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Trend Full Black 450 W vs BC Full Black 475W 8 of 18 identical Swap Change panels

Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik Mono S4 Halfcut BC Full Black 475W

Solar-Fabrik
Mono S4 Halfcut Trend Full Black 450 W
450 Wp 22.50 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
VS
Solar-Fabrik Mono S4 Halfcut BC Full Black 475W
Solar-Fabrik
Mono S4 Halfcut BC Full Black 475W
475 Wp 23.30 % Back Contact Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

BC Full Black 475W leads on the differences that matter

The largest is module efficiency: 0.80 pp more efficient. 8 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 10 differences
How alike are they
8 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

10 of 18 parameters
Parameter Trend Full Black 450 W BC Full Black 475W Difference
Module efficiency 22.50 % 23.30 % 0.80 pp more efficient
Temperature coefficient -0.290 %/°C -0.260 %/°C 0.030 %/°C better in heat
Rated power 450 Wp 475 Wp 25 W more power
Power density 225.2 Wp/m² 232.7 Wp/m² 7.5 Wp/m² higher
Cell technology TOPCon Back Contact TOPCon vs Back Contact
Module area 1.998 m² 2.041 m² 0.043 m² apart
Weight per kWp 55.3 kg/kWp 52.6 kg/kWp 2.7 kg/kWp lighter
Short-circuit current 14.17 A 14.88 A 0.71 A apart
Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm
Current at max power 13.27 A 14.23 A 0.96 A apart
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
Trend Full Black 450 W
15,098 kWh
BC Full Black 475W
15,937 kWh
Lifetime gap
839 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario Trend Full Black 450 W BC Full Black 475W
Standard test conditions 25 °C 100.0% of rated power 450 W 475 W
Cool, bright day 40 °C 95.7% of rated power 430 W 456 W
Typical summer roof 55 °C 91.3% of rated power 411 W 438 W
Hot roof 70 °C 87.0% of rated power 391 W 419 W
03

Full specification

Parameter Trend Full Black 450 W BC Full Black 475W Difference
Power and efficiency
Rated power 450 Wp 475 Wp +25 W for BC Full Black 475W
Module efficiency 22.50 % 23.30 % +0.80 pp for BC Full Black 475W
Power density 225.2 Wp/m² 232.7 Wp/m² +7.5 Wp/m² for BC Full Black 475W
Open-circuit voltage 40.25 V 40.42 V Effectively the same
Voltage at max power 33.91 V 33.38 V Effectively the same
Short-circuit current 14.17 A 14.88 A 0.71 A apart
Current at max power 13.27 A 14.23 A 0.96 A apart
Temperature
Temperature coefficient -0.290 %/°C -0.260 %/°C +0.030 %/°C for BC Full Black 475W
Mechanical
Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm
Module area 1.998 m² 2.041 m² 0.043 m² apart
Weight 24.9 kg 25.0 kg Effectively the same
Weight per kWp 55.3 kg/kWp 52.6 kg/kWp -2.7 kg/kWp for BC Full Black 475W
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology TOPCon Back Contact TOPCon vs Back Contact
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#4,281 vs #1,057
BC Full Black 475W leads by 3,224 places
Power density
#4,284 vs #1,231
BC Full Black 475W leads by 3,053 places
Heat behaviour
#2,220 vs #515
BC Full Black 475W leads by 1,705 places
Weight
#9,872 vs #6,309
BC Full Black 475W leads by 3,563 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,260 vs #3,472
BC Full Black 475W leads by 1,788 places
05

More useful comparisons

Open the full database
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik Mono S4 Halfcut Trend Full Black 460W
8 differences, the largest is module efficiency
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Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik S4-DG460-96TMax (Full Black)
8 differences, the largest is module efficiency
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik S4-DG455-96TMax (Full Black)
6 differences, the largest is open-circuit voltage
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik Mono S4 Halfcut Trend Full Black 455W
6 differences, the largest is open-circuit voltage
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W vs Solar-Fabrik Mono S4 Halfcut Trend Full Black 445 W
One difference: module efficiency
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut BC Full Black 475W vs Solar-Fabrik Mono S4 Halfcut BC Full Black 480W
One difference: module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W or Solar-Fabrik Mono S4 Halfcut BC Full Black 475W?
According to our database: Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W has higher module efficiency (23.30% vs 22.50%); Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W tolerates heat better (temp coeff -0.260%/°C vs -0.290%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W and Solar-Fabrik Mono S4 Halfcut BC Full Black 475W?
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W has a module efficiency of 22.50%, while Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W is 23.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W use vs Solar-Fabrik Mono S4 Halfcut BC Full Black 475W?
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W uses TOPCon cells; Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W uses Back Contact. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.
What is the warranty on Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W and Solar-Fabrik Mono S4 Halfcut BC Full Black 475W?
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W has a 30 years power warranty; Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W has a 30 years power warranty. The power warranty guarantees a minimum percentage of rated output at the end of the warranty period (typically 80-87%). Product (materials) warranties are usually shorter.
Are Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W and Solar-Fabrik Mono S4 Halfcut BC Full Black 475W bifacial panels?
Both Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W and Solar-Fabrik Mono S4 Halfcut BC Full Black 475 W are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

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Every figure here is from the manufacturers' own datasheets - a dash means the value is not published, never an estimate. The thirty-year projection and the temperature scenarios are calculations from those figures, and each states its assumption above.