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MY Solar Brand review

MYM2060-320

320 Wp PERC
ComparePV verdict

Space saver, no clear weak spot

Rank 13,096 of 14,129
Compare panels Datasheet PDF
Power (Wp)
320
Typical for its class
Efficiency (%)
19.67
Strong · top 23%
Density (Wp/m²)
196.7
Strong · top 22%
Temp (%/°C)
-0.370
Typical · median -0.360
Weight (kg)
18.5
Typical · median 19.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

MY Solar M2 series photovoltaic panels are a solution designed to maximize energy yields while maintaining the highest aesthetics of the installation. The use of advanced Half-cut cell technology allows for a significant reduction in resistance losses and better module performance in partial shading conditions, which directly translates into power production stability. Thanks to the use of Multi-busbar (MBB), the M2 series features a shortened electron flow path, which not only increases efficiency but also enhances the mechanical resistance of the cells to micro-cracks. For investors seeking reliability, high resistance to potential-induced degradation (PID) is key, guaranteeing the maintenance of high performance parameters over many years of operation. These modules are an ideal choice for owners of single-family homes and businesses that care about the optimal use of available roof space. What sets the M2 series apart from the competition is the perfect balance between innovative technology and durability in difficult weather conditions. These panels effectively handle heavy snow and wind loads, ensuring safety and peace of mind in the Polish climate. It is a smart investment for those who focus on reliability and modern design of PV systems.

Ranking

291 panels in the segment PERC 300-350 W
Metric This panel Median Position in segment Overall rank
Module efficiency 19.67% 19.00% Strong · top 23% 12,645
Power density 196.7 190.0 Strong · top 22% 12,614
Temperature coefficient -0.370 -0.360 Typical 13,161
Weight per kWp 57.8 60.3 Typical 11,515
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 · 4 caution
Best for

Residential, commercial and shaded-installations.

Strengths
196.7 watts per square metre

Top 22% of the PERC 300-350 W segment, against a median of 190.0.

19.67% module efficiency

Top 23% of the PERC 300-350 W segment, against a median of 19.00%.

What owners get
Efficiency up to 21.2% - competitive vs. peers

Maximum efficiency of 21.2% at 385 Wp matches or exceeds comparable models at the same power class: Solarwatt Vision GM 3.0 pure (20.7%), Suntech Ultra S mini (21.1%), and JA Solar JAM60D20 (20.6%). This is a strong result for PERC technology, which typically trails newer N-type platforms.

Half-cut cells + MBB busbars

The combination of half-cut cell technology with multi-busbar (MBB) design shortens the electron flow path, reducing resistive losses and improving cell resistance to microcracks. It also improves module behavior under partial shading, stabilizing real-world energy yield.

High PID resistance

The modules feature enhanced resistance to potential-induced degradation (PID), limiting power loss from electrochemical effects and supporting stable output throughout the 25-year linear power warranty period.

Broad power range: 270-385 Wp, 11 variants

An extensive lineup of 11 power variants from 270 to 385 Wp gives flexibility to match module selection to specific roof area and system requirements, for both residential and commercial installations.

Trade-offs
Series discontinued

The M2 series is discontinued, meaning limited availability of replacement modules in case of failure or warranty claims, and potential difficulty servicing installations long-term despite the 12-year product warranty.

Manufacturer not on BNEF Tier 1 list

MY Solar does not appear on BloombergNEF's Tier 1 bankable manufacturer list (updated quarterly; Q2 2026 covers 42 companies including Jinko, LONGi, Trina, and JA Solar). This can complicate non-recourse project financing and reduce confidence from insurers and institutional investors.

Product warranty only 12 years

A 12-year product warranty falls below the current market standard, where even budget-segment panels increasingly offer 15 years, and premium models reach 25-30 years combined product/power warranty.

PERC - legacy cell technology

PERC cells are being superseded by N-type platforms (TOPCon, HJT), which dominate the premium segment in 2026 with higher efficiency ceilings (22-23%) and lower annual degradation. This may affect the installation's relative residual value over the long term.

