Skip to main content
Phono Solar PS450M6-20/UH
Phono Solar Brand review

PS450M6-20/UH

450 Wp PERC
ComparePV verdict

Strong in heat, no clear weak spot

Rank 11,141 of 14,129
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 12%
Efficiency (%)
20.79
Typical · median 20.82%
Density (Wp/m²)
207.9
Typical · median 208.5
Temp (%/°C)
-0.330
Strong · top 8%
Weight (kg)
23.5
Typical · median 24.5 kg
Warranty (yrs)
25
Typical · median 25 yrs

The Phono Solar Twinplus module series (HIGH EFFICIENCY MONO-PERC M6-10B-R) was designed to maximize energy yield where every square meter of roof space counts and ensure stable performance in varying conditions. The use of mono-PERC cells supports high efficiency in daily operation, while half-cut technology minimizes connection losses and improves tolerance to partial shading, which is often critical near chimneys, window frames, or installations on multiple rafters. In practice, this translates to more predictable energy production and a better self-consumption balance.

Additionally, multi-busbar technology aids in more efficient current collection from the cells and enhances reliability over the long term. The manufacturer also highlights PID resistance and an optimized electrical layout, which reduces the risk of hot-spot formation, a common issue under uneven sunlight exposure. This makes it an excellent choice for both residential and commercial installations where high yield, safe operation, and worry-free long-term performance are priorities.

Ranking

452 panels in the segment PERC 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 20.79% 20.82% Typical 10,636
Power density 207.9 208.5 Typical 10,576
Temperature coefficient -0.330 -0.350 Strong · top 8% 8,613
Weight per kWp 52.2 53.1 Typical 5,729
Performance warranty 25 yrs 25 yrs Typical 9,912
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

6 positive · 2 caution
Best for

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

Strengths
-0.330 %/°C temperature coefficient

Top 8% of the PERC 450-500 W segment, against a median of -0.350. Ranked 8,613th in the whole database.

What owners get
Tier-1 BNEF status since 2014

Phono Solar (founded 2004) has held Tier-1 status on the Bloomberg New Energy Finance list continuously since 2014, confirming financial stability and bankability - a key factor for projects financed by lending institutions.

High unit power up to 555 Wp

The series spans 400-555 Wp with up to 21.51% efficiency, placing it near the top of the M6 PERC segment - comparable to Boviet Solar VEGA (555 Wp, 21.3%) and Shinson S-Max (555 Wp, 21.48%).

Half-cut cells with multi-busbar

Half-cut cell technology reduces resistive losses at cell interconnections and improves partial-shading tolerance (e.g., near chimneys or dormers), while the multi-busbar layout improves current collection efficiency and long-term reliability.

PID resistance and reduced hot-spot risk

An optimized electrical layout combined with PID (potential-induced degradation) resistance lowers the risk of hot spots under uneven irradiance, contributing to more stable performance over the module's operating life.

25-year power warranty

A standard-for-PERC-generation 25-year linear power warranty and 12-year product warranty give investors a predictable return horizon, in line with typical market terms for Tier-1 panels of this vintage.

Trade-offs
Discontinued in 2024

The Twinplus M6-10B-R series was discontinued (released 2021, end of production 2024), meaning limited availability of warranty service, matching replacement modules, and constrained options for expanding an existing installation with identical specs.

PERC technology trails N-type generation

The 21.51% peak efficiency lags behind Jinko Solar's JS-PERC (21.7% at the same 555 Wp), and by 2026 the market is dominated by N-type TOPCon/HJT modules with better temperature coefficients and lower LID degradation, making this series technologically dated relative to current offerings.

Notes from the database
  • Efficiency of 20.8% matches the PERC 450-500W median
  • Power density of 207.9 W/m² matches the PERC 450-500W median
  • Temperature coefficient of -0.33%/°C matches the PERC 450-500W median
  • Weight of 23.5 kg is typical for PERC 450-500W panels
  • #10636 for efficiency, #8613 for temperature performance out of 14129 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 20.79 % Typical Segment median 20.82%
Vmpp · Impp 34.23 V · 13.15 A Operating point at max power
Voc · Isc 40.87 V · 13.72 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1909×1134×30 mm · 2.16 m² of roof
Weight 23.5 kg Typical Typical · median 24.5 kg
Cells 120 · PERC Monocrystalline
Coefficient Pmax -0.330 %/°C Strong top 8% of its segment
Coefficient Voc · Isc -0.260 · 0.042 %/°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

Datasheet charts

Open datasheet PDF

Measured curves published by Phono Solar in this model's datasheet. A chart carrying a wattage was measured on that variant alone - only the ones that describe 450 Wp appear here. The rest cover the whole series.

