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Resun Solar Brand review

RS8V-M-415W

415 Wp Monocrystalline
ComparePV verdict

Middle of its segment, weak in heat

Rank 10,865 of 14,005
Compare panels Datasheet PDF
Power (Wp)
415
Typical for its class
Efficiency (%)
21.25
Typical · median 21.48%
Density (Wp/m²)
212.5
Typical · median 214.7
Temp (%/°C)
-0.350
Weak · bottom 22%
Weight (kg)
22.0
Typical · median 23.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

The RS8V-M series from Resun Solar consists of monocrystalline panels built with half-cut cell technology, splitting each cell in half to reduce internal power loss and boost the module's overall energy conversion efficiency. The use of multi-busbar cells lowers internal resistance and improves current collection across the cell surface, resulting in more stable energy output even under suboptimal lighting conditions. The split-cell design significantly increases resistance to hot-spot effects caused by partial shading, a key advantage for installations exposed to shadows from chimneys, trees, or neighboring buildings. These panels also carry a reduced risk of microcracks and busbar damage, translating into higher long-term reliability and slower power degradation over the module's lifespan. A robust build featuring 3.2mm tempered glass and an IP68-rated junction box makes the RS8V-M series well suited for both residential rooftops and commercial installations, where predictable performance and low failure rates matter most. It's a solid choice for investors seeking proven monocrystalline technology at a reasonable price point, without compromising on build quality or IEC-certified standards and confirmed PID-free performance.

Ranking

6,879 panels in the 315-515 W band, all technologies
Metric This panel Median Position in segment Overall rank
Module efficiency 21.25% 21.48% Typical 8,904
Power density 212.5 214.7 Typical 8,791
Temperature coefficient -0.350 -0.300 Weak · bottom 22% 10,419
Weight per kWp 53.0 53.1 Typical 6,767
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 1 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Hot climates.

Watch-outs
-0.350 %/°C temperature coefficient

Bottom 22% of the 315-515 W band, against a median of -0.300.

Notes from the database
  • At 21.2% efficiency, this panel is 0.6pp below the database median of 21.8%
  • 212.5 W/m² power density is 5.6 W/m² below database median (218.1 W/m²) - requires larger installation area
  • -0.35%/°C temperature coefficient - 0.05pp worse than database median (-0.30%/°C), expect higher hot weather losses
  • 22.0 kg weight - 4.5 kg lighter than database median (26.5 kg), reducing installation effort
  • #8904 for efficiency, #10419 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 415 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.25 % Typical Segment median 21.48%
Vmpp · Impp 31.61 V · 13.13 A Operating point at max power
Voc · Isc 37.45 V · 14.02 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1722×1134×35 mm · 1.95 m² of roof
Weight 22.0 kg Typical Typical · median 23.0 kg
Cells 108 Monocrystalline
Coefficient Pmax -0.350 %/°C Weak bottom 22% of its segment
Coefficient Voc · Isc -0.320 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
Degradation 0.50 % Per year after the first

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
-0.350 %/°C against a segment median of -0.300
-

Alternatives

All Resun Solar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Resun Solar RS8V-M-415W 415 W 21.25% -0.350 22.0 kg You are here
JST-EDMH-(445-465)W-TD (465W class) 465 W 23.81% -0.300 20.5 kg +50 W, cooler, +2.6 pp
LX-465M/182R-96+ GG 465 W 23.80% -0.260 23.5 kg +50 W, cooler, +2.6 pp
AIKO-A460-MAH54Mb 460 W 23.60% -0.290 20.5 kg +45 W, cooler, +2.4 pp
LX-465M/182R188-108+ GG 465 W 23.60% -0.290 24.5 kg +50 W, cooler, +2.4 pp
JST-EDMH-(445-465)W-TD (460W class) 460 W 23.56% -0.300 20.5 kg +45 W, cooler, +2.3 pp
LX-460M/182R-96+ GG 460 W 23.55% -0.260 23.5 kg +45 W, cooler, +2.3 pp
PS-MNB108(HCBF)-460W 460 W 23.53% -0.290 20.5 kg +45 W, cooler, +2.3 pp
JAT54S40-460/LR 460 W 23.50% -0.260 19.3 kg +45 W, cooler, +2.2 pp
RS8V-M-400 400 W 20.48% -0.350 22.0 kg -15 W, -0.8 pp
RS8V-M-405 405 W 20.74% -0.350 22.0 kg -10 W, -0.5 pp
RS8V-M-410W 410 W 21.00% -0.350 22.0 kg -0.2 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +95 W, cooler, +3.8 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +80 W, cooler, +3.6 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +90 W, cooler, +3.4 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +75 W, cooler, +3.2 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +85 W, cooler, +3.2 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 Resun Solar RS8V-M panels?
The RS8V-M series comes with a 12-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. This means the manufacturer guarantees a defined performance level even after three decades of use, which is an important factor when calculating the return on investment of a solar installation.
What is half-cut cell technology in the RS8V-M panels and is it worth it?
Half-cut technology splits standard silicon cells in half, reducing current losses and internal resistance in the module. This gives the RS8V-M panel higher energy efficiency and better performance under partial shading, such as from chimneys or antennas. It's a proven approach now used in most modern monocrystalline panels and worth choosing for any installation.
Are RS8V-M panels resistant to the hot-spot effect under shading?
Yes, thanks to the split-cell design and multi-busbar structure, RS8V-M panels show increased resistance to the hot-spot effect that occurs under partial shading. This matters for installations exposed to shadows from trees, chimneys, or neighboring buildings, where the risk of localized cell overheating is higher.
What is the maximum power output of the RS8V-M series panels?
RS8V-M series panels reach a maximum power output of up to 415 Wp. That's a solid figure for a monocrystalline module in this price segment, allowing efficient use of available roof space in both residential and commercial installations.
Are RS8V-M panels resistant to PID degradation?
Yes, the RS8V-M series has confirmed resistance to PID, or potential-induced degradation, which can reduce panel power output due to current leakage to the frame or substrate. The panels have passed IEC-compliant testing, ensuring stable energy production throughout the system's operating life.
Are Resun Solar RS8V-M panels suitable for both residential and commercial installations?
Yes, thanks to their robust construction with 3.2 mm tempered glass and an IP68-rated enclosure, RS8V-M panels work well on both single-family home roofs and larger commercial installations. Their predictable performance and low failure rate make them a versatile choice for different types of solar projects.
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