Notes from the database
  • At 19.7% efficiency, this panel is on par with typical PERC 0-400W modules
  • At 196.7 W/m² power density, roof space requirements are typical for PERC 0-400W panels
  • Temperature coefficient of -0.37%/°C matches the PERC 0-400W median
  • Weight of 18.5 kg (2.0 kg below PERC 0-400W median of 20.5 kg) allows easier transport and roof mounting
  • Ranked #12645 out of 14129 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 320 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 19.67 % Strong Segment median 19.00%
Vmpp · Impp 33.30 V · 9.61 A Operating point at max power
Voc · Isc 40.90 V · 10.10 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1640×992×35 mm · 1.63 m² of roof
Weight 18.5 kg Typical Typical · median 19.0 kg
Cells 60 · PERC Monocrystalline
Coefficient Pmax -0.370 %/°C Typical median -0.360 of its segment
Coefficient Voc · Isc -0.290 · 0.048 %/°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
Degradation 2.50 % First year

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
-0.370 %/°C against a segment median of -0.360
-

Alternatives

All MY Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
MY Solar MYM2060-320 320 W 19.67% -0.370 18.5 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +3.6 pp
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +3.6 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg Cooler, +3.6 pp, +5 yr warranty
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +3.5 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +3.5 pp
ZEUS 3.2 285WP FullBlack 285 W 23.14% -0.260 15.6 kg Cooler, +3.5 pp, +5 yr warranty
GKA182M285W 285 W 23.00% - 10.8 kg Lighter, +3.3 pp, +5 yr warranty
GKA182M270W 270 W 23.00% - 10.8 kg -50 W, lighter, +3.3 pp
GKA182M300W 300 W 23.00% - 16.2 kg Lighter, +3.3 pp, +5 yr warranty
MYM2060-305 305 W 18.75% -0.370 18.5 kg -15 W, -0.9 pp
MY-M2/60-310 310 W 19.05% -0.370 18.5 kg -10 W, -0.6 pp, +5 yr warranty
MY-M2/60-315 315 W 19.36% -0.370 18.5 kg -0.3 pp, +5 yr warranty
MY-M2/60-325 325 W 19.97% -0.370 18.5 kg +0.3 pp, +5 yr warranty
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg Cooler, +2.9 pp, +15 yr warranty
LEPV 400 400 W 22.31% -0.290 20.0 kg +80 W, cooler, +2.6 pp
NS-360MH-60 360 W 22.12% -0.290 17.0 kg +40 W, cooler, +2.4 pp

Found 191 panels of the same or similar size to this one, within ±10 mm. See them here Found 227 panels of the same or similar size to this one, within ±25 mm. See them here Found 394 panels of the same or similar size to this one, within ±50 mm. See them here Found 487 panels of the same or similar size to this one, within ±100 mm. See them here

About the M2 series series

6 answered

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

Are MY Solar M2 solar panels still available for purchase?
The MY Solar M2 series has been discontinued and is no longer actively manufactured. Availability of new modules depends entirely on remaining distributor stock. Before placing an order, verify current inventory with your supplier, confirm order fulfillment is possible, and check that technical documentation and after-sales service remain accessible.
What warranty does the MY Solar M2 series come with, and what does it cover?
MY Solar provides a 12-year product warranty on M2 series panels covering material and manufacturing defects. A separate 25-year linear power output warranty guarantees that the modules maintain adequate performance parameters over a quarter century of operation - a standard level of coverage for PERC modules in the residential prosumer market.
What does the Half-cut PERC cell technology and Multi-busbar (MBB) design actually do in the MY Solar M2 series?
Half-cut cells split each standard cell in two, shortening the current path and reducing resistive losses. MBB busbars further shorten that path and improve mechanical resistance to microcracks. PERC technology enhances rear-surface light absorption. The practical result is higher module efficiency and better performance under partial shading conditions - such as shade cast by chimneys or dormers.
How many MY Solar M2 panels at 385 Wp do I need for a single-family home?
A typical single-family home consuming 3,500-5,000 kWh per year usually requires 8-14 M2 panels (a 3-5 kWp system). The exact number depends on roof orientation, tilt angle, shading, and individual energy consumption. A qualified installer should perform a proper site assessment and size the system for your specific situation.
Can MY Solar M2 modules handle heavy snow loads and high winds in a Central European climate?
Yes, the M2 series is designed for demanding weather conditions, including significant snow loads and strong winds - both relevant concerns in Poland, especially in mountainous regions or areas with heavy snowfall. For exact allowable mechanical load ratings (in Pa), consult the datasheet for your specific model variant before installation.
Are MY Solar M2 panels resistant to Potential Induced Degradation (PID)?
Yes, the M2 series features high resistance to Potential Induced Degradation (PID), which can cause progressive power loss in modules operating in high-voltage systems. This is especially important in larger string-inverter installations where system voltages are elevated. Thanks to PID resistance, M2 modules maintain stable output parameters throughout their service life.
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