---
title: "Solarwatt SOLARWATT Panel vision M 5.0 445 Wp 445W Solar Panel - Specs & Review | ComparePV"
description: "Solarwatt SOLARWATT Panel vision M 5.0 445 Wp 445W solar panel. Specs: 22.30% efficiency, Monocrystalline cells."
source: "https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-445-wp"
updated: 2026-09-11
---

# Solarwatt SOLARWATT Panel vision M 5.0 445 Wp

Efficiency leader, no clear weak spot

1,218 panels in the segment TOPCon 400-450 W


## Identity

- **Manufacturer:** Solarwatt
- **Model:** SOLARWATT Panel vision M 5.0 445 Wp
- **Series:** SOLARWATT Panel vision M 5.0 style
- **Rated power:** 445 W
- **Cell technology:** TOPCon
- **Bifacial:** yes


## How it compares

Compared against segment TOPCon 400-450 W (1218 panels).


| Measure | This panel | Segment median | Standing | Rank |
| --- | --- | --- | --- | --- |
| Power (Wp) | 445 W | 435 W | Strong - top 8% |  |
| 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 (kg) | 24.8 kg | 22.0 kg | Typical |  |
| Performance warranty | 30 yrs | 30 yrs | Typical | 21 |


### Full peer table


| Measure | This panel | Segment median | Standing | 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 |


### Strengths

- **22.30% module efficiency** - Top 17% of the TOPCon 400-450 W segment, against a median of 22.00%.

- **Best for:** Residential and commercial.


## Specification


### Electrical

- **Rated power (Pmax):** 445 W
- **Efficiency:** 22.30 %
- **Voltage at Pmax (Vmp):** 33.00 V
- **Current at Pmax (Imp):** 13.50 A
- **Open-circuit voltage (Voc):** 39.60 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:** 222.7 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:** 401 W


## Rank in the whole catalogue


| Measure | Position |
| --- | --- |
| Efficiency | 5100 of 14005 |
| Power density | 5302 of 14005 |
| Temperature coefficient | 2165 of 14005 |
| Weight | 10127 of 14005 |
| Warranty | 21 of 14005 |


## About this series

Solarwatt Panel vision M 5.0 style photovoltaic panels are the answer to the needs of the most demanding users, focusing on **glass-glass technology** as the foundation of reliability. This unique construction makes the modules almost completely resistant to the negative effects of atmospheric factors such as ammonia, salt mist, or rapid temperature changes, which directly translates into eliminating the risk of cell degradation. The use of double-sided tempered glass makes these components significantly less susceptible to PID and LID phenomena. Thanks to the use of precisely selected monocrystalline cells in an aesthetic **full black** variant, this series blends perfectly with modern architecture, solving the problem of unsightly roof installations. The innovative design provides not only the highest class of fire protection but also guarantees **maximum longevity** and stability of energy yields for many years. This product is dedicated to prosumers who view photovoltaics as a long-term investment and seek solutions with **increased mechanical resistance**. What distinguishes this series from standard competition is the unique harmony between strict technical parameters and an elegant finish, making it a leader in the premium segment for single-family housing and facilities with high technical requirements.


## Notable figures

- At 22.3% efficiency, this panel is on par with typical \*\*TOPCon 400-450W\*\* modules
- Power density of 222.7 W/m² matches the \*\*TOPCon 400-450W\*\* median
- At -0.29%/°C, hot weather performance is typical for \*\*TOPCon 400-450W\*\* panels
- 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


## Questions


### Is the Solarwatt Panel vision M 5.0 style series still available for purchase?

The Solarwatt Panel vision M 5.0 style series has been discontinued and is no longer part of the manufacturer's active lineup. Some distributors may still carry remaining stock, so it is worth checking directly with your dealer. Alternatively, consider the newer Solarwatt vision M 5.5, which carries forward the same glass-glass philosophy with updated specifications.


### What warranty does the Solarwatt Panel vision M 5.0 style come with?

The Solarwatt Panel vision M 5.0 style includes a 30-year product warranty covering manufacturing defects and structural integrity, plus a 30-year power output warranty guaranteeing at least 90% of nominal power over that entire period. This is among the most comprehensive warranty packages in the industry — the typical market standard is 12–15 years for product warranty and 25 years for power output.


