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Solarwatt Brand review

Vision 60M style (black edition) 320 Wp

320 Wp PERC
ComparePV verdict

Warranty pick, weak in heat

Rank 12,151 of 14,005
Compare panels Datasheet PDF
Power (Wp)
320
Typical for its class
Efficiency (%)
18.80
Typical · median 19.00%
Density (Wp/m²)
188.2
Typical · median 190.0
Temp (%/°C)
-0.390
Weak · bottom 15%
Weight (kg)
22.0
Weak · 3.0 kg above median
Warranty (yrs)
30
Strong · top 15%

The Solarwatt Vision 60M style (black edition) is a glass-glass type panel with a uniform, deep black aesthetic - featuring a black frame and cleverly concealed connections at the ends of the cells, making the module visually "disappear" on the roof. This is a solution for investors who want to combine high-quality workmanship with a premium look without compromising on durability.

The glass-glass construction translates to above-average mechanical resistance and more stable operation over a longer period, which you will appreciate particularly in demanding weather conditions and on roofs with difficult exposure. Inside, monocrystalline cells are used, and the entire module is designed to better protect it from typical operational problems, such as degradation caused by unfavorable conditions in the installation (PID).

It is a good choice for single-family homes, small roofs, renovations, and installations where a consistent appearance is important. A distinguishing feature compared to the competition is the combination of black design with long warranty and the glass-glass technology, which actually supports reliability, rather than just marketing.

Ranking

286 panels in the segment PERC 300-350 W
Metric This panel Median Position in segment Overall rank
Module efficiency 18.80% 19.00% Typical 13,033
Power density 188.2 190.0 Typical 13,001
Temperature coefficient -0.390 -0.360 Weak · bottom 15% 13,579
Weight per kWp 68.8 60.0 Weak · bottom 22% 13,343
Performance warranty 30 yrs 25 yrs Strong · top 15% 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 2 caution
Best for

Residential and BIPV.

Not ideal for

Hot climates and weight-limited structures.

Strengths
30 year performance warranty

Top 15% of the PERC 300-350 W segment, against a median of 25 yrs.

Watch-outs
-0.390 %/°C temperature coefficient

Bottom 15% of the PERC 300-350 W segment, against a median of -0.360.

68.8 kg per kWp

Bottom 22% of the PERC 300-350 W segment, against a median of 60.0.

Notes from the database
  • At 18.8% efficiency, this panel is 0.6pp below the PERC 0-400W median of 19.4%
  • At 188.2 W/m², this panel generates 6.2 W/m² less per unit area than PERC 0-400W median (194.4 W/m²)
  • -0.39%/°C temperature coefficient - 0.03pp worse than PERC 0-400W median (-0.36%/°C), expect higher hot weather losses
  • Weight of 22.0 kg is 1.5 kg above PERC 0-400W median (20.5 kg) - verify structural support
  • In the top 93% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 320 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 18.80 % Typical Segment median 19.00%
Vmpp · Impp 33.60 V · 9.52 A Operating point at max power
Voc · Isc 40.20 V · 10.20 A Sizes the string length
Max system voltage 1000 V Longer strings than 1000 V modules
Dimensions 1700×1000×35 mm · 1.70 m² of roof
Weight 22.0 kg Weak Weak · 3.0 kg above median
Cells 60 · PERC Monocrystalline
Coefficient Pmax -0.390 %/°C Weak bottom 15% of its segment
Coefficient Voc · Isc -0.280 · 0.040 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Strong top 15% · median 25 yrs
End-of-warranty output 87.0 % Equals 278 W guaranteed

