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Sun Earth Brand review

DXM8-72H/BF 545W

545 Wp PERC
ComparePV verdict

Space saver, no clear weak spot

Rank 7,324 of 14,005
Compare panels Datasheet PDF
Power (Wp)
545
Strong · top 12%
Efficiency (%)
21.10
Strong · top 20%
Density (Wp/m²)
211.0
Strong · top 18%
Temp (%/°C)
-0.350
Typical · median -0.350
Weight (kg)
28.0
Typical · median 28.4 kg
Warranty (yrs)
30
Typical · median 30 yrs

The Sun Earth STEEL DXM8-72H/BF series stands out due to the combination of advanced PERC Half-Cut cell technology with an innovative 10-busbar cylindrical ribbon system, which minimizes the risk of microcrack formation and effectively reduces internal power losses. This allows the modules to maintain high efficiency throughout the entire lifespan of the installation, even in demanding environmental conditions. The bifacial design (two-sided) enables energy to be harvested from both direct and reflected sunlight, resulting in higher annual yields compared to traditional single-sided panels. The black anodized aluminum frame gives the modules an elegant appearance, which is particularly desirable in residential and commercial installations. The STEEL series is designed for reliability in challenging conditions - the panels are fully PID-resistant (Power Induced Degradation), withstand extreme snow and wind loads, and operate over a wide temperature range. The quality is confirmed by a 30-year warranty on linear power output decline, making this series an excellent choice for both large-scale solar farms and rooftop solar installations for residential and industrial buildings.

Ranking

706 panels in the segment PERC 500-550 W
Metric This panel Median Position in segment Overall rank
Module efficiency 21.10% 20.90% Strong · top 20% 9,297
Power density 211.0 209.0 Strong · top 18% 9,312
Temperature coefficient -0.350 -0.350 Typical 10,419
Weight per kWp 51.4 53.0 Typical 4,754
Performance warranty 30 yrs 30 yrs Typical 21
Colour key Strong - top 25% Typical - middle 50% Weak - bottom 25%

Signals from the data

2 positive · 0 caution
Best for

Roofs where every square metre counts and small roofs that need every watt.

Strengths
211.0 watts per square metre

Top 18% of the PERC 500-550 W segment, against a median of 209.0.

21.10% module efficiency

Top 20% of the PERC 500-550 W segment, against a median of 20.90%.

Notes from the database
  • At 21.1% efficiency, this panel is on par with typical PERC 500-550W modules
  • Power density of 211.0 W/m² matches the PERC 500-550W median
  • At -0.35%/°C, hot weather performance is typical for PERC 500-550W panels
  • In the top 66% for efficiency among all PERC panels

