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Solarwatt Brand review

SOLARWATT Panel vision M 5.0 445Wp

445 Wp TOPCon Bifacial 80%
ComparePV verdict

Efficiency leader, no clear weak spot

Rank 5,595 of 14,005
Compare panels Datasheet PDF
Power (Wp)
445
Strong · top 8%
Efficiency (%)
22.30
Strong · top 17%
Density (Wp/m²)
222.7
Typical · median 220.2
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.8
Typical · median 22.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Solarwatt Panel vision M 5.0 series represents the technological foundation for the most demanding photovoltaic installations, focusing on an uncompromising glass-glass design. The use of double tempered glass panels provides the modules with extreme resistance to variable weather conditions and aggressive environmental factors, eliminating the risk of degradation caused by moisture or ammonia. The use of advanced monocrystalline TOPCon cells allows for exceptional efficiency even at low radiation levels, which directly translates to higher yields in cloudy conditions. These modules effectively solve the problem of mechanical material fatigue, protecting silicon structures from micro-cracks, which clearly distinguishes them from standard solutions with polymer backsheets. It is an ideal choice for private and business investors whose priority is maximum fire safety and the highest class of durability. This series stands out from the competition with its optimized production process and architecture, which guarantees above-average output power stability over many decades. By investing in these panels, you gain the certainty of failure-free operation, minimizing operating costs and maximizing the final profitability of the entire energy system. Choosing the vision M 5.0 series means opting for European quality standards and engineering precision.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.30% 22.00% Strong · top 17% 5,100
Power density 222.7 220.2 Typical 5,302
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 55.7 51.4 Typical 10,127
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

1 positive · 0 caution
Best for

Residential and commercial.

Strengths
22.30% module efficiency

Top 17% of the TOPCon 400-450 W segment, against a median of 22.00%.

Notes from the database
  • Efficiency of 22.3% matches the TOPCon 400-450W median
  • At 222.7 W/m² power density, roof space requirements are typical for TOPCon 400-450W panels
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • At 24.8 kg, this panel is 2.8 kg heavier than the TOPCon 400-450W median (22.0 kg) - more demanding for installation crews
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces

Specifications

Open datasheet PDF
Nominal power (Pmax) 445 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.30 % Strong Segment median 22.00%
Vmpp · Impp 33.00 V · 13.50 A Operating point at max power
Voc · Isc 39.60 V · 14.00 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×35 mm · 2.00 m² of roof
Weight 24.8 kg Typical Typical · median 22.0 kg
Cells 108 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.050 %/°C
NOCT 42 °C At 800 W/m², 20 °C ambient
Product warranty 30 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 90.0 % Equals 401 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
-
With bifacial gain
-

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

Heat losses
-0.290 %/°C against a segment median of -0.290
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Alternatives

All Solarwatt panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Solarwatt SOLARWATT Panel vision M 5.0 445Wp 445 W 22.30% -0.290 24.8 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +50 W, lighter, +2.5 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +45 W, lighter, +2.2 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +45 W, lighter, +2.2 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +40 W, lighter, +2.0 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +40 W, lighter, +2.0 pp
LR7-54HJD-495M 495 W 24.30% -0.240 23.5 kg +50 W, cooler, +2.0 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +40 W, lighter, +2.0 pp
SOLARWATT Panel vision M 5.0 440Wp 440 W 22.00% -0.290 24.8 kg -0.3 pp
SOLARWATT Panel vision M 5.0 450 Wp 450 W 22.50% -0.290 24.8 kg Very close match
SOLARWATT Panel vision M 5.0 455 Wp 455 W 22.80% -0.290 24.8 kg +10 W, +0.5 pp
SOLARWATT Panel vision M 5.0 460 Wp 460 W 23.00% -0.290 24.8 kg +15 W, +0.7 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +65 W, cooler, +2.7 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +60 W, cooler, +2.4 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +55 W, cooler, +2.2 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +55 W, lighter, +2.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 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 Solarwatt Panel vision M 5.0?
The vision M 5.0 series is backed by a 30-year product warranty and a 30-year power warranty. After 30 years, Solarwatt guarantees at least 90% of the original nominal power output. This is one of the longest warranty periods available in the PV market, reflecting the manufacturer's confidence in the glass-glass construction and TOPCon cell technology.
What is TOPCon technology in the vision M 5.0 and is it worth the premium?
TOPCon (Tunnel Oxide Passivated Contact) is currently one of the most efficient monocrystalline cell technologies available. In the vision M 5.0, it delivers up to 23% module efficiency and a low temperature coefficient of -0.29%/°C, meaning smaller power losses on hot days. Compared to PERC cells, TOPCon produces more energy both under full sun and in diffuse-light conditions common in Central European climates.
How does the Solarwatt Panel vision M 5.0 perform in overcast or low-irradiance conditions?
Very well. The TOPCon half-cut cells in the vision M 5.0 are optimized for high sensitivity to diffuse radiation, translating to better energy yield on cloudy days that are frequent in Poland during fall and winter. Module efficiency reaching 23% combined with a low temperature coefficient ensures consistent output year-round, making this series a solid choice for climates with significant cloud cover.
What is the difference between the glass-glass construction of the vision M 5.0 and standard polymer backsheet panels?
Standard PV modules use a polymer backsheet that can allow moisture ingress over time, leading to delamination or cell corrosion. The vision M 5.0 uses dual tempered glass, eliminating that risk entirely. The result is superior resistance to ammonia (relevant for agricultural installations), no thermally induced microcracks, and a higher fire safety classification — all key factors for long-term LCOE optimization.
Does the bifacial design of the vision M 5.0 actually increase energy output in a typical residential installation?
The vision M 5.0 is bifacial, meaning the rear side also generates power from reflected irradiance. On typical pitched roofs the gain is modest (a few percent), but on flat roofs with a light-colored membrane or in ground-mounted systems the bifacial boost can reach 10–15% above the rated 450 Wp. To maximize this benefit, the racking system should provide adequate clearance beneath the module.
How heavy is the Solarwatt vision M 5.0 and can it be installed on a standard pitched roof?
The vision M 5.0 weighs approximately 24.8 kg with dimensions of 1762 × 1134 × 35 mm. These are standard form-factor specs compatible with most racking systems on the market. The weight is comparable to other glass-glass bifacial modules, so no special load-bearing structure is required for a typical pitched roof installation, although a structural assessment is recommended for larger arrays.
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