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440 vs 435 18 of 19 identical Swap Change panels

Jolywood JW-HD108N-440 vs Jolywood JW-HD108N-435

Jolywood JW-HD108N-440
Jolywood
JW-HD108N-440
440 Wp 22.53 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Jolywood JW-HD108N-435
Jolywood
JW-HD108N-435
435 Wp 22.27 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

440 leads on the differences that matter

The largest is module efficiency: 0.26 pp more efficient. 18 of 19 comparable parameters are identical.

See the one difference
How alike are they
18 of 19 comparable
parameters are identical
identical differs
01

What actually differs

1 of 19 parameters
Parameter 440 435 Difference
Module efficiency 22.53 % 22.27 % 0.26 pp more efficient
02

What it means on a roof

Thirty years of production
Each panel's own declared degradation curve, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
440
14,763 kWh
435
14,595 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 440 435
Standard test conditions 25 °C 100.0% of rated power 440 W 435 W
Cool, bright day 40 °C 95.5% of rated power 420 W 415 W
Typical summer roof 55 °C 91.0% of rated power 400 W 396 W
Hot roof 70 °C 86.5% of rated power 381 W 376 W
03

Full specification

Parameter 440 435 Difference
Power and efficiency
Rated power 440 Wp 435 Wp Effectively the same
Module efficiency 22.53 % 22.27 % +0.26 pp for 440
Power density 225.3 Wp/m² 222.8 Wp/m² Effectively the same
Open-circuit voltage 38.60 V 38.40 V Effectively the same
Voltage at max power 32.70 V 32.50 V Effectively the same
Short-circuit current 14.25 A 14.18 A Effectively the same
Current at max power 13.46 A 13.39 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1722x1134x30 mm 1722x1134x30 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 24.5 kg 24.5 kg Same
Weight per kWp 55.7 kg/kWp 56.3 kg/kWp Effectively the same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#4,041 vs #5,544
440 leads by 1,503 places
Power density
#4,158 vs #5,212
440 leads by 1,054 places
Heat behaviour
#6,152 vs #6,152
Tied - the same position in the database
Weight
#10,132 vs #10,653
440 leads by 521 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#6,647 vs #7,183
440 leads by 536 places
05

More useful comparisons

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Jolywood JW-HD108N-440 vs Jolywood JW-HD108N-420
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Jolywood JW-HD108N-440 vs Jolywood JW-HD108N-415
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Jolywood JW-HD108N-440 vs Jolywood JW-HD132N-715W
14 differences, the largest is rated power
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Jolywood JW-HD108N-440 vs Jolywood JW-HD132N-715
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06

Written summary

07

Questions about this pairing

Which panel is better: Jolywood JW-HD108N-440 or Jolywood JW-HD108N-435?
According to our database: Jolywood JW-HD108N-440 has higher module efficiency (22.53% vs 22.27%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jolywood JW-HD108N-440 and Jolywood JW-HD108N-435?
Jolywood JW-HD108N-440 has a module efficiency of 22.53%, while Jolywood JW-HD108N-435 is 22.27%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jolywood JW-HD108N-440 use vs Jolywood JW-HD108N-435?
Jolywood JW-HD108N-440 uses TOPCon cells; Jolywood JW-HD108N-435 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 Jolywood JW-HD108N-440 and Jolywood JW-HD108N-435?
Jolywood JW-HD108N-440 has a 30 years power warranty; Jolywood JW-HD108N-435 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 Jolywood JW-HD108N-440 and Jolywood JW-HD108N-435 bifacial panels?
Both Jolywood JW-HD108N-440 and Jolywood JW-HD108N-435 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.