Skip to main content
AmoSolar Brand review

AS440M6-144

440 Wp PERC
ComparePV verdict

Middle of its segment, modest efficiency

Rank 11,664 of 14,005
Compare panels Datasheet PDF
Power (Wp)
440
Strong · top 15%
Efficiency (%)
20.13
Weak · bottom 17%
Density (Wp/m²)
202.4
Weak · bottom 21%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
23.0
Typical · median 22.0 kg
Warranty (yrs)
25
Typical · median 25 yrs

The AmoSolar AS440-465M6-144 series comprises monocrystalline PERC modules in a half-cut configuration, designed for high energy production under realistic rooftop and ground conditions. The splitting of the cells reduces internal resistance losses, allowing the panel to better handle partial shading and maintain a more stable power output, even when exposed to dirt, chimneys, or neighboring buildings. The use of popular M6 cell format facilitates component availability and aligns with the standards of many commercial projects. The module is also prepared for use in higher voltage systems, enabling more flexible design of longer strings and optimized cabling.

In practice, this series addresses two key issues for investors: reducing energy yield in less-than-ideal conditions and supporting profitability through a longer lifespan - a solid product warranty and power warranty increase predictability of returns. This is a good choice for homes, businesses, and PV farms, where reliability and high energy yield per square meter are important.

Ranking

954 panels in the segment PERC 400-450 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.13% 20.60% Weak · bottom 17% 12,089
Power density 202.4 206.2 Weak · bottom 21% 11,857
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 52.3 53.0 Typical 5,732
Performance warranty 25 yrs 25 yrs Typical 9,798
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

4 positive · 6 caution
Best for

Residential, commercial and shaded-installations.

Not ideal for

Tight roof space and roofs where every square metre has to count.

Watch-outs
20.13% module efficiency

Bottom 17% of the PERC 400-450 W segment, against a median of 20.60%.

202.4 watts per square metre

Bottom 21% of the PERC 400-450 W segment, against a median of 206.2.

What owners get
Half-cut PERC – improved resistance to shading

Dividing the cell into two halves reduces internal resistance losses by approximately 50% compared to full-sized cells, which significantly improves performance under partial shading conditions (e.g., from chimneys, antennas, and surrounding buildings) – a key advantage for rooftop installations in urban and suburban areas.

Wide range of power: 440–465 Wp in 6 different versions

The six available power options allow for precise matching of the panels to the available roof space and project requirements, without compromising on performance – making them suitable for both residential and commercial solar installations.

25-year power output warranty

The manufacturer offers a standard 25-year linear power warranty, which ensures predictable energy output and is a requirement for many financial institutions that fund commercial installations.

M6 cell format (182 mm) – wide compatibility

M6 connectors are one of the most prevalent formats on the market, ensuring compatibility with most commercially available mounting structures, inverters, and monitoring systems used in commercial and prosumer projects.

Trade-offs
Manufacturer not included in Tier 1 (non-bankable)

AmoSolar is not listed on the BNEF Tier 1 list (Q1 2026). For projects funded by banks or investment funds, the lack of a "bankable" status could exclude this series from the list of approved suppliers or increase the required level of financial security.

Efficiency: 20.13–21.27% – below comparable benchmarks

The best variant of the series achieves 21.27%, while the JS Solar JS182MHC120 offers 21.48%, and the DAH DHN-54R18/DG(BW) achieves 22.78% – this means that, for the same roof area, there is a real reduction in energy yield or the need to install a larger number of modules.

P-type PERC technology – higher LID and degradation compared to N-type

PER (P-type) cells exhibit higher degradation after the first year of operation (around 2% LID) and an annual degradation rate of 0.5–0.7%, compared to N-type TOPCon cells (around 1% and 0.25–0.4% annually). The comparable DAH technology offers bifacial N-type cells, which results in significantly higher cumulative yield over a 25-year period.

12-year product warranty – below the market standard

Leading manufacturers from Tier 1 (Jinko Solar, JA Solar, Trina) typically offer standard product warranties of 15-25 years. AmoSolar, on the other hand, offers a warranty of only 12 years, which reduces the period of protection against material and manufacturing defects – a significant risk factor in long-term service agreements.

