Solar-Fabrik Mono S4 Halfcut BC Series White 485W vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W
Solar-Fabrik
Mono S4 Halfcut BC Series White 485W
485 Wp
23.80 %
Back Contact
Bifacial
Incomplete
VS
Solar-Fabrik
Mono S4 Halfcut BC Series White 490W
490 Wp
24.00 %
Back Contact
Bifacial
Incomplete
The verdict
490W leads on the differences that matter
The largest is module efficiency: 0.20 pp more efficient. 16 of 17 comparable parameters are identical, with 2 more left out because at least one datasheet does not publish them.
See the one differenceHow alike are they
16
of 17 comparable
parameters are identical
parameters are identical
identical
differs
not published
01
1 of 17 parameters
What actually differs
Parameter
485W
490W
Difference
Module efficiency
23.80 %
24.00 %
0.20 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
Projected at 25 °C. Neither datasheet publishes this, so a hotter case cannot be shown without inventing one side of it.
485W
16,273 kWh
490W
16,440 kWh
Lifetime gap
167 kWh
03
Full specification
Parameter
485W
490W
Difference
Power and efficiency
Rated power
485 Wp
490 Wp
Effectively the same
Module efficiency
23.80 %
24.00 %
+0.20 pp for 490W
Power density
237.6 Wp/m²
240.1 Wp/m²
Effectively the same
Open-circuit voltage
40.64 V
40.75 V
Effectively the same
Voltage at max power
33.62 V
33.73 V
Effectively the same
Short-circuit current
15.08 A
15.18 A
Effectively the same
Current at max power
14.43 A
14.53 A
Effectively the same
Temperature
Temperature coefficient
-
-
Neither datasheet publishes this
Mechanical
Dimensions
1800x1134x30 mm
1800x1134x30 mm
Same
Module area
2.041 m²
2.041 m²
Same
Weight
25.0 kg
25.0 kg
Same
Weight per kWp
51.5 kg/kWp
51.0 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
Back Contact
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
108
108
Same
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#433
vs
#303
490W leads by 130 places
Power density
#495
vs
#313
490W leads by 182 places
Heat behaviour
#13,924
vs
#13,924
Tied - the same position in the database
Weight
#4,932
vs
#4,360
490W leads by 572 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#2,555
vs
#2,188
490W leads by 367 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Solar-Fabrik Mono S4 Halfcut BC Series White 485W or Solar-Fabrik Mono S4 Halfcut BC Series White 490W?
According to our database: Solar-Fabrik Mono S4 Halfcut BC Series White 490 W has higher module efficiency (24.00% vs 23.80%). 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 Series White 485W and Solar-Fabrik Mono S4 Halfcut BC Series White 490W?
Solar-Fabrik Mono S4 Halfcut BC Series White 485 W has a module efficiency of 23.80%, while Solar-Fabrik Mono S4 Halfcut BC Series White 490 W is 24.00%. 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 Series White 485W use vs Solar-Fabrik Mono S4 Halfcut BC Series White 490W?
Solar-Fabrik Mono S4 Halfcut BC Series White 485 W uses Back Contact cells; Solar-Fabrik Mono S4 Halfcut BC Series White 490 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 BC Series White 485W and Solar-Fabrik Mono S4 Halfcut BC Series White 490W?
Solar-Fabrik Mono S4 Halfcut BC Series White 485 W has a 30 years power warranty; Solar-Fabrik Mono S4 Halfcut BC Series White 490 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 Series White 485W and Solar-Fabrik Mono S4 Halfcut BC Series White 490W bifacial panels?
Both Solar-Fabrik Mono S4 Halfcut BC Series White 485 W and Solar-Fabrik Mono S4 Halfcut BC Series White 490 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 19 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.