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TCL Zhonghuan Brand review

HSM-ND48-GR450

450 Wp TOPCon Bifacial 80%
ComparePV verdict

Middle of its segment, heavy for its output

Rank 6,225 of 14,005
Compare panels Datasheet PDF
Power (Wp)
450
Weak · bottom 9%
Efficiency (%)
22.50
Typical · median 22.52%
Density (Wp/m²)
225.2
Typical · median 225.2
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
24.5
Weak · bottom 23%
Warranty (yrs)
30
Typical · median 30 yrs

The TCL Zhonghuan HSM-ND48-GR435-455 photovoltaic module series is a technologically advanced solution based on N-type TOPCon cells, which redefines efficiency standards on the market. Thanks to the use of a glass-glass construction with bifacial energy generation, these panels allow for significantly higher energy yields by effectively utilizing light reflected from the ground. This is a key improvement for investors seeking maximum self-consumption and a fast return on investment. This series stands out with an exceptionally low temperature coefficient, which guarantees stable operation and high power production even on the hottest days, when traditional modules lose efficiency. The compact design has been optimized for residential roofs and commercial installations, where limited space requires the use of components with the highest power density. These modules effectively solve the problem of installation aging by offering a minimal annual performance degradation of only 0.4 percent. A solid, double glass layer and a reinforced frame ensure resistance to extreme weather phenomena, while the elegant appearance makes the system blend perfectly with modern architecture. This is a product dedicated to demanding users who prioritize uncompromising durability and innovative silicon technology.

Ranking

1,089 panels in the segment TOPCon 450-500 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.50% 22.52% Typical 4,222
Power density 225.2 225.2 Typical 4,225
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 54.4 52.2 Weak · bottom 23% 8,755
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

0 positive · 1 caution
Best for

Residential, commercial and hot-climate.

Not ideal for

Weight-limited structures.

Watch-outs
54.4 kg per kWp

Bottom 23% of the TOPCon 450-500 W segment, against a median of 52.2.

Notes from the database
  • Efficiency of 22.5% matches the TOPCon 450-500W median
  • Power density of 225.2 W/m² matches the TOPCon 450-500W median
  • At -0.29%/°C, hot weather performance is typical for TOPCon 450-500W panels
  • Bifacial design (80% factor) captures reflected light - adds 4-12% yield on ground-mount or white roof
  • In the top 30% for efficiency among all TOPCon panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 450 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.50 % Typical Segment median 22.52%
Vmpp · Impp 30.13 V · 14.94 A Operating point at max power
Voc · Isc 35.56 V · 16.06 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1762×1134×30 mm · 2.00 m² of roof
Weight 24.5 kg Weak Weak · bottom 23%
Cells 96 · TOPCon Monocrystalline
Bifaciality 80 % Rear output as a share of front
Coefficient Pmax -0.290 %/°C Typical median -0.290 of its segment
Coefficient Voc · Isc -0.250 · 0.045 %/°C
NOCT 43 °C At 800 W/m², 20 °C ambient
Product warranty 25 years Hardware defects only
Performance warranty 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 87.4 % Equals 393 W guaranteed
Degradation 1.00 → 0.40 % First year, then annual

Datasheet charts

Open datasheet PDF

Measured curves published by TCL Zhonghuan 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.

30 Years Linear Performance Warranty 30 Years Linear 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
-
With bifacial gain
-

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
-
Bifacial gain
Rear gain over light concrete: -
-

Model: bifaciality × albedo × 0.6 view factor. A first-order estimate, not a yield simulation.

Filter these
Size
Panel Power Eff. Temp. Weight Difference
TCL Zhonghuan HSM-ND48-GR450 450 W 22.50% -0.290 24.5 kg You are here
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg +45 W, lighter, +2.3 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg +40 W, lighter, +2.0 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg +50 W, cooler, +2.0 pp
CIPRO-TN9C54M-500W 500 W 24.50% -0.260 21.4 kg +50 W, lighter, +2.0 pp
GK-3-54HGb-500M 500 W 24.50% -0.260 21.4 kg +50 W, lighter, +2.0 pp
GCL-NR10R/54BGDF 500 W 24.50% -0.260 24.6 kg +50 W, cooler, +2.0 pp
HSM-ND48-GR435 435 W 21.80% -0.290 24.5 kg -15 W, -0.7 pp
HSM-ND48-GR440 440 W 22.00% -0.290 24.5 kg -10 W, -0.5 pp
HSM-BD54-LA445 445 W 22.30% -0.260 21.5 kg Cooler, lighter
HSM-ND48-GR445 445 W 22.30% -0.290 24.5 kg Very close match
HSM-BD54-LA450 450 W 22.60% -0.260 21.5 kg Cooler, lighter
HSM-BD54-LA455 455 W 22.80% -0.260 21.5 kg Cooler, lighter, +0.3 pp
HSM-ND48-GR455 455 W 22.80% -0.290 24.5 kg +0.3 pp
HSM-BD54-WA460 460 W 23.10% -0.260 21.5 kg Cooler, lighter, +0.6 pp
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg +60 W, cooler, +2.5 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg +55 W, cooler, +2.2 pp

Found 1395 panels of the same or similar size to this one, within ±10 mm. See them here Found 1425 panels of the same or similar size to this one, within ±25 mm. See them here Found 3614 panels of the same or similar size to this one, within ±50 mm. See them here Found 3962 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How does N-type TOPCon technology in TCL Zhonghuan HSM-ND48-GR435-455 panels differ from standard PERC cells?
N-type TOPCon cells use an additional passivating contact layer that reduces carrier recombination and boosts efficiency compared to P-type PERC cells. In practice, this means higher power output from the same panel area, a lower annual degradation rate, and better performance at high temperatures, which translates into higher energy yields over the year.
Are bifacial panels from the HSM-ND48-GR435-455 series worth it on a pitched residential roof?
On a typical pitched roof, the bifacial gain is limited since the rear side has no access to reflected light from underneath. The biggest energy gain comes from flat roofs, ground-mount systems, or east-west arrays over a bright surface. Still, the glass-glass construction adds extra durability, so the panel performs well on pitched roofs too, just without fully utilizing the bifacial effect.
What warranty does TCL Zhonghuan offer on the HSM-ND48-GR435-455 series panels?
The manufacturer provides a 25-year product warranty covering material and workmanship defects, plus a 30-year linear power output warranty. This means that even after 30 years of operation, the panel should still deliver a significant share of its rated power, making it one of the longer warranty periods currently available on the PV market.
How low is the annual power degradation of the GR435-455 series and what does it mean for the investment?
Annual degradation is just 0.4 percent, a notably better result than classic P-type panels, which often degrade at 0.5-0.7 percent per year. For a system owner, this means higher energy production sustained throughout the panel's lifetime and a better real return on investment over a 25-30 year horizon.
Do TCL Zhonghuan HSM-ND48-GR435-455 panels perform well in summer, under high roof temperatures?
Yes, this series features an exceptionally low temperature coefficient, so power losses as module temperature rises are smaller than in standard panels. In practice, on hot days when the panel heats up to 60-70 degrees Celsius, energy production drops less than it would with a conventional construction.
Is choosing the 455 Wp variant of the HSM-ND48-GR series worthwhile for limited roof space?
Yes, the up-to-455 Wp variant sits in the higher power class within this panel segment, delivering more energy from the same number of modules. This is especially beneficial when roof space is limited, as it increases the power density of the installation and allows a higher total system power without adding extra panels.
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