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Renesola Brand review

RS41-445NXG-E3

445 Wp TOPCon Bifacial 1000%
ComparePV verdict

Space saver, no clear weak spot

Rank 8,359 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)
24.5
Typical · median 22.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Renesola RS41-430~450NXG-E3 series consists of modules with a compact design, aimed at maximizing energy production on a limited roof area. The use of N-type cells in TOPCon technology results in more stable operation over time and better utilization of radiation under weaker conditions, which realistically supports higher yields during transitional months in Poland. The bifaciality of the modules is also noteworthy - when mounted on a light surface or on the ground, the panel can utilize reflected light, increasing daily production without adding additional modules.

This is a good choice for investors who prioritize high module efficiency with a standard format and easy integration with popular inverters. The double-sided glass and robust construction are beneficial in applications exposed to loads and more challenging environmental conditions. The RS41 NXG-E3 series is suitable for residential, commercial, and smaller farms, where predictable yields and durability distinguish this series from typical P-type solutions.

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 55.1 51.4 Typical 9,435
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

7 positive · 2 caution
Best for

Residential and commercial.

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.

What owners get
High-efficiency N-type TOPCon cells

Module efficiency ranging from 22.02% to 23.04% and a low Pmax temperature coefficient of -0.29%/°C deliver more stable performance at higher temperatures and smaller summer yield losses compared to older P-type/PERC technology.

Bifacial design boosts daily energy yield

Dual-glass construction captures reflected light when mounted on bright surfaces or ground-mount structures, meaningfully increasing energy production without adding extra modules - a real advantage in commercial and utility-scale PV projects.

30-year linear power warranty

The manufacturer guarantees 89.4% power output after 25 years and 87.4% after 30 years - better than the typical 25-year warranties with degradation to around 84.8% offered by some competitors still relying on older P-type cells.

Compact format for easy integration

The standard 108-cell format (1722x1134x30 mm, 24.5 kg) with typical operating voltages allows seamless compatibility with popular string inverters, simplifying deployment in residential and commercial installations without requiring dedicated inverter selection.

Established manufacturer since 2005

Renesola has a long track record in PV module manufacturing and maintained BNEF Tier 1 status for 11 consecutive quarters, historically confirming bankability for projects using its modules.

Trade-offs
Uncertain current BNEF Tier 1 status

According to BloombergNEF data, Renesola dropped off the Tier 1 list in Q3 2026 after 11 consecutive quarters, which may affect bank financing eligibility for larger commercial projects - this status should be verified before committing to non-recourse project financing.

15-year product warranty below market trend

The 15-year product warranty is shorter than the 25-year product warranties increasingly offered by premium TOPCon manufacturers in the European market, even though the power output warranty itself extends to 30 years.

Notes from the database
  • At 22.8% efficiency, this panel is 0.8pp above typical TOPCon 400-450W modules (median: 22.0%)
  • Power density of 227.9 W/m² packs 7.7 W/m² more into the same footprint vs TOPCon 400-450W median (220.2 W/m²)
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • At 24.5 kg, this panel is 2.5 kg heavier than the TOPCon 400-450W median (22.0 kg) - more demanding for installation crews
  • #3005 for efficiency, #2165 for temperature performance out of 14005 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 33.43 V · 13.31 A Operating point at max power
Voc · Isc 40.42 V · 13.85 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 24.5 kg Typical Typical · median 22.0 kg
Cells 108 · TOPCon Monocrystalline
Bifaciality 1000 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 43 °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 Renesola 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.

30-Year Excess Linear Power Output Warranty 30-Year Excess Linear Power Output Warranty 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
-
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.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
Renesola RS41-445NXG-E3 445 W 22.79% -0.290 24.5 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +50 W, lighter, +2.0 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +45 W, lighter, +1.7 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +45 W, lighter, +1.7 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg +40 W, lighter, +1.5 pp
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg +40 W, lighter, +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, lighter, +1.5 pp
RS41-430NBG-E3 430 W 22.02% -0.290 24.5 kg -15 W, -0.8 pp
RS41-435NBG-E3 435 W 22.28% -0.290 24.5 kg -10 W, -0.5 pp
RS41-440NBG-E3 440 W 22.53% -0.290 24.5 kg -0.3 pp
RS41-450NBG-E3 450 W 23.04% -0.290 24.5 kg +0.2 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, lighter, +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 comes with the Renesola RS41-430~450NXG-E3 solar panels?
Renesola provides a 15-year product warranty covering material and workmanship defects. The linear power warranty runs for 30 years, guaranteeing at least 87.4% of the rated output at the end of the warranty period. This is among the longer power warranties currently available on the market and offers strong long-term yield predictability for both residential and commercial investors.
Are the Renesola RS41 NXG-E3 panels suitable for a sloped residential roof?
Yes. The module dimensions are 1722×1134×30 mm with a weight of 24.5 kg, which falls within standard parameters for residential rooftop installations. The dual-glass construction adds some weight compared to glass-backsheet modules, so it is advisable to confirm the roof's structural load capacity and racking system rating before finalizing the layout. A qualified installer should perform this assessment.
What does bifacial mean in the RS41 NXG-E3 series, and does it actually increase energy output?
Bifacial technology allows the module to capture irradiance on both the front and rear surfaces by utilizing reflected light from the ground or mounting surface. In ground-mount installations with a light-colored substrate, the bifacial gain typically ranges from 5–15% compared to a comparable monofacial module. On sloped rooftops, the rear-side gain is lower and depends on roof pitch and the albedo of the underlying surface beneath the array.
How do the N-type TOPCon cells in the RS41 NXG-E3 compare to standard PERC cells?
TOPCon N-type cells feature a lower temperature coefficient of power (−0.29%/°C vs. approximately −0.35%/°C for typical PERC), meaning less output loss on hot days. They are also more resistant to light-induced degradation (LID/LeTID). Module efficiency for the RS41 NXG-E3 reaches 22–23%, while most PERC modules stay below 21%. In climates with frequent overcast conditions, N-type TOPCon also demonstrates better low-light performance.
How do the Renesola RS41-430~450NXG-E3 panels perform in winter and under low-irradiance conditions?
Cold temperatures benefit crystalline silicon cells – the RS41 NXG-E3 gains efficiency on cold, sunny winter days. The −0.29%/°C temperature coefficient limits summer losses. TOPCon technology also delivers better diffuse-light harvesting compared to PERC, which is particularly relevant during spring and autumn shoulder months when irradiance levels are low but still worth capturing.
Which inverters are compatible with the Renesola RS41-430~450NXG-E3 panels?
The RS41 NXG-E3 series uses standard MC4 connectors and operates within voltage ranges supported by most single-phase and three-phase inverters from brands such as SMA, Fronius, Huawei, SolarEdge, and Growatt. Before finalizing string design, always cross-check the 450 Wp variant's open-circuit voltage (Voc) against the inverter's maximum DC input voltage, especially in colder climates where Voc rises significantly at low temperatures.
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