735 vs 730 17 of 18 identical Swap Change panels

Sunplus 735 vs Sunplus 730

Q: Which panel is better: Sunplus 735 or Sunplus 730?

According to our database: Sunplus 735 has higher module efficiency (23.70% vs 23.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.

Q: What is the efficiency of Sunplus 735 and Sunplus 730?

Sunplus 735 has a module efficiency of 23.70%, while Sunplus 730 is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Sunplus 735 use vs Sunplus 730?

Sunplus 735 uses HJT cells; Sunplus 730 uses HJT. 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 Sunplus 735 and Sunplus 730?

Sunplus 735 has a 30 years power warranty; Sunplus 730 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.

Q: Are Sunplus 735 and Sunplus 730 bifacial panels?

Both Sunplus 735 and Sunplus 730 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.

Sunplus

735

735 Wp 23.70 % HJT Bifacial

Open panel page Datasheet PDF

Sunplus

730

730 Wp 23.50 % HJT Bifacial

Open panel page Datasheet PDF

The verdict

735 leads on the differences that matter

The largest is module efficiency: 0.20 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

What actually differs

1 of 18 parameters

Parameter 735 730 Difference

Module efficiency 23.70 % 23.50 % 0.20 pp more efficient

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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.

735

25,006 kWh

730

24,836 kWh

Lifetime gap

170 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario 735 730

Standard test conditions 25 °C 100.0% of rated power 735 W 730 W

Cool, bright day 40 °C 95.5% of rated power 702 W 697 W

Typical summer roof 55 °C 91.0% of rated power 669 W 664 W

Hot roof 70 °C 86.5% of rated power 636 W 631 W

Full specification

Parameter 735 730 Difference

Power and efficiency

Rated power 735 Wp 730 Wp Effectively the same

Module efficiency 23.70 % 23.50 % +0.20 pp for 735

Power density 236.6 Wp/m² 235.0 Wp/m² Effectively the same

Open-circuit voltage 51.01 V 50.99 V Effectively the same

Voltage at max power 43.71 V 43.68 V Effectively the same

Short-circuit current 17.68 A 17.66 A Effectively the same

Current at max power 16.72 A 16.67 A Effectively the same

Temperature

Temperature coefficient -0.300 %/°C -0.300 %/°C Same

Mechanical

Dimensions 2384x1303x35 mm 2384x1303x35 mm Same

Module area 3.106 m² 3.106 m² Same

Weight 39.0 kg 39.0 kg Same

Weight per kWp 53.1 kg/kWp 53.4 kg/kWp Effectively the same

Warranty and degradation

Product warranty - - Neither datasheet publishes this

Performance warranty 30 yrs 30 yrs Same

Annual degradation 0.31 %/yr 0.31 %/yr Same

Technology

Cell technology HJT HJT Same

Cell type Monocrystalline Monocrystalline Same

Cell count 156 156 Same

Bifacial Yes Yes Same

Against the whole database

14,005 panels

Efficiency

#517 vs #716

735 leads by 199 places

Power density

#582 vs #800

735 leads by 218 places

Heat behaviour

#6,093 vs #6,093

Tied - the same position in the database

Weight

#6,818 vs #7,348

735 leads by 530 places

Warranty

#21 vs #21

Tied - the same position in the database

Overall

#1,146 vs #1,335

735 leads by 189 places

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Written summary

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Questions about this pairing

Which panel is better: Sunplus 735 or Sunplus 730?

According to our database: Sunplus 735 has higher module efficiency (23.70% vs 23.50%). See the full spec comparison and 30-year energy simulation above for a complete picture.

What is the efficiency of Sunplus 735 and Sunplus 730?

Sunplus 735 has a module efficiency of 23.70%, while Sunplus 730 is 23.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

What cell technology does Sunplus 735 use vs Sunplus 730?

Sunplus 735 uses HJT cells; Sunplus 730 uses HJT. 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 Sunplus 735 and Sunplus 730?

Sunplus 735 has a 30 years power warranty; Sunplus 730 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 Sunplus 735 and Sunplus 730 bifacial panels?

Both Sunplus 735 and Sunplus 730 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 7 Sunplus 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.