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Vikram Solar SOMERA VSMH.54.405.05
Vikram Solar Brand review

SOMERA VSMH.54.405.05

405 Wp PERC
ComparePV verdict

Solid all-round for its segment

Rank 11,807 of 14,129
Compare panels Datasheet PDF
Power (Wp)
405
Typical for its class
Efficiency (%)
20.74
Typical · median 20.60%
Density (Wp/m²)
207.4
Typical · median 206.2
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
21.3
Typical · median 22.0 kg
Warranty (yrs)
27
Typical · median 25 yrs

The Vikram Solar SOMERA series is based on modern Half-Cut cell technology, which effectively eliminates the problem of efficiency drops in the case of partial shading of the modules. Thanks to the use of a Multi-Busbar cell design, these panels are characterized by lower internal losses and higher resistance to micro-cracks, which directly translates into a longer service life of the entire installation. This solution is dedicated primarily to owners of single-family homes and entrepreneurs who are looking for reliable components capable of operating in variable weather conditions typical of Central Europe. What distinguishes the SOMERA series from standard products is exceptional power stability in high-humidity environments and full resistance to the PID effect, as confirmed by rigorous quality tests. These modules solve the problem of limited installation space by offering high power density per square meter. Investing in this series guarantees LCOE cost optimization, as the panels generate more energy at low light angles, which is crucial in the Polish climate zone during the autumn-winter months. Robust construction and precise workmanship make SOMERA a strong alternative to premium brands, combining innovation with real economic benefits for the prosumer.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.74% 20.60% Typical 10,723
Power density 207.4 206.2 Typical 10,702
Temperature coefficient -0.350 -0.350 Typical 10,489
Weight per kWp 52.6 53.0 Typical 6,268
Performance warranty 27 yrs 25 yrs Typical 9,781
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 0 caution
Best for

Residential, commercial, utility-scale and shaded-installations.

Notes from the database
  • Efficiency of 20.7% matches the PERC 400-450W median
  • At 207.4 W/m² power density, roof space requirements are typical for PERC 400-450W panels
  • Temperature coefficient of -0.35%/°C matches the PERC 400-450W median
  • In the top 76% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 405 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.74 % Typical Segment median 20.60%
Vmpp · Impp 31.80 V · 12.74 A Operating point at max power
Voc · Isc 37.60 V · 13.40 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 21.3 kg Typical Typical · median 22.0 kg
Cells 108 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.270 · 0.050 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 27 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 83.7 % Equals 332 W guaranteed
Degradation 2.00 → 0.55 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by Vikram Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 405 Wp appear here. The rest cover the whole series.

Typical I-V Curves Typical I-V Curves Whole series Performance Warranty Performance 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
-

Degradation from this panel's own datasheet figures. No inverter, soiling or shading losses.

Heat losses
-0.350 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Vikram Solar SOMERA VSMH.54.405.05 405 W 20.74% -0.350 21.3 kg You are here
AIKO-455-MAH54Db 455 W 23.30% -0.260 24.0 kg +50 W, cooler, +2.6 pp
LR5-54HTH-455M 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
YL455CF54 e/2 455 W 23.30% -0.290 20.3 kg +50 W, cooler, +2.6 pp
ESM-455T 455 W 23.30% -0.310 21.0 kg +50 W, cooler, +2.6 pp
SE5-54HBC-455W 455 W 23.30% -0.290 20.8 kg +50 W, cooler, +2.6 pp
JST-EDMH-(445-465)W-TD (455W class) 455 W 23.30% -0.300 20.5 kg +50 W, cooler, +2.6 pp
LX-455M/182R-96+ GG 455 W 23.30% -0.260 23.5 kg +50 W, cooler, +2.6 pp
SOMERA VSMHBB.54.380.05 380 W 19.45% -0.350 21.3 kg -25 W, -1.3 pp
SOMERA VSMHBB.54.385.05 385 W 19.70% -0.350 21.3 kg -20 W, -1.0 pp
SOMERA VSMHBB.54.390.05 390 W 19.96% -0.350 21.3 kg -15 W, -0.8 pp
PARADEA VSMDH.54.AAA.05-395 395 W 20.23% -0.350 25.1 kg Heavier, -0.5 pp, +3 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +105 W, cooler, +4.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +90 W, cooler, +4.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +100 W, cooler, +4.0 pp
WST-505BKX54-A2 505 W 24.70% -0.260 25.0 kg +100 W, cooler, +4.0 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +85 W, cooler, +3.8 pp

Found 1797 panels of the same or similar size to this one, within ±10 mm. See them here Found 1928 panels of the same or similar size to this one, within ±25 mm. See them here Found 3413 panels of the same or similar size to this one, within ±50 mm. See them here Found 4007 panels of the same or similar size to this one, within ±100 mm. See them here

About the SOMERA series

6 answered

These answers cover the whole series. Where a figure differs, the specification above is this module's own.

What do Half-Cut and Multi-Busbar technologies provide in Vikram Solar SOMERA panels?
Half-cut cells are split in two, so the current flowing through each half is lower, reducing resistive losses and boosting module efficiency. The multi-busbar cell structure further shortens the current path and increases resistance to microcracks. In practice, this means the SOMERA panel handles partial shading, such as from a chimney or antenna, better than standard full-cell modules.
What warranty comes with Vikram Solar SOMERA solar panels?
The SOMERA series comes with a 12-year product warranty and a 27-year linear power warranty, meaning the panel should still retain a significant share of its rated output after that period. This level is comparable to premium brands, making the series a solid choice for a residential investment amortized over a 25-30 year horizon.
Are SOMERA panels resistant to humidity and PID effect?
Yes, SOMERA panels undergo rigorous testing for resistance to potential-induced degradation (PID) and for operation in high-humidity conditions. As a result, they maintain stable power output even in climates with elevated air moisture, which matters for installations near bodies of water, in coastal regions, or during autumn and winter periods with frequent fog and dew.
Will a 610W SOMERA panel perform well in Poland's autumn-winter conditions with a low sun angle?
Yes, the PERC cell design combined with half-cut technology improves light capture at a low angle of incidence, typical of Polish winters and transitional autumn months. A panel rated up to 610 Wp generates more energy under weaker irradiance than older-generation modules, which meaningfully lowers the LCOE of an installation in this climate zone.
How many SOMERA 610W panels fit on a single-family home roof of 50 m2?
The exact number depends on roof pitch and orientation, but with each module measuring roughly 2.7-2.9 m2, a 50 m2 roof can fit approximately 15-18 SOMERA panels, yielding a system of 9-11 kWp. The series' high power density lets you achieve more installed capacity where roof area is limited, for example around skylights or chimneys.
Is Vikram Solar a Tier 1 manufacturer, and is it trustworthy despite being based in India?
Yes, Vikram Solar holds Tier 1 manufacturer status, indicating financial stability and a documented track record of large-scale supply, independently verified by market analysts such as BloombergNEF. Headquartered in India, the company is one of the larger global PV module suppliers, and the quality of the SOMERA series is backed by international certifications and a 27-year power warranty on par with European brands.
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