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 -0.360
-

Alternatives

All Solarwatt panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Solarwatt Vision 60M style (black edition) 320 Wp 320 W 18.80% -0.390 22.0 kg You are here
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +4.5 pp
NS-300MH-72 300 W 23.32% -0.290 12.5 kg Cooler, lighter, +4.5 pp
ZEUS 1.2 FullBlack 280W 280 W 23.31% -0.260 14.3 kg Cooler, lighter, +4.5 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +4.3 pp
NS-330MH-80 330 W 23.15% -0.290 15.0 kg Cooler, lighter, +4.3 pp
GKA182M285W 285 W 23.00% - 10.8 kg -35 W, lighter, +4.2 pp
GKA182M270W 270 W 23.00% - 10.8 kg -50 W, lighter, +4.2 pp
GKA182M300W 300 W 23.00% - 16.2 kg -20 W, lighter, +4.2 pp
GKA210M320W 320 W 23.00% - 16.2 kg Lighter, +4.2 pp
Vision 60M style (black edition) 325 Wp 325 W 19.10% -0.390 22.0 kg +0.3 pp
JT440SYK(B) 440 W 22.90% -0.240 23.0 kg +120 W, cooler, +4.1 pp
JT435SYk(B) 435 W 22.70% -0.240 23.0 kg +115 W, cooler, +3.9 pp
SPR-MAX3-400-COM 400 W 22.60% -0.270 19.0 kg Cooler, +3.8 pp, +10 yr warranty
JT430SYk(B) 430 W 22.40% -0.240 23.0 kg +110 W, cooler, +3.6 pp
LEPV 400 400 W 22.31% -0.290 20.0 kg +80 W, cooler, +3.5 pp
NS-360MH-60 360 W 22.12% -0.290 17.0 kg Cooler, lighter, +3.3 pp

Found 41 panels of the same or similar size to this one, within ±10 mm. See them here Found 161 panels of the same or similar size to this one, within ±25 mm. See them here Found 289 panels of the same or similar size to this one, within ±50 mm. See them here Found 812 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
Is the Solarwatt Vision 60M style (black edition) series still available for purchase?
The Solarwatt Vision 60M style (black edition) has been discontinued and is no longer an active product in the manufacturer's lineup. Stock availability may still vary among distributors. If you're looking for a similar all-black glass-glass aesthetic from Solarwatt, it's worth checking the brand's current portfolio with your local supplier.
What warranty does the Solarwatt Vision 60M style (black edition) come with?
Solarwatt offers a 30-year product warranty (covering defects in materials and workmanship) and a 30-year linear power output warranty. This exceeds the industry-standard 10-12 years for product coverage. The extended warranty is supported by the glass-glass construction, which provides superior moisture and mechanical protection compared to conventional backsheet modules.
How does the glass-glass construction of the Solarwatt Vision 60M differ from a standard backsheet panel?
Standard modules use a polymer backsheet that can develop microcracks and allow moisture ingress over time. The Vision 60M style (black edition) replaces the backsheet with a 2 mm tempered glass layer, dramatically improving mechanical resistance and reducing water vapor permeability. The result is slower PERC cell degradation and more stable power output over the full 30-year warranty period.
How heavy is the Solarwatt Vision 60M style (black edition) and is it difficult to install on a pitched roof?
The module weighs approximately 22 kg with dimensions of 1700 x 1000 mm. The added weight over a backsheet module comes from the dual glass construction. Two-person installation is recommended on pitched roofs. The compact 60-cell format is well-suited for smaller roof areas or layouts with limited available space.
Do the PERC cells in the Solarwatt Vision 60M style (black edition) perform well in cloudy conditions or high temperatures?
Monocrystalline PERC cells deliver higher efficiency than older standard cells, translating to better yield under diffuse irradiance such as overcast skies or haze. At high temperatures, output decreases at approximately -0.39%/°C, which is typical for PERC technology. The glass-glass structure also helps limit heat build-up on the rear side of the module.
Is the Solarwatt Vision 60M style (black edition) resistant to PID and compatible with high-voltage string inverter systems?
Yes, the Vision 60M style (black edition) is designed for PID (Potential Induced Degradation) resistance. It is certified for a maximum system voltage of 1000 V DC and carries Protection Class II under IEC 61140, meaning the aluminum frame does not require grounding. This makes it suitable for transformerless string inverter systems and off-grid setups where system voltage is elevated.
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