Specifications

Open datasheet PDF
Nominal power (Pmax) 545 Wp Nameplate at 1000 W/m², 25 °C
Module efficiency 21.10 % Strong Segment median 20.90%
Vmpp · Impp 41.80 V · 13.04 A Operating point at max power
Voc · Isc 49.80 V · 13.92 A Sizes the string length
Max system voltage 1500 V Longer strings than 1000 V modules
Dimensions 2278×1134×35 mm · 2.58 m² of roof
Weight 28.0 kg Typical Typical · median 28.4 kg
Cells 144 · 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 30 years Typical median 30 yrs · median 30 yrs
End-of-warranty output 81.0 % Equals 441 W guaranteed
Degradation 2.50 → 0.57 % 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
-
Filter these
Size
Panel Power Eff. Temp. Weight Difference
Sun Earth DXM8-72H/BF 545W 545 W 21.10% -0.350 28.0 kg You are here
LR7-54HJD-510M 510 W 25.00% -0.240 23.5 kg Cooler, lighter, +3.9 pp
AIKO-A495-MCE54Mw 495 W 24.80% -0.260 21.0 kg Cooler, lighter, +3.7 pp
LR7-60HVH-560M 560 W 24.80% -0.260 25.0 kg Cooler, lighter, +3.7 pp
LR7-54HJD-505M 505 W 24.70% -0.240 23.5 kg Cooler, lighter, +3.6 pp
LR7-60HVH-555M 555 W 24.60% -0.260 25.0 kg Cooler, lighter, +3.5 pp
LR7-54HJD-500M 500 W 24.50% -0.240 23.5 kg -45 W, cooler, +3.4 pp
DXM8-72H/BF 535W 535 W 20.70% -0.350 28.0 kg -10 W, -0.4 pp
DXM8-72H/BF 540W 540 W 20.90% -0.350 28.0 kg -0.2 pp
SKT550M10-144D4 550 W 21.29% -0.290 32.0 kg Cooler, heavier
SKT555M10-144D4 555 W 21.48% -0.290 32.0 kg Cooler, heavier, +0.4 pp
SKT560M10-144D4 560 W 21.68% -0.290 32.0 kg Cooler, heavier, +0.6 pp
AIKO-A650-MAE72Mw 650 W 25.20% -0.260 27.0 kg +105 W, cooler, +4.1 pp
AIKO-A645-MAE72Mw 645 W 25.00% -0.260 27.0 kg +100 W, cooler, +3.9 pp
AIKO-A640-MAE72Mw 640 W 24.80% -0.260 27.0 kg +95 W, cooler, +3.7 pp
AIKO-A635-MAE72Mw 635 W 24.60% -0.260 27.0 kg +90 W, cooler, +3.5 pp
AIKO-A630-MAH72Dw 630 W 24.40% -0.260 32.5 kg +85 W, cooler, +3.3 pp

Found 2326 panels of the same or similar size to this one, within ±10 mm. See them here Found 2368 panels of the same or similar size to this one, within ±25 mm. See them here Found 2382 panels of the same or similar size to this one, within ±50 mm. See them here Found 2547 panels of the same or similar size to this one, within ±100 mm. See them here

Common questions

6 answered
What is the warranty on Sun Earth STEEL DXM8-72H/BF solar panels?
The Sun Earth STEEL series comes with a 12-year product warranty covering material and workmanship defects, and a 30-year linear power output warranty. This guarantees that after 30 years of operation the panels will retain a specified minimum percentage of their rated power — one of the longest power warranties available in this class of PV modules.
What are 10-busbar cylindrical ribbons in the Sun Earth STEEL series and why do they matter?
The 10-busbar cylindrical ribbon technology distributes current across more conductive paths, shortening the electron travel distance and reducing internal resistance. The cylindrical cross-section of each ribbon minimizes mechanical stress on the PERC half-cut cells, reducing the risk of micro-cracks. In practice, this translates to higher conversion efficiency and better long-term durability over the 30-year system lifetime.
Are Sun Earth STEEL 550 Wp panels suitable for a pitched residential roof?
Yes, the STEEL series up to 550 Wp works well on both pitched and flat roofs. The black anodized aluminum frame gives the modules a sleek appearance that is especially valued in residential prosumer installations. Before purchasing, consult a certified installer to confirm that the roof structure can support the module weight and accommodate a compatible mounting system.
Are Sun Earth STEEL panels resistant to PID and extreme weather conditions?
Yes, the STEEL series is engineered for full resistance to PID (Potential Induced Degradation), which is especially critical in large systems operating at high DC string voltages. The modules withstand extreme snow and wind loads and function reliably across a wide temperature range, as confirmed by IEC compliance certifications.
Does the PERC half-cut cell technology in the Sun Earth STEEL series improve performance under partial shading?
Yes. PERC half-cut cells are split in two, which halves the operating current in each cell string and reduces resistive losses. The internal wiring layout also means that partial shading of one section — for example from a chimney or antenna — has a smaller impact on total module output than with conventional full cells. For rooftops with obstacles, this is a meaningful advantage that raises annual energy yield.
Is Sun Earth a Tier 1 manufacturer, and does it matter when choosing these panels?
Sun Earth is not currently listed as a Tier 1 manufacturer by major PV rating agencies such as BloombergNEF. This can be relevant when applying for bank financing or a PV leasing product, where lenders often require modules from Tier 1 suppliers. It is advisable to check the specific requirements of your financing program or lender before committing to a purchase.
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