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720NBG-E1 vs 710NBG-E1 16 of 19 identical Swap Change panels

Renesola RS9-720NBG-E1 vs Renesola RS9-710NBG-E1

Renesola
RS9-720NBG-E1
720 Wp 23.18 % N-type Bifacial
Open panel page Datasheet PDF
VS
Renesola
RS9-710NBG-E1
710 Wp 22.86 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

720NBG-E1 leads on the differences that matter

The largest is module efficiency: 0.32 pp more efficient. 16 of 19 comparable parameters are identical.

See all 3 differences
How alike are they
16 of 19 comparable
parameters are identical
identical differs
01

What actually differs

3 of 19 parameters
Parameter 720NBG-E1 710NBG-E1 Difference
Module efficiency 23.18 % 22.86 % 0.32 pp more efficient
Power density 231.8 Wp/m² 228.6 Wp/m² 3.2 Wp/m² higher
Rated power 720 Wp 710 Wp 10 W more power
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 (-0.290 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
720NBG-E1
24,157 kWh
710NBG-E1
23,822 kWh
Lifetime gap
335 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 720NBG-E1 710NBG-E1
Standard test conditions 25 °C 100.0% of rated power 720 W 710 W
Cool, bright day 40 °C 95.7% of rated power 689 W 679 W
Typical summer roof 55 °C 91.3% of rated power 657 W 648 W
Hot roof 70 °C 87.0% of rated power 626 W 617 W
03

Full specification

Parameter 720NBG-E1 710NBG-E1 Difference
Power and efficiency
Rated power 720 Wp 710 Wp +10 W for 720NBG-E1
Module efficiency 23.18 % 22.86 % +0.32 pp for 720NBG-E1
Power density 231.8 Wp/m² 228.6 Wp/m² +3.2 Wp/m² for 720NBG-E1
Open-circuit voltage 49.40 V 49.00 V Effectively the same
Voltage at max power 41.30 V 40.90 V Effectively the same
Short-circuit current 18.49 A 18.40 A Effectively the same
Current at max power 17.44 A 17.36 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 2384x1303x33 mm 2384x1303x33 mm Same
Module area 3.106 m² 3.106 m² Same
Weight 38.7 kg 38.7 kg Same
Weight per kWp 53.8 kg/kWp 54.5 kg/kWp Effectively the same
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#1,424 vs #2,536
720NBG-E1 leads by 1,112 places
Power density
#1,347 vs #2,474
720NBG-E1 leads by 1,127 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#7,805 vs #8,842
720NBG-E1 leads by 1,037 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#362 vs #618
720NBG-E1 leads by 256 places
05

More useful comparisons

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06

Written summary

07

Questions about this pairing

Which panel is better: Renesola RS9-720NBG-E1 or Renesola RS9-710NBG-E1?
According to our database: Renesola RS9-720NBG-E1 has higher module efficiency (23.18% vs 22.86%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Renesola RS9-720NBG-E1 and Renesola RS9-710NBG-E1?
Renesola RS9-720NBG-E1 has a module efficiency of 23.18%, while Renesola RS9-710NBG-E1 is 22.86%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Renesola RS9-720NBG-E1 use vs Renesola RS9-710NBG-E1?
Renesola RS9-720NBG-E1 uses N-type cells; Renesola RS9-710NBG-E1 uses N-type. 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 Renesola RS9-720NBG-E1 and Renesola RS9-710NBG-E1?
Renesola RS9-720NBG-E1 has a 30 years power warranty; Renesola RS9-710NBG-E1 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 Renesola RS9-720NBG-E1 and Renesola RS9-710NBG-E1 bifacial panels?
Both Renesola RS9-720NBG-E1 and Renesola RS9-710NBG-E1 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 1 Renesola offer

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.