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480W vs 485W 17 of 18 identical Swap Change panels

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

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 Quartercut Premium DE Series 485W
485 Wp 24.27 % TOPCon Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

485W leads on the differences that matter

The largest is module efficiency: 0.25 pp more efficient. 17 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See the one difference
How alike are they
17 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

1 of 18 parameters
Parameter 480W 485W Difference
Module efficiency 24.02 % 24.27 % 0.25 pp more efficient
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.
480W
16,105 kWh
485W
16,273 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 480W 485W
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 480W 485W Difference
Power and efficiency
Rated power 480 Wp 485 Wp Effectively the same
Module efficiency 24.02 % 24.27 % +0.25 pp for 485W
Power density 240.2 Wp/m² 242.7 Wp/m² Effectively the same
Open-circuit voltage 36.83 V 37.08 V Effectively the same
Voltage at max power 31.17 V 31.29 V Effectively the same
Short-circuit current 15.98 A 16.03 A Effectively the same
Current at max power 15.40 A 15.50 A Effectively the same
Temperature
Temperature coefficient -0.260 %/°C -0.260 %/°C Same
Mechanical
Dimensions 1762x1134x30 mm 1762x1134x30 mm Same
Module area 1.998 m² 1.998 m² Same
Weight 24.0 kg 24.0 kg Same
Weight per kWp 50.0 kg/kWp 49.5 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 TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 192 192 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#294 vs #164
485W leads by 130 places
Power density
#294 vs #140
485W leads by 154 places
Heat behaviour
#511 vs #511
Tied - the same position in the database
Weight
#3,317 vs #3,021
485W leads by 296 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,440 vs #2,094
485W leads by 346 places
05

More useful comparisons

Open the full database
Same series, other bin
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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 Quartercut Premium DE Series 480W vs Solar-Fabrik S4-DG625-132TMax
13 differences, the largest is module efficiency
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Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik S4-DG620-132TMax
13 differences, the largest is module efficiency
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Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Halfcut BC White 490
10 differences, the largest is open-circuit voltage
Same manufacturer
Solar-Fabrik
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W
10 differences, the largest is open-circuit voltage
Same manufacturer
Solar-Fabrik
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W vs Solar-Fabrik Mono S4 Halfcut BC White 485
10 differences, the largest is open-circuit voltage
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 Quartercut Premium DE Series 485W?
According to our database: Solar-Fabrik Mono S4 Quartercut Premium DE Series 485 W has higher module efficiency (24.27% vs 24.02%). 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 Quartercut Premium DE Series 485W?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W has a module efficiency of 24.02%, while Solar-Fabrik Mono S4 Quartercut Premium DE Series 485 W is 24.27%. 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 Quartercut Premium DE Series 485W?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W uses TOPCon cells; Solar-Fabrik Mono S4 Quartercut Premium DE Series 485 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 Quartercut Premium DE Series 480W and Solar-Fabrik Mono S4 Quartercut Premium DE Series 485W?
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W has a 30 years power warranty; Solar-Fabrik Mono S4 Quartercut Premium DE Series 485 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 Quartercut Premium DE Series 480W and Solar-Fabrik Mono S4 Quartercut Premium DE Series 485W bifacial panels?
Both Solar-Fabrik Mono S4 Quartercut Premium DE Series 480 W and Solar-Fabrik Mono S4 Quartercut Premium DE Series 485 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.