S435HG vs S445HG(FB) 15 of 18 identical Swap Change panels

Hyundai HiE-S435HG vs Hyundai HiE-S445HG(FB)

Q: Which panel is better: Hyundai HiE-S435HG or Hyundai HiE-S445HG(FB)?

According to our database: Hyundai HiE-S445HG(FB) has higher module efficiency (21.40% vs 20.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Hyundai HiE-S435HG and Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG has a module efficiency of 20.90%, while Hyundai HiE-S445HG(FB) is 21.40%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Hyundai HiE-S435HG use vs Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG uses PERC cells; Hyundai HiE-S445HG(FB) uses PERC. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Hyundai HiE-S435HG and Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG has a 25 years power warranty; Hyundai HiE-S445HG(FB) has a 25 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.

HiE-S435HG

435 Wp 20.90 % PERC

Open panel page Datasheet PDF

HiE-S445HG(FB)

445 Wp 21.40 % PERC

Open panel page Datasheet PDF

The verdict

S445HG(FB) leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 15 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 3 differences

How alike are they

15 of 18 comparable
parameters are identical

identical differs not published

What actually differs

3 of 18 parameters

Parameter S435HG S445HG(FB) Difference

Module efficiency 20.90 % 21.40 % 0.50 pp more efficient

Power density 209.0 Wp/m² 213.8 Wp/m² 4.8 Wp/m² higher

Rated power 435 Wp 445 Wp 10 W more power

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

Same temp coeff. for both panels (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.

S435HG

14,098 kWh

S445HG(FB)

14,422 kWh

Lifetime gap

324 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario S435HG S445HG(FB)

Standard test conditions 25 °C 100.0% of rated power 435 W 445 W

Cool, bright day 40 °C 94.9% of rated power 413 W 422 W

Typical summer roof 55 °C 89.8% of rated power 391 W 400 W

Hot roof 70 °C 84.7% of rated power 368 W 377 W

Full specification

Parameter S435HG S445HG(FB) Difference

Power and efficiency

Rated power 435 Wp 445 Wp +10 W for S445HG(FB)

Module efficiency 20.90 % 21.40 % +0.50 pp for S445HG(FB)

Power density 209.0 Wp/m² 213.8 Wp/m² +4.8 Wp/m² for S445HG(FB)

Open-circuit voltage 43.60 V 43.80 V Effectively the same

Voltage at max power 36.20 V 36.40 V Effectively the same

Short-circuit current 12.79 A 13.01 A Effectively the same

Current at max power 12.02 A 12.23 A Effectively the same

Temperature

Temperature coefficient -0.340 %/°C -0.340 %/°C Same

Mechanical

Dimensions 1899x1096x30 mm 1899x1096x30 mm Same

Module area 2.081 m² 2.081 m² Same

Weight 21.8 kg 21.8 kg Same

Weight per kWp 50.1 kg/kWp 49.0 kg/kWp Effectively the same

Warranty and degradation

Product warranty 25 yrs 25 yrs Same

Performance warranty 25 yrs 25 yrs Same

Annual degradation 0.55 %/yr 0.55 %/yr Same

Technology

Cell technology PERC PERC Same

Cell type Monocrystalline Monocrystalline Same

Cell count - - Neither datasheet publishes this

Bifacial No No Same

Against the whole database

14,129 panels

Efficiency

#10,148 vs #8,388

S445HG(FB) leads by 1,760 places

Power density

#10,262 vs #8,410

S445HG(FB) leads by 1,852 places

Heat behaviour

#8,846 vs #8,846

Tied - the same position in the database

Weight

#3,628 vs #2,675

S445HG(FB) leads by 953 places

Warranty

#9,912 vs #9,912

Tied - the same position in the database

Overall

#9,722 vs #8,888

S445HG(FB) leads by 834 places

More useful comparisons

Open the full database

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The same specification on paper

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Same manufacturer

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Written summary

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Questions about this pairing

Which panel is better: Hyundai HiE-S435HG or Hyundai HiE-S445HG(FB)?

According to our database: Hyundai HiE-S445HG(FB) has higher module efficiency (21.40% vs 20.90%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of Hyundai HiE-S435HG and Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG has a module efficiency of 20.90%, while Hyundai HiE-S445HG(FB) is 21.40%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Hyundai HiE-S435HG use vs Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG uses PERC cells; Hyundai HiE-S445HG(FB) uses PERC. 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 Hyundai HiE-S435HG and Hyundai HiE-S445HG(FB)?

Hyundai HiE-S435HG has a 25 years power warranty; Hyundai HiE-S445HG(FB) has a 25 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.

Shop prices: See 28 Hyundai 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.