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Quartercut Premium DE Series 480W vs Halfcut BC White 485 8 of 18 identical Swap Change panels

Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Halfcut BC White 485

Solar-Fabrik
Mono S4 Quartercut Premium DE Series 480W
480 Wp 24.02 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
VS
Solar-Fabrik Mono S4 Halfcut BC White 485
Solar-Fabrik
Mono S4 Halfcut BC White 485
485 Wp 23.75 % Back Contact Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

Quartercut Premium DE Series 480W leads on the differences that matter

The largest is open-circuit voltage: 3.81 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
01

What actually differs

10 of 18 parameters
Parameter Quartercut Premium DE Series 480W Halfcut BC White 485 Difference
Open-circuit voltage 36.83 V 40.64 V 3.81 V apart
Module efficiency 24.02 % 23.75 % 0.27 pp more efficient
Cell technology TOPCon Back Contact TOPCon vs Back Contact
Module area 1.998 m² 2.041 m² 0.043 m² apart
Cell count 192 108 84 cells apart
Short-circuit current 15.98 A 15.08 A 0.90 A apart
Weight 24.0 kg 25.0 kg 1.0 kg lighter
Voltage at max power 31.17 V 33.61 V 2.44 V apart
Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm
Current at max power 15.40 A 14.43 A 0.97 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
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.
Quartercut Premium DE Series 480W
16,105 kWh
Halfcut BC White 485
16,273 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario Quartercut Premium DE Series 480W Halfcut BC White 485
Standard test conditions 25 °C 100.0% of rated power 480 W 485 W
Cool, bright day 40 °C 96.1% of rated power 461 W 466 W
Typical summer roof 55 °C 92.2% of rated power 443 W 447 W
Hot roof 70 °C 88.3% of rated power 424 W 428 W
03

Full specification

Parameter Quartercut Premium DE Series 480W Halfcut BC White 485 Difference
Power and efficiency
Rated power 480 Wp 485 Wp Effectively the same
Module efficiency 24.02 % 23.75 % +0.27 pp for Quartercut Premium DE Series 480W
Power density 240.2 Wp/m² 237.6 Wp/m² Effectively the same
Open-circuit voltage 36.83 V 40.64 V 3.81 V apart
Voltage at max power 31.17 V 33.61 V 2.44 V apart
Short-circuit current 15.98 A 15.08 A 0.90 A apart
Current at max power 15.40 A 14.43 A 0.97 A apart
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1800x1134x30 mm 1762x1134x30 mm vs 1800x1134x30 mm
Module area 1.998 m² 2.041 m² 0.043 m² apart
Weight 24.0 kg 25.0 kg -1.0 kg for Quartercut Premium DE Series 480W
Weight per kWp 50.0 kg/kWp 51.5 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 TOPCon Back Contact TOPCon vs Back Contact
Cell type Monocrystalline Monocrystalline Same
Cell count 192 108 84 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#294 vs #513
Quartercut Premium DE Series 480W leads by 219 places
Power density
#294 vs #495
Quartercut Premium DE Series 480W leads by 201 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#3,317 vs #4,932
Quartercut Premium DE Series 480W leads by 1,615 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,440 vs #2,601
Quartercut Premium DE Series 480W leads by 161 places
05

More useful comparisons

Open the full database
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 485W
One difference: module efficiency
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Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W
One difference: module efficiency
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Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC White 490
One difference: module efficiency
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W
One difference: module efficiency
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC White 480-490W
The same specification on paper
Same series, other bin
Solar-Fabrik
Solar-Fabrik Mono S4 Halfcut BC White 485 vs Solar-Fabrik Mono S4 Halfcut BC Series White 485W
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W or Solar-Fabrik Mono S4 Halfcut BC White 485?
According to our database: Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W has higher module efficiency (24.02% 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 Quartercut Premium DE Series 480W and Solar-Fabrik Mono S4 Halfcut BC White 485?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W has a module efficiency of 24.02%, while Solar-Fabrik Mono S4 Halfcut BC White 485 is 23.75%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W use vs Solar-Fabrik Mono S4 Halfcut BC White 485?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W uses TOPCon cells; Solar-Fabrik Mono S4 Halfcut BC White 485 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 Quartercut Premium DE Series 480W and Solar-Fabrik Mono S4 Halfcut BC White 485?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W has a 30 years power warranty; Solar-Fabrik Mono S4 Halfcut BC White 485 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 Quartercut Premium DE Series 480W and Solar-Fabrik Mono S4 Halfcut BC White 485 bifacial panels?
Both Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W and Solar-Fabrik Mono S4 Halfcut BC White 485 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.