### What is the glass-glass construction in the Solarwatt vision M 5.0 style and why does it matter?

Standard PV modules use a polymer backsheet to protect cells from behind. Glass-glass construction replaces the backsheet with a second tempered glass pane, eliminating the primary degradation pathways: moisture ingress, ammonia exposure, salt mist, and thermal shock. The result is a dramatically reduced risk of PID and LID effects, greater mechanical strength, and an expected service life well in excess of 30 years with stable energy yields.


### What does it mean that the Solarwatt vision M 5.0 style is bifacial and uses TOPCon technology?

TOPCon (Tunnel Oxide Passivated Contact) is the next-generation cell technology after PERC, delivering higher efficiency through improved contact passivation. Bifacial means the cells generate power from both direct front-side irradiance and reflected rear-side irradiance through the back glass. On installations with light-colored surfaces — gravel, concrete, or snow — bifacial operation can increase annual energy yield by 5–15% compared to monofacial modules.


### Does the full-black finish of the Solarwatt vision M 5.0 style negatively affect its performance?

The black cells, black frame, and black rear glass absorb more heat than standard modules, which can marginally reduce instantaneous efficiency at very high temperatures. However, TOPCon's temperature coefficient of approximately -0.29%/°C is more favorable than PERC (-0.35%/°C), so the real-world impact on annual yield is minimal. The visual result significantly enhances the appearance of the installation on modern rooftops.


### How do the Solarwatt Panel vision M 5.0 style panels perform in winter and under low-irradiance conditions?

With a temperature coefficient of -0.29%/°C, these modules maintain better efficiency on hot days than older PERC panels. In winter, the glass-glass structure provides superior resistance to snow loads and thermal shock cycles. TOPCon cells also harvest energy more efficiently under diffuse light — overcast skies, dawn, and dusk — which translates into higher annual energy yields in central European climates.


## Datasheet

[Manufacturer datasheet (PDF)](https://comparepv.com/datasheets/Data-sheet-SOLARWATT-Panel-vision-M-50-style-en-d058f94b666e.pdf)


## Alternatives


| Panel | Power | How it differs |
| --- | --- | --- |
| [AIKO AIKO-A495-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a495-mce54mw) | 495 W | +50 W, lighter, +2.5 pp |
| [AIKO AIKO-A490-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a490-mce54mw) | 490 W | +45 W, lighter, +2.2 pp |
| [Suntech STP-NT11/48QGSF-490](https://comparepv.com/panel/suntech-stp-nt11-48qgsf-490) | 490 W | +45 W, lighter, +2.2 pp |
| [JA Solar JAT54S40-485/LR](https://comparepv.com/panel/ja-solar-jat54s40-485-lr) | 485 W | +40 W, lighter, +2.0 pp |
| [AIKO AIKO-A485-MCE54Mw](https://comparepv.com/panel/aiko-aiko-a485-mce54mw) | 485 W | +40 W, lighter, +2.0 pp |
| [Longi Solar LR7-54HJD-495M](https://comparepv.com/panel/longi-lr7-54hjd-495m) | 495 W | +50 W, cooler, +2.0 pp |
| [AIKO AIKO-A485-MAH54Mw](https://comparepv.com/panel/aiko-aiko-a485-mah54mw) | 485 W | +40 W, lighter, +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 | -0.3 pp |
| [Solarwatt SOLARWATT Panel vision M 5.0 450 Wp](https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-450-wp) | 450 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 | +10 W, +0.5 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 | +15 W, +0.7 pp |
| [Longi Solar LR7-54HJD-510M](https://comparepv.com/panel/longi-lr7-54hjd-510m) | 510 W | +65 W, cooler, +2.7 pp |
| [Longi Solar LR7-54HJD-505M](https://comparepv.com/panel/longi-lr7-54hjd-505m) | 505 W | +60 W, cooler, +2.4 pp |
| [Longi Solar LR7-54HJD-500M](https://comparepv.com/panel/longi-lr7-54hjd-500m) | 500 W | +55 W, cooler, +2.2 pp |
| [Talesun CIPRO-TN9C54M-500W](https://comparepv.com/panel/talesun-cipro-tn9c54m-500w) | 500 W | +55 W, lighter, +2.2 pp |


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Source: https://comparepv.com/panel/solarwatt-solarwatt-panel-vision-m-5-0-445-wp

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.