--- title: "Solarwatt SOLARWATT Panel vision M 5.0 450Wp 450W Solar Panel - Specs & Review | ComparePV" description: "Solarwatt SOLARWATT Panel vision M 5.0 450Wp 450W solar panel. Specs: 22.50% efficiency, Monocrystalline cells." source: "https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-450wp" updated: 2026-09-11 --- # Solarwatt SOLARWATT Panel vision M 5.0 450Wp Middle of its segment, heavy for its output 1,089 panels in the segment TOPCon 450-500 W ## Identity - **Manufacturer:** Solarwatt - **Model:** SOLARWATT Panel vision M 5.0 450Wp - **Series:** Panel vision M 5.0 - **Rated power:** 450 W - **Cell technology:** TOPCon - **Bifacial:** yes ## How it compares Compared against segment TOPCon 450-500 W (1089 panels). | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Power (Wp) | 450 W | 465 W | Weak - bottom 9% | | | Module efficiency | 22.50% | 22.52% | Typical | 4,222 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight (kg) | 24.8 kg | 24.0 kg | Weak - bottom 15% | | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Full peer table | Measure | This panel | Segment median | Standing | Rank | | --- | --- | --- | --- | --- | | Module efficiency | 22.50% | 22.52% | Typical | 4,222 | | Power density | 225.2 | 225.2 | Typical | 4,225 | | Temperature coefficient | -0.290 | -0.290 | Typical | 2,165 | | Weight per kWp | 55.1 | 52.2 | Weak - bottom 15% | 9,543 | | Performance warranty | 30 yrs | 30 yrs | Typical | 21 | ### Watch out for - **55.1 kg per kWp** - Bottom 15% of the TOPCon 450-500 W segment, against a median of 52.2. - **Best for:** Residential and commercial. - **Not ideal for:** Weight-limited structures. ## Specification ### Electrical - **Rated power (Pmax):** 450 W - **Efficiency:** 22.50 % - **Voltage at Pmax (Vmp):** 33.20 V - **Current at Pmax (Imp):** 13.50 A - **Open-circuit voltage (Voc):** 39.80 V - **Short-circuit current (Isc):** 14.00 A - **Max system voltage:** 1500 V ### Temperature - **Temperature coefficient of Pmax:** -0.290 %/degC - **Temperature coefficient of Voc:** -0.250 %/degC - **Temperature coefficient of Isc:** 0.050 %/degC - **NOCT:** 42 degC ### Cell and construction - **Cell type:** Monocrystalline - **Cell technology:** TOPCon - **Cell count:** 108 - **Bifacial:** yes ### Physical - **Length:** 1762 mm - **Width:** 1134 mm - **Thickness:** 35 mm - **Weight:** 24.8 kg - **Area:** 2.00 m2 - **Power density:** 225.2 Wp/m2 ### Warranty and degradation - **Product warranty:** 30 years - **Performance warranty:** 30 years - **Output guaranteed at end of warranty:** 90.0 % - **Output after 30 years:** 405 W ## Rank in the whole catalogue | Measure | Position | | --- | --- | | Efficiency | 4222 of 14005 | | Power density | 4225 of 14005 | | Temperature coefficient | 2165 of 14005 | | Weight | 9543 of 14005 | | Warranty | 21 of 14005 | ## About this series 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. ## Notable figures - At 22.5% efficiency, this panel is on par with typical \*\*TOPCon 450-500W\*\* modules - At 225.2 W/m² power density, roof space requirements are typical for \*\*TOPCon 450-500W\*\* panels - At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 450-500W\*\* panels - Bifaciality factor of 80% can add 4-12% extra yield with reflective mounting surface - #4222 for efficiency, #2165 for temperature performance out of 14005 panels ## Questions ### 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. ## Datasheet [Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Data_sheet_SOLARWATT_Panel_vision_M_50_en-610d0a212187.pdf) ## Alternatives | Panel | Power | How it differs | | --- | --- | --- | | [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +45 W, lighter, +2.3 pp | | [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +40 W, lighter, +2.0 pp | | [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +50 W, cooler, +2.0 pp | | [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +50 W, lighter, +2.0 pp | | [Gokin GK-3-54HGb-500M](https://comparepv.com/panel/gokin-gk-3-54hgb-500m) | 500 W | +50 W, lighter, +2.0 pp | | [GCL GCL-NR10R/54BGDF](https://comparepv.com/panel/gcl-gcl-nr10r-54bgdf) | 500 W | +50 W, cooler, +2.0 pp | | [Solarwatt SOLARWATT Panel vision M 5.0 440Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-440wp) | 440 W | -10 W, -0.5 pp | | [Solarwatt SOLARWATT Panel vision M 5.0 445 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-445-wp) | 445 W | Very close match | | [Solarwatt SOLARWATT Panel vision M 5.0 455 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-455-wp) | 455 W | +0.3 pp | | [Solarwatt SOLARWATT Panel vision M 5.0 460 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-460-wp) | 460 W | +10 W, +0.5 pp | | [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +60 W, cooler, +2.5 pp | | [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +55 W, cooler, +2.2 pp | --- Source: https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-450wp Not in this file, on the page: a thirty-year output simulator, a bifacial gain calculator and alternatives filtered by how closely they match these dimensions.