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520 vs 525 18 of 19 identical Swap Change panels

Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD108N-R2-525

Jolywood
JW-HD108N-R2-520
520 Wp 23.40 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
Jolywood
JW-HD108N-R2-525
525 Wp 23.60 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

525 leads on the differences that matter

The largest is module efficiency: 0.20 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 520 525 Difference
Module efficiency 23.40 % 23.60 % 0.20 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 (-0.280 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
520
17,447 kWh
525
17,615 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 520 525
Standard test conditions 25 °C 100.0% of rated power 520 W 525 W
Cool, bright day 40 °C 95.8% of rated power 498 W 503 W
Typical summer roof 55 °C 91.6% of rated power 476 W 481 W
Hot roof 70 °C 87.4% of rated power 454 W 459 W
03

Full specification

Parameter 520 525 Difference
Power and efficiency
Rated power 520 Wp 525 Wp Effectively the same
Module efficiency 23.40 % 23.60 % +0.20 pp for 525
Power density 234.0 Wp/m² 236.2 Wp/m² Effectively the same
Open-circuit voltage 39.83 V 40.03 V Effectively the same
Voltage at max power 34.22 V 34.40 V Effectively the same
Short-circuit current 16.02 A 16.08 A Effectively the same
Current at max power 15.19 A 15.26 A Effectively the same
Temperature
Temperature coefficient -0.280 %/°C -0.280 %/°C Same
Mechanical
Dimensions 1960x1134x30 mm 1960x1134x30 mm Same
Module area 2.223 m² 2.223 m² Same
Weight 27.3 kg 27.3 kg Same
Weight per kWp 52.5 kg/kWp 52.0 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

14,005 panels
Efficiency
#882 vs #627
525 leads by 255 places
Power density
#898 vs #614
525 leads by 284 places
Heat behaviour
#1,309 vs #1,309
Tied - the same position in the database
Weight
#6,043 vs #5,417
525 leads by 626 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,797 vs #2,443
525 leads by 354 places
05

More useful comparisons

Open the full database
Same series, other bin
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD108N-R2-515
One difference: module efficiency
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD108N-R2-510
3 differences, the largest is module efficiency
Same series, other bin
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD108N-R2-505
3 differences, the largest is module efficiency
Same series, other bin
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD108N-R2-500
4 differences, the largest is module efficiency
Same manufacturer
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD132N-715W
12 differences, the largest is rated power
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Jolywood JW-HD108N-R2-520 vs Jolywood JW-HD132N-715
12 differences, the largest is rated power
06

Written summary

07

Questions about this pairing

Which panel is better: Jolywood JW-HD108N-R2-520 or Jolywood JW-HD108N-R2-525?
According to our database: Jolywood JW-HD108N-R2-525 has higher module efficiency (23.60% vs 23.40%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Jolywood JW-HD108N-R2-520 and Jolywood JW-HD108N-R2-525?
Jolywood JW-HD108N-R2-520 has a module efficiency of 23.40%, while Jolywood JW-HD108N-R2-525 is 23.60%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Jolywood JW-HD108N-R2-520 use vs Jolywood JW-HD108N-R2-525?
Jolywood JW-HD108N-R2-520 uses TOPCon cells; Jolywood JW-HD108N-R2-525 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-R2-520 and Jolywood JW-HD108N-R2-525?
Jolywood JW-HD108N-R2-520 has a 30 years power warranty; Jolywood JW-HD108N-R2-525 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-R2-520 and Jolywood JW-HD108N-R2-525 bifacial panels?
Both Jolywood JW-HD108N-R2-520 and Jolywood JW-HD108N-R2-525 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 42 Jolywood 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.