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AmoSolar Brand review

AS450M10-120

450 Wp PERC
ComparePV verdict

Solid all-round for its segment

Rank 11,053 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 12%
Efficiency (%)
20.78
Typical · median 20.82%
Density (Wp/m²)
207.8
Typical · median 208.5
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
23.0
Typical · median 24.5 kg
Warranty (yrs)
25
Typical · median 25 yrs

The AmoSolar AS440-465M10-120 series consists of monocrystalline modules with a 120-cell half-cut design, specifically engineered to effectively improve energy yield under typical operating conditions. Thanks to the PERC technology, the panel better utilizes diffused light, which is important in conditions with variable cloud cover and during transitional months. The use of M10 (182 mm) cells allows for achieving high power output from a single module without artificially manipulating parameters, while the half-cut design minimizes losses and improves performance under partial shading.

In practice, this series addresses a common problem for investors: how to maximize kWh output from a limited roof or ground-mounted area. This is facilitated by the high module efficiency and optimized thermal performance, thanks to the favorable temperature coefficient of power, which reduces summer production losses.

This is a good choice for residential and commercial installations, as well as larger projects where predictability and long-term warranty are important.

Ranking

449 panels in the segment PERC 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.78% 20.82% Typical 10,585
Power density 207.8 208.5 Typical 10,525
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 51.1 53.1 Typical 4,436
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

5 positive · 4 caution
Best for

Residential, commercial and shaded-installations.

What owners get
M10 half-cut blades (182 mm) with genuine loss reduction

Dividing the cells in half reduces the series resistance by approximately 50% compared to standard full-sized cells, which results in lower heating and better performance under partial shading (e.g., in a chimney or on an antenna). The M10 (182 mm) format allows for a power output of 465 Wp without the need for artificial Voc boosting.

Performance at the mainstream level of the segment

The maximum efficiency of the module, 21.47%, is practically equivalent to the comparable JS Solar JS182MHC120 (21.48%) and significantly exceeds the lower limit of the series (20.31%), indicating consistent quality in the production of the solar cells. When calculated for a typical roof with an area of approximately 25 m², the difference between the 440 W and 465 W versions represents a real increase of approximately 60 kWh per year.

Available in 6 different power configurations, ranging from 440–465 Wp

The wide selection of 6 variants makes it easy to match the string to the inverter and minimizes mismatch losses in installations with irregular surfaces. This is a practical advantage for residential and small-scale commercial projects, eliminating the need to purchase a different series.

25-year linear warranty on power

A 25-year performance guarantee is an industry standard that is widely accepted by most insurance companies for residential solar installations. It aligns with the level offered by comparable brands (DAH, JS Solar, Jinko) in this price range.

PERC technology – comprehensive service support

PERC is a mature, widely-used technology with a well-established knowledge base for installers and service technicians in Poland. In the event of a complaint or replacement, the availability of spare parts and diagnostic expertise is significantly better than with niche, newer technologies.

Trade-offs
Lack of Tier-1 status / bankability (according to BNEF)

AmoSolar does not appear on BloombergNEF's (Tier-1) list of bankable manufacturers, which means it does not meet the criteria for non-recourse project finance. For installations exceeding approximately 100 kWp financed through investment loans or bank leasing, this could restrict the use of these modules or increase insurance costs.

Product warranty of 12 years versus 15 years for Tier-1 products

The manufacturer offers a 12-year warranty on the product, while leading manufacturers (Jinko, DAH, JA Solar) typically offer a 15-year warranty. The 3-year difference is significant for modules installed between 2022 and 2024, as failures in the connectors or laminate are statistically most common around the 10–15 year mark.

The gap in performance – 1.31 pp compared to the leader

The maximum efficiency of 21.47% is 1.31 percentage points lower than the DAH DHN-54R18/DG(BW) (22.78%). On a 10 kWp installation with the same roof area, this translates to approximately 400-550 kWh less per year (under typical solar irradiation of ~1100 kWh/m²/year for central Poland).

Lack of reciprocity with a competing DAH

The series is monofacial, while the directly comparable DAH DHN-54R18/DG(BW) offers bifaciality (BW = bifacial white backsheet). For ground-mounted or rooftop installations, bifaciality typically provides an additional 5–12% annual yield without any additional surface area costs.

Notes from the database
  • Efficiency of 20.8% matches the PERC 450-500W median
  • Power density of 207.8 W/m² matches the PERC 450-500W median
  • At -0.35%/°C, hot weather performance is typical for PERC 450-500W panels
  • 23.0 kg weight - 1.5 kg lighter than PERC 450-500W median (24.5 kg), reducing installation effort
  • Ranked #10585 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.78 % Typical Segment median 20.82%
Vmpp · Impp 35.10 V · 12.83 A Operating point at max power
Voc · Isc 43.48 V · 13.30 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1910×1134×30 mm · 2.17 m² of roof
Weight 23.0 kg Typical Typical · median 24.5 kg
Cells 120 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.275 · 0.045 %/°C
NOCT 45 °C At 800 W/m², 20 °C ambient
Product warranty 12 years Hardware defects only
Performance warranty 25 years Typical median 25 yrs · median 25 yrs
End-of-warranty output 84.8 % Equals 369 W guaranteed
Degradation 2.00 → 0.55 % First year, then annual

