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Seraphim Brand review

SRP-445-BTD-HV

445 Wp TOPCon
ComparePV verdict

Space saver, no clear weak spot

Rank 8,190 of 14,005
Compare panels Datasheet PDF
Power (Wp)
445
Strong · top 8%
Efficiency (%)
22.79
Strong · top 3%
Density (Wp/m²)
227.9
Strong · top 2%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
21.5
Strong · top 24%
Warranty (yrs)
30
Typical · median 30 yrs

Seraphim Sable 430-445W (TOPCon 182mm) is a series of modules designed for high energy yields in real-world conditions - not just in laboratory settings. The use of N-type TOPCon cells helps to minimize degradation-related losses, ensuring that the installation maintains stable energy production for longer. The glass-glass bifacial construction is also noteworthy, as it can utilize reflected light from the ground - a practical advantage on bright roofs, during ground mounting, or on structures with good reflectivity.

The Sable series is distinguished by half-cut technology and multi-busbar design, which improves performance under partial shading and enhances resistance to microcracks and localized overheating. Another advantage is excellent performance in low light, which translates to higher yields in the morning, evening, and on cloudy days.

This is a good choice for residential and commercial installations where predictable production, durability, and easy integration with modern inverters and optimizers are important.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.79% 22.00% Strong · top 3% 3,005
Power density 227.9 220.2 Strong · top 2% 2,790
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 48.3 51.4 Strong · top 24% 2,192
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

3 positive · 0 caution
Best for

Residential, commercial and shaded-installations.

Strengths
227.9 watts per square metre

Top 2% of the TOPCon 400-450 W segment, against a median of 220.2. Ranked 2,790th in the whole database.

22.79% module efficiency

Top 3% of the TOPCon 400-450 W segment, against a median of 22.00%. Ranked 3,005th in the whole database.

48.3 kg per kWp

Top 24% of the TOPCon 400-450 W segment, against a median of 51.4.

Notes from the database
  • Efficiency of 22.8% is 0.8pp above the TOPCon 400-450W median (22.0%)
  • At 227.9 W/m² power density, this panel generates 7.7 W/m² more per unit area than TOPCon 400-450W median (220.2 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • In the top 21% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 445 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.79 % Strong Segment median 22.00%
Vmpp · Impp 32.90 V · 13.54 A Operating point at max power
Voc · Isc 39.50 V · 14.23 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×30 mm · 1.95 m² of roof
Weight 21.5 kg Strong Strong · top 24%
Cells 108 · TOPCon Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.046 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 15 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 389 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Seraphim in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 445 Wp appear here. The rest cover the whole series.

Additional Value from Linear Warranty Additional Value from Linear Warranty Whole series I-V Curve I-V Curve Whole series I-V curve at varying cell temperature (Incident Irrad. = 1000 W/m²) I-V curve at varying cell temperature (Incident Irrad. = 1000 W/m²) Whole series

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
-0.290 %/°C against a segment median of -0.290
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Seraphim SRP-445-BTD-HV 445 W 22.79% -0.290 21.5 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +50 W, cooler, +2.0 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +45 W, cooler, +1.7 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +45 W, cooler, +1.7 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +40 W, cooler, +1.5 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +40 W, cooler, +1.5 pp
LR7-54HJD-495M 495 W 24.30% -0.240 23.5 kg +50 W, cooler, +1.5 pp
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg +40 W, cooler, +1.5 pp
SRP-395-BMD-HV 395 W 20.23% -0.340 21.5 kg -50 W, hotter, -2.6 pp
SRP-400-BMD-BG 400 W 20.48% -0.340 24.0 kg -45 W, hotter, -2.3 pp
SRP-405-BMD-BG 405 W 20.74% -0.340 24.0 kg -40 W, hotter, -2.1 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +65 W, cooler, +2.2 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +60 W, cooler, +1.9 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +55 W, cooler, +1.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +55 W, cooler, +1.7 pp

Found 1783 panels of the same or similar size to this one, within ±10 mm. See them here Found 1914 panels of the same or similar size to this one, within ±25 mm. See them here Found 3392 panels of the same or similar size to this one, within ±50 mm. See them here Found 3970 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty does the Seraphim Sable 430-445W series come with?
Seraphim provides a 15-year product warranty and a 30-year linear power output warranty on the Sable series. The linear guarantee means the manufacturer commits to a specified minimum power level for three full decades. Because N-type TOPCon cells degrade more slowly than PERC, real-world output after 20-30 years typically exceeds the guaranteed minimum.
How well does the Seraphim Sable TOPCon 445W perform in cloudy or low-light conditions?
The Sable series delivers excellent low-light performance. N-type TOPCon cells convert diffuse and indirect irradiance more efficiently than older PERC technology. In practice this means higher yields in the early morning, late afternoon, and on overcast days — a measurable advantage in Central and Northern European climates where clear skies cannot be counted on year-round.
What is the difference between TOPCon and PERC, and is the Seraphim Sable worth the premium?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that achieves higher module efficiency (up to ~22.5%) and lower annual degradation rates than standard PERC. For a 10–15 kWp rooftop system this can translate into several percent more annual energy output and significantly better long-term yield retention — making the price premium reasonable for most residential and commercial installations with a 25-30 year horizon.
What are the dimensions and weight of the Seraphim Sable 445W panel — will it fit on a standard pitched roof?
The Seraphim Sable 445W measures approximately 1722 × 1134 × 28 mm and weighs around 21 kg — standard sizing for 182mm-cell modules. A 10 kWp system (about 22–23 panels) requires roughly 40–45 m² of roof area, which fits a typical residential pitched roof without structural modifications. The half-cut and multi-busbar design also improves resistance to microcracks during transport and installation.
Are Seraphim Sable panels compatible with inverters and MPPT optimizers from popular brands?
Yes. The Sable series is compatible with standard string and hybrid inverters available on the European market, including SMA, Fronius, SolarEdge, Huawei, Deye, and Growatt. The 1500V DC maximum system voltage and standard short-circuit current ratings allow flexible string design. The panels also work seamlessly with MPPT optimizers, which is especially useful when partial shading from chimneys, dormers, or trees cannot be avoided.
What are the benefits of the glass-glass construction in the Seraphim Sable series, and who should care?
The glass-glass encapsulation replaces the standard backsheet with a second glass layer, significantly improving resistance to moisture ingress, PID (potential induced degradation), and mechanical stress. This is particularly valuable for ground-mount systems, high-humidity environments, and coastal locations. For rooftop installations it translates into longer module lifespan and a lower risk of warranty issues caused by structural damage to the module body.
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