25-year Linear Performance Warranty (Guaranteed Power) 25-year Linear Performance Warranty (Guaranteed Power) Whole series Power-Voltage Curves (Cell temp.=25°C) Power-Voltage Curves (Cell temp.=25°C) Whole series Current-Voltage Curves (Cell temp.=25°C) Current-Voltage Curves (Cell temp.=25°C) 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
-0.330 %/°C against a segment median of -0.350
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Phono Solar PS450M6-20/UH 450 W 20.79% -0.330 23.5 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
PS440M6-20/UH 440 W 20.33% -0.330 23.5 kg -10 W, -0.5 pp
PS445M6-20/UH 445 W 20.56% -0.330 23.5 kg -0.2 pp
NS-450MH-120 450 W 20.80% -0.290 21.5 kg Cooler, lighter
PS455M6-20/UH 455 W 21.02% -0.330 23.5 kg +0.2 pp
PS460M6-20/UH 460 W 21.25% -0.330 23.5 kg +10 W, +0.5 pp
NS-460MH-120 460 W 21.27% -0.290 21.5 kg Cooler, lighter, +0.5 pp
NS-470MH-120 470 W 21.73% -0.290 21.5 kg +20 W, cooler, +0.9 pp
NS-480MH-120 480 W 22.19% -0.290 21.5 kg +30 W, cooler, +1.4 pp
NS-485MH-120 485 W 22.42% -0.290 21.5 kg +35 W, cooler, +1.6 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +110 W, cooler, +4.0 pp

Found 751 panels of the same or similar size to this one, within ±10 mm. See them here Found 760 panels of the same or similar size to this one, within ±25 mm. See them here Found 917 panels of the same or similar size to this one, within ±50 mm. See them here Found 1508 panels of the same or similar size to this one, within ±100 mm. See them here

About the Twinplus Module Series (HIGH EFFICIENCY MONO-PERC M6-10B-R) series

6 answered

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

Is the Phono Solar Twinplus (MONO-PERC M6-10B-R) series still available for purchase?
The Phono Solar Twinplus High Efficiency MONO-PERC M6-10B-R series has been discontinued and is no longer an actively produced product. Limited availability may still exist through secondary markets or distributors with remaining stock. If you need similar specifications, current Phono Solar lineups offer comparable mono-PERC modules with similar or higher output.
What warranties come with the Phono Solar Twinplus MONO-PERC M6-10B-R panels?
Phono Solar backed this series with a 12-year product warranty covering materials and workmanship, and a 25-year linear power output warranty guaranteeing the module retains a defined percentage of its rated wattage over time. As a BloombergNEF Tier 1 manufacturer, Phono Solar's warranty commitments carry stronger long-term credibility than non-rated brands.
What does half-cut cell technology do in the Twinplus MONO-PERC M6-10B-R and does it help with shading?
Half-cut technology splits each PERC cell into two smaller halves, reducing resistive losses and splitting the module into two independent electrical circuits. When a chimney, dormer, or antenna shades part of the module, the unshaded half continues generating power normally. This translates to measurably better daily energy yield on rooftops with obstructions or suboptimal orientation.
What is the maximum power output of the Twinplus MONO-PERC M6-10B-R and what installations is it suited for?
The top power variant in this series reaches 555 Wp under standard test conditions (STC). The module suits both residential pitched-roof installs and commercial flat-roof systems. Higher per-panel wattage means fewer modules are needed to hit a target system size, which lowers BoS costs and reduces the required roof area.
How do the Phono Solar Twinplus MONO-PERC M6-10B-R panels perform in cold weather and on overcast days?
Mono-PERC cells outperform older polycrystalline technology in diffuse light conditions. The power temperature coefficient for this series is approximately -0.35%/°C, meaning output can exceed the nameplate rating on cold, sunny days. The multi-busbar design also improves current collection at low irradiance angles, benefiting energy harvest during early morning and late afternoon hours.
Are the Phono Solar Twinplus MONO-PERC M6-10B-R panels resistant to PID degradation?
Yes, Phono Solar declared PID (Potential Induced Degradation) resistance for this series, which is important in high-voltage DC systems operating in humid climates where PID can accelerate long-term power loss. The module's optimized cell circuit design also aimed to minimize hot-spot risk caused by uneven irradiance or partial shading across cells.
Add to compare