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AmoSolar Brand review

AS420M10-108BM

420 Wp TOPCon Bifacial
ComparePV verdict

Middle of its segment, needs the roof space

Rank 10,240 of 14,005
Compare panels Datasheet PDF
Power (Wp)
420
Weak · bottom 16%
Efficiency (%)
21.51
Weak · bottom 20%
Density (Wp/m²)
215.1
Weak · bottom 19%
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
23.5
Weak · 1.5 kg above median
Warranty (yrs)
30
Typical · median 30 yrs

The AmoSolar AS410-430M10-108BM series is a range of modules designed for high energy production, even under less-than-ideal roof conditions. The use of N-type cells in TOPCon technology ensures stable performance over time and improved efficiency at higher temperatures, which is particularly beneficial during the summer months and on dark roof surfaces. The bifacial design further allows for the utilization of reflected light - especially on light-colored roofs, when mounted on the ground, or in systems with greater spacing.

The panel features a 108-cell layout in M10 format, which simplifies the design of installations with high power density while maintaining practical transportation and installation dimensions. For investors, the long, multi-year product warranty and power output warranty are also important, supporting profitability over decades.

This is a good choice for residential and commercial installations, where predictable energy production, resistance to yield fluctuations, and reliable performance in the variable Polish climate are key considerations.

Ranking

1,218 panels in the segment TOPCon 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.51% 22.00% Weak · bottom 20% 7,894
Power density 215.1 220.2 Weak · bottom 19% 7,882
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 56.0 51.4 Weak · bottom 23% 10,286
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 5 caution
Best for

Residential, commercial, shaded-installations and hot-climate.

Not ideal for

Roofs where every square metre has to count, tight roof space and weight-limited structures.

Watch-outs
215.1 watts per square metre

Bottom 19% of the TOPCon 400-450 W segment, against a median of 220.2.

21.51% module efficiency

Bottom 20% of the TOPCon 400-450 W segment, against a median of 22.00%.

56.0 kg per kWp

Bottom 23% of the TOPCon 400-450 W segment, against a median of 51.4.

What owners get
N-type TOPCon solar cells – lower degradation

The TOPCon N-type technology exhibits a lower LID degradation rate (<0.5% per year) and better performance at high temperatures compared to older PERC P-type cells. This translates to a significantly higher annual energy yield – particularly in the summer, on dark roof coverings typical of the Polish market.

The module's efficiency reaches 22.02%.

The highest variant of the series achieves 22.02%, placing AmoSolar AS430 on par with VSUN N-108MH-BW (22.02%) and significantly above Silfab Elite (21.4%) from the same product group. For installations with limited roof space, this translates to a higher power output per square meter.

Bifacial construction – additional energy generation from the rear

The double-sided construction of the module allows for the absorption of reflected light from the ground, typically increasing production by 5–15% depending on the albedo coefficient (e.g., light gravel, concrete, snow). This effect is particularly noticeable when installed on the ground or on light, flat roofs with larger gaps.

30-year power guarantee

The manufacturer offers a 30-year linear power warranty, which exceeds the standard 25 years offered by most Tier 1 manufacturers (e.g., Trina Solar, JA Solar). This provides additional protection for the value of the installation over its entire lifespan.

M10 format, with 108 cells – practical dimensions

With dimensions of 1722 x 1134 x 30 mm and a weight of approximately 24.2 kg, these products meet the standard for compatibility with common BOS mounting systems and accessories (MC4 connectors, IP68 enclosure). The packaging format of 36 units per pallet simplifies logistics for typical residential and commercial installations.

Trade-offs
Lack of Tier 1 BNEF status – financing risk

AmoSolar is not listed on BloombergNEF's Tier 1 bankable manufacturers list. This may mean a higher cost of capital or the need to obtain additional technical assessments for installations that require bank financing or leasing. Companies like Silfab and VSUN are more widely recognized by financing institutions in the European market.

15-year product warranty – below the market standard

Tier 1 manufacturers (LONGi, Trina, JA Solar) typically offer a 25-year warranty on their products. AmoSolar offers a 15-year warranty, which, in the event of a material or manufacturing defect discovered after this period, shifts the full cost of replacement onto the installer. The 10-year difference is significant, given the typical 25-30 year investment horizon for PV systems.

Notes from the database
  • Efficiency of 21.5% matches the TOPCon 400-450W median
  • 215.1 W/m² power density is 5.1 W/m² below TOPCon 400-450W median (220.2 W/m²) - requires larger installation area
  • Temperature coefficient of -0.29%/°C matches the TOPCon 400-450W median
  • At 23.5 kg, this panel is 1.5 kg heavier than the TOPCon 400-450W median (22.0 kg) - more demanding for installation crews
  • Ranked #7894 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 420 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.51 % Weak Segment median 22.00%
Vmpp · Impp 31.63 V · 13.28 A Operating point at max power
Voc · Isc 38.49 V · 13.99 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 23.5 kg Weak Weak · 1.5 kg above median
Cells 108 · TOPCon Monocrystalline
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°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 367 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by AmoSolar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 420 Wp appear here. The rest cover the whole series.

