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480NBG-E1 vs 485NBG-E1 17 of 19 identical Swap Change panels

Renesola RS4-480NBG-E1 vs Renesola RS4-485NBG-E1

Renesola
RS4-480NBG-E1
480 Wp 22.24 % N-type Bifacial
Open panel page Datasheet PDF
VS
Renesola
RS4-485NBG-E1
485 Wp 22.47 % N-type Bifacial
Open panel page Datasheet PDF
The verdict

485NBG-E1 leads on the differences that matter

The largest is module efficiency: 0.23 pp more efficient. 17 of 19 comparable parameters are identical.

See all 2 differences
How alike are they
17 of 19 comparable
parameters are identical
identical differs
01

What actually differs

2 of 19 parameters
Parameter 480NBG-E1 485NBG-E1 Difference
Module efficiency 22.24 % 22.47 % 0.23 pp more efficient
Open-circuit voltage 43.38 V 44.58 V 1.20 V apart
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.
480NBG-E1
16,105 kWh
485NBG-E1
16,273 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 480NBG-E1 485NBG-E1
Standard test conditions 25 °C 100.0% of rated power 480 W 485 W
Cool, bright day 40 °C 95.7% of rated power 459 W 464 W
Typical summer roof 55 °C 91.3% of rated power 438 W 443 W
Hot roof 70 °C 87.0% of rated power 417 W 422 W
03

Full specification

Parameter 480NBG-E1 485NBG-E1 Difference
Power and efficiency
Rated power 480 Wp 485 Wp Effectively the same
Module efficiency 22.24 % 22.47 % +0.23 pp for 485NBG-E1
Power density 222.4 Wp/m² 224.7 Wp/m² Effectively the same
Open-circuit voltage 43.38 V 44.58 V 1.20 V apart
Voltage at max power 36.45 V 36.63 V Effectively the same
Short-circuit current 13.69 A 13.77 A Effectively the same
Current at max power 13.17 A 13.24 A Effectively the same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1903x1134x30 mm 1903x1134x30 mm Same
Module area 2.158 m² 2.158 m² Same
Weight 28.0 kg 28.0 kg Same
Weight per kWp 58.3 kg/kWp 57.7 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 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,129 panels
Efficiency
#5,785 vs #4,636
485NBG-E1 leads by 1,149 places
Power density
#5,771 vs #4,561
485NBG-E1 leads by 1,210 places
Heat behaviour
#2,220 vs #2,220
Tied - the same position in the database
Weight
#11,757 vs #11,470
485NBG-E1 leads by 287 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#7,827 vs #7,347
485NBG-E1 leads by 480 places
05

More useful comparisons

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Renesola RS4-480NBG-E1 vs Renesola RS9-710NBG-E1
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06

Written summary

07

Questions about this pairing

Which panel is better: Renesola RS4-480NBG-E1 or Renesola RS4-485NBG-E1?
According to our database: Renesola RS4-485NBG-E1 has higher module efficiency (22.47% vs 22.24%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Renesola RS4-480NBG-E1 and Renesola RS4-485NBG-E1?
Renesola RS4-480NBG-E1 has a module efficiency of 22.24%, while Renesola RS4-485NBG-E1 is 22.47%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Renesola RS4-480NBG-E1 use vs Renesola RS4-485NBG-E1?
Renesola RS4-480NBG-E1 uses N-type cells; Renesola RS4-485NBG-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 RS4-480NBG-E1 and Renesola RS4-485NBG-E1?
Renesola RS4-480NBG-E1 has a 30 years power warranty; Renesola RS4-485NBG-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 RS4-480NBG-E1 and Renesola RS4-485NBG-E1 bifacial panels?
Both Renesola RS4-480NBG-E1 and Renesola RS4-485NBG-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.