Halfcut BC White 485 vs Quartercut Premium DE Series 475W 8 of 18 identical Swap Change panels

Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W

Q: What is the efficiency of Solar-Fabrik Mono S4 Halfcut BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 has a module efficiency of 23.75%, while Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W is 23.77%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Solar-Fabrik Mono S4 Halfcut BC White 485 use vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 uses Back Contact cells; Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W uses TOPCon. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Solar-Fabrik Mono S4 Halfcut BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 has a 30 years power warranty; Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W 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.

Q: Are Solar-Fabrik Mono S4 Halfcut BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W bifacial panels?

Both Solar-Fabrik Mono S4 Halfcut BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W 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.

Solar-Fabrik

Mono S4 Halfcut BC White 485

485 Wp 23.75 % Back Contact Bifacial Incomplete

Open panel page Datasheet PDF

Solar-Fabrik

Mono S4 Quartercut Premium DE Series 475W

475 Wp 23.77 % TOPCon Bifacial Incomplete

Open panel page Datasheet PDF

The verdict

10 differences, and they point both ways

The largest is open-circuit voltage: 4.06 V apart. 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

What actually differs

10 of 18 parameters

Parameter Halfcut BC White 485 Quartercut Premium DE Series 475W Difference

Open-circuit voltage 40.64 V 36.58 V 4.06 V apart

Cell technology Back Contact TOPCon Back Contact vs TOPCon

Module area 2.041 m² 1.998 m² 0.043 m² apart

Rated power 485 Wp 475 Wp 10 W more power

Cell count 108 192 84 cells apart

Short-circuit current 15.08 A 15.93 A 0.85 A apart

Weight 25.0 kg 24.0 kg 1.0 kg lighter

Voltage at max power 33.61 V 31.05 V 2.56 V apart

Dimensions 1800x1134x30 mm 1762x1134x30 mm 1800x1134x30 mm vs 1762x1134x30 mm

Current at max power 14.43 A 15.30 A 0.87 A apart

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

Cell temperature

Same temp coeff. for both panels (-0.260 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.

Halfcut BC White 485

16,273 kWh

Quartercut Premium DE Series 475W

15,937 kWh

Lifetime gap

336 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario Halfcut BC White 485 Quartercut Premium DE Series 475W

Standard test conditions 25 °C 100.0% of rated power 485 W 475 W

Cool, bright day 40 °C 96.1% of rated power 466 W 456 W

Typical summer roof 55 °C 92.2% of rated power 447 W 438 W

Hot roof 70 °C 88.3% of rated power 428 W 419 W

Full specification

Parameter Halfcut BC White 485 Quartercut Premium DE Series 475W Difference

Power and efficiency

Rated power 485 Wp 475 Wp +10 W for Halfcut BC White 485

Module efficiency 23.75 % 23.77 % Effectively the same

Power density 237.6 Wp/m² 237.7 Wp/m² Effectively the same

Open-circuit voltage 40.64 V 36.58 V 4.06 V apart

Voltage at max power 33.61 V 31.05 V 2.56 V apart

Short-circuit current 15.08 A 15.93 A 0.85 A apart

Current at max power 14.43 A 15.30 A 0.87 A apart

Temperature

Temperature coefficient -0.260 %/°C -0.260 %/°C Same

Mechanical

Dimensions 1800x1134x30 mm 1762x1134x30 mm 1800x1134x30 mm vs 1762x1134x30 mm

Module area 2.041 m² 1.998 m² 0.043 m² apart

Weight 25.0 kg 24.0 kg -1.0 kg for Quartercut Premium DE Series 475W

Weight per kWp 51.5 kg/kWp 50.5 kg/kWp Effectively the same

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 Back Contact TOPCon Back Contact vs TOPCon

Cell type Monocrystalline Monocrystalline Same

Cell count 108 192 84 cells apart

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#513 vs #499

Quartercut Premium DE Series 475W leads by 14 places

Power density

#495 vs #467

Quartercut Premium DE Series 475W leads by 28 places

Heat behaviour

#511 vs #511

Tied - the same position in the database

Weight

#4,932 vs #3,892

Quartercut Premium DE Series 475W leads by 1,040 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#2,601 vs #2,861

Halfcut BC White 485 leads by 260 places

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Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W

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Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC White 480-490W

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Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC Series White 485W

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Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 485W

3 differences, the largest is module efficiency

Written summary

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Questions about this pairing

Which panel is better: Solar-Fabrik Mono S4 Halfcut BC White 485 or Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

According to our database: Solar-Fabrik Mono S4 Quartercut Premium DE Series 475 W has higher module efficiency (23.77% vs 23.75%). 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 BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 has a module efficiency of 23.75%, while Solar-Fabrik Mono S4 Quartercut Premium DE Series 475 W is 23.77%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Solar-Fabrik Mono S4 Halfcut BC White 485 use vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 uses Back Contact cells; Solar-Fabrik Mono S4 Quartercut Premium DE Series 475 W uses TOPCon. 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 BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W?

Solar-Fabrik Mono S4 Halfcut BC White 485 has a 30 years power warranty; Solar-Fabrik Mono S4 Quartercut Premium DE Series 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 BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W bifacial panels?

Both Solar-Fabrik Mono S4 Halfcut BC White 485 and Solar-Fabrik Mono S4 Quartercut Premium DE Series 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.

Shop prices: See 13 Solar-Fabrik offers

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.