Renesola RS7-625N-E2 vs Renesola RS7-635N-E2
VS
The verdict
635N-E2 leads on the differences that matter
The largest is module efficiency: 0.36 pp more efficient. 16 of 19 comparable parameters are identical.
See all 3 differencesHow alike are they
16
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
3 of 19 parameters
What actually differs
Parameter
625N-E2
635N-E2
Difference
Module efficiency
22.36 %
22.72 %
0.36 pp more efficient
Power density
223.6 Wp/m²
227.2 Wp/m²
3.6 Wp/m² higher
Rated power
625 Wp
635 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.
625N-E2
20,970 kWh
635N-E2
21,306 kWh
Lifetime gap
336 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
625N-E2
635N-E2
Standard test conditions
25 °C
100.0% of rated power
625 W
635 W
Cool, bright day
40 °C
95.7% of rated power
598 W
607 W
Typical summer roof
55 °C
91.3% of rated power
571 W
580 W
Hot roof
70 °C
87.0% of rated power
543 W
552 W
03
Full specification
Parameter
625N-E2
635N-E2
Difference
Power and efficiency
Rated power
625 Wp
635 Wp
+10 W for 635N-E2
Module efficiency
22.36 %
22.72 %
+0.36 pp for 635N-E2
Power density
223.6 Wp/m²
227.2 Wp/m²
+3.6 Wp/m² for 635N-E2
Open-circuit voltage
56.95 V
57.25 V
Effectively the same
Voltage at max power
47.14 V
47.46 V
Effectively the same
Short-circuit current
13.92 A
14.04 A
Effectively the same
Current at max power
13.26 A
13.38 A
Effectively the same
Temperature
Temperature coefficient
-0.290 %/°C
-0.290 %/°C
Same
Mechanical
Dimensions
2465x1134x30 mm
2465x1134x30 mm
Same
Module area
2.795 m²
2.795 m²
Same
Weight
30.0 kg
30.0 kg
Same
Weight per kWp
48.0 kg/kWp
47.2 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
156
156
Same
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#5,007
vs
#3,245
635N-E2 leads by 1,762 places
Power density
#4,955
vs
#3,252
635N-E2 leads by 1,703 places
Heat behaviour
#2,165
vs
#2,165
Tied - the same position in the database
Weight
#2,004
vs
#1,596
635N-E2 leads by 408 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#2,440
vs
#1,866
635N-E2 leads by 574 places
05
Open the full database
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06
Written summary
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07
Questions about this pairing
Which panel is better: Renesola RS7-625N-E2 or Renesola RS7-635N-E2?
According to our database: Renesola RS7-635N-E2 has higher module efficiency (22.72% vs 22.36%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Renesola RS7-625N-E2 and Renesola RS7-635N-E2?
Renesola RS7-625N-E2 has a module efficiency of 22.36%, while Renesola RS7-635N-E2 is 22.72%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Renesola RS7-625N-E2 use vs Renesola RS7-635N-E2?
Renesola RS7-625N-E2 uses N-type cells; Renesola RS7-635N-E2 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 RS7-625N-E2 and Renesola RS7-635N-E2?
Renesola RS7-625N-E2 has a 30 years power warranty; Renesola RS7-635N-E2 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.
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.