Notes from the database
  • At 20.1% efficiency, this panel is on par with typical PERC 400-450W modules
  • Power density of 202.4 W/m² is 3.8 W/m² below PERC 400-450W median (206.2 W/m²) - needs more roof space
  • At -0.35%/°C, hot weather performance is typical for PERC 400-450W panels
  • At 23.0 kg, weight matches the PERC 400-450W median
  • Ranked #12089 out of 14005 panels for efficiency in the database

Specifications

Open datasheet PDF
Nominal power (Pmax) 440 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.13 % Weak Segment median 20.60%
Vmpp · Impp 40.90 V · 10.76 A Operating point at max power
Voc · Isc 49.40 V · 11.28 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2094×1038×35 mm · 2.17 m² of roof
Weight 23.0 kg Typical Typical · median 22.0 kg
Cells 144 · PERC Monocrystalline
Coefficient Pmax -0.350 %/°C Typical median -0.350 of its segment
Coefficient Voc · Isc -0.272 · 0.044 %/°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 361 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 AS440M6-144 440 W 20.13% -0.350 23.0 kg You are here
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +50 W, cooler, +4.4 pp
STP-NT11/48QGSF-490 490 W 24.50% -0.260 21.5 kg +50 W, cooler, +4.4 pp
JAT54S40-485/LR 485 W 24.30% -0.260 19.3 kg Cooler, +4.2 pp, +5 yr warranty
AIKO-A485-MCE54Mw 485 W 24.30% -0.260 21.0 kg Cooler, +4.2 pp, +5 yr warranty
AIKO-A485-MAH54Mw 485 W 24.30% -0.260 21.5 kg Cooler, +4.2 pp, +5 yr warranty
GK-5-54HG-485M 485 W 24.30% -0.260 21.0 kg Cooler, +4.2 pp, +5 yr warranty
ZEUS 3.0+ 108 485WP 485 W 24.30% -0.260 24.2 kg Cooler, +4.2 pp, +5 yr warranty
AS445M6-144 445 W 20.36% -0.350 23.0 kg +0.2 pp
AS450M6-144 450 W 20.58% -0.350 23.0 kg +10 W, +0.4 pp
AS455M6-144 455 W 20.81% -0.350 23.0 kg +15 W, +0.7 pp
AS460M6-144 460 W 21.04% -0.350 23.0 kg +20 W, +0.9 pp
AS465M6-144 465 W 21.27% -0.350 23.0 kg +25 W, +1.1 pp
GKA120N-PRO-590W 590 W 23.82% -0.300 26.7 kg +150 W, +3.7 pp, +5 yr warranty
GKA120N-PRO-585W 585 W 23.62% -0.300 26.7 kg +145 W, +3.5 pp, +5 yr warranty
BGO 580 580 W 23.50% -0.290 26.0 kg +140 W, cooler, +3.4 pp
GKA120N-PRO-580W 580 W 23.42% -0.300 26.7 kg +140 W, +3.3 pp, +5 yr warranty

Found 234 panels of the same or similar size to this one, within ±10 mm. See them here Found 325 panels of the same or similar size to this one, within ±25 mm. See them here Found 352 panels of the same or similar size to this one, within ±50 mm. See them here Found 1158 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What warranty is offered on the AmoSolar AS440-465M6-144 panels?
The AmoSolar AS440-465M6-144 series comes with a 12-year product warranty covering material and workmanship defects, as well as a 25-year linear power output warranty. The linear power warranty guarantees a gradual, predictable degradation in energy production over a quarter century, making it significantly easier to model return on investment for both residential and commercial installations.
Do the AmoSolar AS440-465M6-144 panels perform well under partial shading, such as from a chimney or dormer window?
Yes. The AS440-465M6-144 series employs half-cut cell technology, which splits each cell into two halves and substantially reduces power losses caused by partial shading. When a portion of the module is shaded by a chimney, antenna, or adjacent roof section, the remaining cells continue to operate more efficiently than they would in conventional full-cell modules. This is a meaningful advantage in typical urban and suburban rooftop environments.
What is the peak power output of the most powerful panel in the AmoSolar AS440-465M6-144 series?
The highest peak power rating in this series is 465 Wp. The series spans a range from 440 to 465 Wp, allowing integrators to select the appropriate variant based on available roof area or specific project requirements. The M6 cells arranged in a 144 half-cut configuration achieve this output while maintaining a respectable module efficiency per square meter.
Are the AmoSolar AS440-465M6-144 panels bifacial?
No, the AS440-465M6-144 series consists of monofacial modules. Energy is generated exclusively through the front glass-covered surface. This means the installation does not require a light-reflective ground surface or specialized racking systems with elevated clearance, which simplifies mounting on standard pitched and flat roofs.
Can AmoSolar AS440-465M6-144 modules be used in longer strings and higher-voltage system designs?
Yes. The AS440-465M6-144 series is rated for elevated system voltages, enabling the design of longer strings. This is a practical advantage in large commercial rooftop installations and PV farms, where longer strings reduce the overall DC cabling run and simplify the electrical system design.
What is the PERC technology used in the AmoSolar AS440-465M6-144 panels, and does it justify the cost?
PERC (Passivated Emitter and Rear Cell) is a variant of monocrystalline cell technology that incorporates an additional reflective passivation layer on the rear surface of the cell. Light that passes through the cell without being absorbed is reflected back, giving it a second opportunity to generate current. In practice, this translates to higher module efficiency and improved performance under diffuse, overcast light conditions. At current market pricing, PERC has become the industry standard and is comparably priced to conventional modules, making it a straightforward choice rather than a premium add-on.
Add to compare