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
-

Alternatives

All AmoSolar panels
Filter these
Size
Panel Power Eff. Temp. Weight Difference
AmoSolar AS450M10-120 450 W 20.78% -0.350 23.0 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, +4.0 pp, +5 yr warranty
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, +3.7 pp, +5 yr warranty
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +3.7 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +3.7 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, cooler, +3.7 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +3.7 pp
AS440M10-120 440 W 20.31% -0.350 23.0 kg -10 W, -0.5 pp
AS445M10-120 445 W 20.55% -0.350 23.0 kg -0.2 pp
AS455M10-120 455 W 21.01% -0.350 23.0 kg +0.2 pp
AS460M10-120 460 W 21.24% -0.350 23.0 kg +10 W, +0.5 pp
AS465M10-120 465 W 21.47% -0.350 23.0 kg +15 W, +0.7 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +110 W, cooler, +4.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +105 W, cooler, +3.8 pp
LR7-60HVHL-550M 550 W 24.40% -0.260 16.3 kg +100 W, cooler, +3.6 pp
JAT60S40-540/LR 540 W 24.40% -0.260 23.5 kg +90 W, cooler, +3.6 pp
GK-5-60HG-540M 540 W 24.40% -0.260 23.3 kg +90 W, cooler, +3.6 pp

Found 751 panels of the same or similar size to this one, within ±10 mm. See them here Found 755 panels of the same or similar size to this one, within ±25 mm. See them here Found 1049 panels of the same or similar size to this one, within ±50 mm. See them here Found 1503 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty coverage applies to the AmoSolar AS440-465M10-120 series?
The AS440-465M10-120 series carries a 12-year product warranty covering material defects and workmanship, along with a 25-year linear power output warranty. This means that after 25 years of operation, the module is guaranteed to produce at least 80% of its rated nameplate power. It is worth noting that AmoSolar does not appear on the Bloomberg Tier 1 module manufacturer list, which introduces a higher risk regarding long-term warranty claim fulfillment. Buyers are strongly advised to retain proof of purchase and ensure that warranty obligations are clearly defined in the installer contract.
Does PERC technology combined with half-cut cells make a meaningful difference in partially shaded installations?
Yes, and the benefit is twofold. PERC technology enhances the module's ability to capture diffuse irradiance, which is particularly relevant under the variable cloud cover typical of the Polish climate. Splitting each cell into two halves — yielding 120 half-cut cells instead of 60 full cells — reduces the operating current per string and limits resistive losses when part of the module is shaded by a chimney, antenna, or dormer window. The combined effect translates into measurably higher annual energy yield compared with conventional full-cell modules under real-world shading conditions.
How much energy will a single AmoSolar AS465M10-120 panel produce annually when installed in Poland?
The rated power of 465 Wp is measured under Standard Test Conditions (STC: 1,000 W/m², 25 °C), which represent a laboratory benchmark rather than real-world operation. In practice, a typical grid-tied PV installation in Poland generates between 900 and 1,100 kWh per year per installed kilowatt-peak, depending on geographic location, array tilt angle, and overall system losses (BoS losses, inverter efficiency, wiring). A single 465 Wp module in a well-designed south-facing installation in southern Poland can be expected to produce approximately 420–510 kWh annually.
Are the AmoSolar AS440-465M10-120 panels suitable for a typical pitched roof installation in Poland?
Yes. The AS440-465M10-120 series consists of monofacial modules — they do not feature an active rear surface — and are therefore installed using standard rooftop racking systems. The M10 cell format (182 mm wafer size) enables high power output within a relatively compact module footprint, which simplifies handling and layout planning on roofs with limited usable area. The modules are fully compatible with standard mounting systems widely available on the Polish market, including aluminum rail systems with mid and end clamps.
What distinguishes M10 (182 mm) cells from older cell formats, and why does this matter when selecting a module?
M10 cells with a 182 mm side length represent a larger wafer format than the older M6 (166 mm) or G1 (158 mm) generations. The larger cell area delivers higher per-module power without increasing the cell count, which directly reduces the cost per watt-peak and simplifies installation logistics by requiring fewer modules for a given system size. In the AmoSolar AS440-465M10-120 series, the use of 120 M10 half-cut cells allows the module to achieve up to 465 Wp — a competitive output level within the PERC technology class.
Is AmoSolar a reputable manufacturer, and is purchasing modules from this brand a safe choice?
AmoSolar is a Chinese photovoltaic module manufacturer that does not appear on the Bloomberg Tier 1 module manufacturer list — a ranking that includes approximately 3% of manufacturers deemed to be the largest and most financially stable in the industry. Absence from this list does not automatically indicate a defective product, but it does imply a higher risk regarding warranty fulfillment over a 25-year horizon, particularly if the manufacturer were to face financial difficulties. When purchasing this series, it is advisable to buy through a well-established distributor with a registered presence in Poland, as the distributor can serve as an additional layer of warranty protection and facilitate any future claims.
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