configurations.

What does positive power tolerance mean for the JS Solar JS200W-225W and why does it matter?

Positive power tolerance means the panel delivers at least the nameplate wattage under standard test conditions, and often slightly more. A module labeled 225 Wp will never fall below that figure at STC. In practice this reduces the risk of underestimating system yield during design and ensures the actual LCOE calculation stays favorable compared to panels shipped with negative or zero tolerance.

How do the JS Solar JS200W-225W panels perform in overcast conditions and during Polish winters?

The JS200W-225W modules feature tempered glass with an anti-reflective coating that improves absorption of diffuse radiation — a key advantage in climates where cloud cover dominates for much of the year. The crystalline cell architecture maintains stable efficiency at low temperatures, and the negative temperature coefficient of power means cold, bright winter days can produce surprisingly strong output.

Which inverters and charge controllers are compatible with the JS Solar JS200W-225W series?

The series is designed for broad compatibility with standard grid-tied inverters and MPPT or PWM charge controllers fitted with MC4 connectors. The open-circuit voltage of individual modules falls within the input range of most residential inverters. Before installation, confirm with your installer that the string voltage stays within the inverter's MPPT window, especially when wiring multiple panels in series.

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