15-Year Warranty for Materials and Processing / 30-Year Warranty for Extra Linear Power Output 15-Year Warranty for Materials and Processing / 30-Year Warranty for Extra Linear Power Output Whole series I-V Curve (AS410-430M10-108BM) – Irradiance Variation (1000W/m², 800W/m²) I-V Curve (AS410-430M10-108BM) – Irradiance Variation (1000W/m², 800W/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
-

Alternatives

All AmoSolar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
AmoSolar AS420M10-108BM 420 W 21.51% -0.290 23.5 kg You are here
JST-EDMH-(445-465)W-TD (465W class) 465 W 23.81% -0.300 20.5 kg +45 W, lighter, +2.3 pp
LX-465M/182R-96+ GG 465 W 23.80% -0.260 23.5 kg +45 W, cooler, +2.3 pp
SPR-MAX7-470 470 W 23.70% -0.270 21.1 kg +50 W, +2.2 pp, +10 yr warranty
AIKO-A470-MAH54Mb 470 W 23.60% -0.260 21.5 kg +50 W, cooler, +2.1 pp
AIKO-A460-MAH54Mb 460 W 23.60% -0.290 20.5 kg +40 W, lighter, +2.1 pp
HSM-BD54-LA470 470 W 23.60% -0.260 21.5 kg +50 W, cooler, +2.1 pp
AS390M10-108 390 W 19.97% -0.350 21.0 kg Hotter, -1.5 pp, -5 yr warranty
AS395M10-108 395 W 20.23% -0.350 21.0 kg Hotter, -1.3 pp, -5 yr warranty
AS400M10-108 400 W 20.48% -0.350 21.0 kg Hotter, -1.0 pp, -5 yr warranty
AS405M10-108 405 W 20.74% -0.350 21.0 kg Hotter, -0.8 pp, -5 yr warranty
AS410M10-108 410 W 21.00% -0.350 21.0 kg Hotter, -0.5 pp, -5 yr warranty
AS415M10-108 415 W 21.25% -0.350 21.0 kg Hotter, lighter, -5 yr warranty
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +90 W, cooler, +3.5 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +75 W, cooler, +3.3 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +85 W, cooler, +3.2 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +70 W, cooler, +3.0 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 is provided for the AmoSolar AS410-430M10-108BM panels and what does it cover?
The AS410-430M10-108BM series is backed by a 15-year product warranty covering material and workmanship defects, along with a 30-year linear power output warranty. This means the manufacturer commits to a gradual, predictable performance degradation over three decades — providing a solid basis for calculating return on investment. The power output warranty is a particularly critical parameter when assessing the financial viability of residential or commercial PV installations.
What is TOPCon technology and why does the AmoSolar AS410-430M10-108BM series use it?
TOPCon (Tunnel Oxide Passivated Contact) is an N-type cell technology that minimizes carrier recombination at the silicon surface. In practice, this translates to higher efficiency compared to legacy PERC cells and improved long-term stability — meaning lower degradation rates over years of operation. The AS410-430M10-108BM series leverages this technology to deliver more consistent energy yield, particularly during summer months when rooftop temperatures can exceed 70°C.
Does the bifacial design of the AS410-430M10-108BM actually increase energy production?
Yes, but the gain depends on installation conditions. Bifacial means the rear side of the panel also captures light reflected from the ground or roof surface. The greatest benefit — potentially several to over ten percent additional yield — is achieved in ground-mounted systems, installations over light-colored roofing surfaces, or configurations with significant clearance beneath the modules. On a typical dark-colored pitched roof with a narrow air gap, the bifacial gain will be minimal, though the underlying N-type technology still delivers high efficiency regardless.
What are the dimensions and weight of the AmoSolar AS410-430M10-108BM panels — will they fit on a small roof?
Modules in the AS410-430M10-108BM series measure approximately 1722 × 1134 mm and weigh around 24 kg. The 108-cell layout in M10 format achieves a favorable power density at relatively compact dimensions, making it easier to design installations on roofs with limited available area. The 24 kg weight falls within the standard range for modules in this power class and presents no issues for typical rafter or purlin mounting systems.
Will the AmoSolar AS410-430M10-108BM panels perform well in the Polish climate with its high weather variability?
Yes. N-type TOPCon cells exhibit a lower temperature coefficient than older PERC cells, resulting in reduced power losses on hot days. At the same time, bifacial modules handle diffuse irradiance and low solar angles more effectively — conditions that are typical during Polish autumn and winter. The IP68-rated junction box ensures resistance to moisture and variable weather conditions, which is essential for reliable operation over a multi-decade system lifetime.
Is AmoSolar a Tier 1 manufacturer and should their panels be trusted?
AmoSolar is not currently listed among Tier 1 manufacturers according to the Bloomberg NEF classification. This means the company is a smaller market player without an established track record of bankable financing guarantees. Particular attention should be paid to the warranty terms and to identifying who services the warranty on the Polish market. The underlying N-type TOPCon technology is well-proven; however, when selecting a lesser-known brand, it is advisable to purchase through an authorized distributor that provides local after-sales support.
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