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TCL Zhonghuan Brand review

HSM-ND54-GR505

505 Wp TOPCon Bifacial 80%
ComparePV verdict

Solid all-round for its segment

Rank 4,152 of 14,005
Compare panels Datasheet PDF
Power (Wp)
505
Typical for its class
Efficiency (%)
22.70
Typical · median 22.73%
Density (Wp/m²)
227.1
Typical · median 227.4
Temp (%/°C)
-0.290
Typical · median -0.290
Weight (kg)
27.0
Typical · median 27.0 kg
Warranty (yrs)
30
Typical · median 30 yrs

TCL Zhonghuan HSM-ND54-GR series photovoltaic panels utilize advanced N-type cell technology, which translates into significantly higher energy efficiency compared to standard P-type modules. The use of TOPCon technology allows for minimizing natural material degradation and achieving better yields in low-light conditions, which is crucial in the Polish climate. Thanks to its compact design based on 54 cells, this series is perfectly suited for residential rooftops where the priority is maximizing limited space while maintaining aesthetics. An innovative approach to rectangular cell architecture provides higher power density, which directly reduces installation costs and accelerates return on investment. What sets these modules apart from the competition is exceptional resistance to LID and LeTID degradation, guaranteeing stable power production over many years of use. Additionally, this series offers the lowest temperature coefficient, ensuring that the panels maintain high efficiency even during summer heat. Choosing the HSM-ND54-GR model is an investment in durability and measurable savings, eliminating typical problems associated with power drops of traditional cells in difficult operating conditions.

Ranking

432 panels in the segment TOPCon 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 22.70% 22.73% Typical 3,307
Power density 227.1 227.4 Typical 3,312
Temperature coefficient -0.290 -0.290 Typical 2,165
Weight per kWp 53.5 52.4 Typical 7,409
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 · 0 caution
Best for

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

Notes from the database
  • Efficiency of 22.7% matches the TOPCon 500-550W median
  • At 227.1 W/m² power density, roof space requirements are typical for TOPCon 500-550W panels
  • At -0.29%/°C, hot weather performance is typical for TOPCon 500-550W panels
  • 80% bifaciality enables rear-side power generation, boosting yield by 4-12% on reflective surfaces
  • #3307 for efficiency, #2165 for temperature performance out of 14005 panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 505 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 22.70 % Typical Segment median 22.73%
Vmpp · Impp 33.90 V · 14.90 A Operating point at max power
Voc · Isc 40.14 V · 15.88 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 1961×1134×30 mm · 2.22 m² of roof
Weight 27.0 kg Typical Typical · median 27.0 kg
Cells 108 · 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 441 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 505 Wp appear here. The rest cover the whole series.

30-Year Linear Performance Warranty 30-Year Linear Performance Warranty Whole series I-V Curves (505W) I-V Curves (505W) 505 W P-V Curves (505W) P-V Curves (505W) 505 W

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-ND54-GR505 505 W 22.70% -0.290 27.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +2.3 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +2.1 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +2.0 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg +50 W, cooler, +1.9 pp
AIKO-A490-MCE54Mw 490 W 24.50% -0.260 21.0 kg Cooler, lighter, +1.8 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg Cooler, lighter, +1.8 pp
HSM-ND54-GR490 490 W 22.00% -0.290 27.0 kg -15 W, -0.7 pp
HSM-ND54-GR495 495 W 22.30% -0.290 27.0 kg -10 W, -0.4 pp
HSM-BD60-LA500 500 W 22.60% -0.260 23.5 kg Cooler, lighter
HSM-ND54-GR500 500 W 22.50% -0.290 27.0 kg Very close match
HSM-BD60-LA505 505 W 22.80% -0.260 23.5 kg Cooler, lighter
HSM-BD60-LA510 510 W 23.00% -0.260 23.5 kg Cooler, lighter, +0.3 pp
HSM-ND54-GR510 510 W 22.90% -0.290 27.0 kg Very close match
HSM-BD60-LA515 515 W 23.20% -0.260 23.5 kg Cooler, lighter, +0.5 pp
HSM-ND54-GR515 515 W 23.20% -0.290 27.0 kg +10 W, +0.5 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg +55 W, cooler, +2.1 pp

Found 471 panels of the same or similar size to this one, within ±10 mm. See them here Found 508 panels of the same or similar size to this one, within ±25 mm. See them here Found 662 panels of the same or similar size to this one, within ±50 mm. See them here Found 1471 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
How much power does the TCL Zhonghuan HSM-ND54-GR panel produce and what is its efficiency?
The top variant in this series reaches up to 515 Wp with cell efficiency of up to 23.2%. This is achieved thanks to N-type TOPCon technology and a rectangular cell layout that increases power density, letting you get more energy from the same roof area compared to older P-type panels.
Are HSM-ND54-GR panels bifacial, and is that worth it?
Yes, this series uses a glass-glass, bifacial design that also captures light reflected from the ground or roof surface on the rear side. In practice this adds a few extra percent of annual yield, especially when mounted over light-colored surfaces, gravel, or racking that allows airflow and light beneath the module.
What warranty comes with the TCL Zhonghuan HSM-ND54-GR series?
The manufacturer offers a 25-year product warranty and a 30-year linear power output warranty. This means that even after three decades of operation, the panel is guaranteed to retain a high percentage of its nominal power, one of the longest coverage periods currently available in the solar market.
Does this series perform well in cold weather and low-light conditions?
Yes. N-type TOPCon technology has a low temperature coefficient, so the panel loses less output as module temperature rises compared to standard P-type cells. It also performs better under weak, diffused light, which matters in climates with many overcast days.
How is TOPCon different from standard PERC panels?
TOPCon is an N-type cell technology with an additional passivation layer that reduces electron recombination, resulting in higher efficiency than the widely used P-type PERC cells. This translates into more power per unit area, lower LID and LeTID degradation, and more stable energy output over the system's lifetime.
Are the 54-cell HSM-ND54-GR panels suitable for a small residential roof?
Yes, the compact design built around 54 rectangular cells was created for residential roofs with limited space. Its high power density means fewer panels are needed to reach the target system size, lowering installation costs and shortening install time while keeping the roof looking clean.
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