Canadian Solar CS7L-610MB-AG vs Canadian Solar CS7N-640MB-AG
VS
The verdict
CS7L-610MB-AG leads on the differences that matter
The largest is module efficiency: 1.00 pp more efficient. 9 of 19 comparable parameters are identical.
See all 10 differencesHow alike are they
9
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
10 of 19 parameters
What actually differs
Parameter
CS7L-610MB-AG
CS7N-640MB-AG
Difference
Module efficiency
21.60 %
20.60 %
1.00 pp more efficient
Power density
215.5 Wp/m²
206.0 Wp/m²
9.5 Wp/m² higher
Rated power
610 Wp
640 Wp
30 W more power
Weight
34.5 kg
37.9 kg
3.4 kg lighter
Module area
2.830 m²
3.106 m²
0.276 m² apart
Open-circuit voltage
41.70 V
44.60 V
2.90 V apart
Cell count
120
132
12 cells apart
Weight per kWp
56.6 kg/kWp
59.2 kg/kWp
2.7 kg/kWp lighter
Voltage at max power
35.30 V
37.50 V
2.20 V apart
Dimensions
2172x1303x33 mm
2384x1303x35 mm
2172x1303x33 mm vs 2384x1303x35 mm
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 (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
CS7L-610MB-AG
20,088 kWh
CS7N-640MB-AG
21,076 kWh
Lifetime gap
988 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
CS7L-610MB-AG
CS7N-640MB-AG
Standard test conditions
25 °C
100.0% of rated power
610 W
640 W
Cool, bright day
40 °C
94.9% of rated power
579 W
607 W
Typical summer roof
55 °C
89.8% of rated power
548 W
575 W
Hot roof
70 °C
84.7% of rated power
517 W
542 W
03
Full specification
Parameter
CS7L-610MB-AG
CS7N-640MB-AG
Difference
Power and efficiency
Rated power
610 Wp
640 Wp
+30 W for CS7N-640MB-AG
Module efficiency
21.60 %
20.60 %
+1.00 pp for CS7L-610MB-AG
Power density
215.5 Wp/m²
206.0 Wp/m²
+9.5 Wp/m² for CS7L-610MB-AG
Open-circuit voltage
41.70 V
44.60 V
2.90 V apart
Voltage at max power
35.30 V
37.50 V
2.20 V apart
Short-circuit current
18.57 A
18.31 A
Effectively the same
Current at max power
17.29 A
17.07 A
Effectively the same
Temperature
Temperature coefficient
-0.340 %/°C
-0.340 %/°C
Same
Mechanical
Dimensions
2172x1303x33 mm
2384x1303x35 mm
2172x1303x33 mm vs 2384x1303x35 mm
Module area
2.830 m²
3.106 m²
0.276 m² apart
Weight
34.5 kg
37.9 kg
-3.4 kg for CS7L-610MB-AG
Weight per kWp
56.6 kg/kWp
59.2 kg/kWp
-2.7 kg/kWp for CS7L-610MB-AG
Warranty and degradation
Product warranty
12 yrs
12 yrs
Same
Performance warranty
30 yrs
30 yrs
Same
Annual degradation
0.45 %/yr
0.45 %/yr
Same
Technology
Cell technology
PERC
PERC
Same
Cell type
Monocrystalline
Monocrystalline
Same
Cell count
120
132
12 cells apart
Bifacial
Yes
Yes
Same
04
14,005 panels
Against the whole database
Efficiency
#7,652
vs
#11,093
CS7L-610MB-AG leads by 3,441 places
Power density
#7,727
vs
#11,100
CS7L-610MB-AG leads by 3,373 places
Heat behaviour
#8,778
vs
#8,778
Tied - the same position in the database
Weight
#10,713
vs
#12,053
CS7L-610MB-AG leads by 1,340 places
Warranty
#21
vs
#21
Tied - the same position in the database
Overall
#4,491
vs
#4,656
CS7L-610MB-AG leads by 165 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: Canadian Solar CS7L-610MB-AG or Canadian Solar CS7N-640MB-AG?
According to our database: Canadian Solar CS7L-610MB-AG has higher module efficiency (21.60% vs 20.60%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Canadian Solar CS7L-610MB-AG and Canadian Solar CS7N-640MB-AG?
Canadian Solar CS7L-610MB-AG has a module efficiency of 21.60%, while Canadian Solar CS7N-640MB-AG is 20.60%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Canadian Solar CS7L-610MB-AG use vs Canadian Solar CS7N-640MB-AG?
Canadian Solar CS7L-610MB-AG uses PERC cells; Canadian Solar CS7N-640MB-AG 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 Canadian Solar CS7L-610MB-AG and Canadian Solar CS7N-640MB-AG?
Canadian Solar CS7L-610MB-AG has a 30 years power warranty; Canadian Solar CS7N-640MB-AG 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 Canadian Solar CS7L-610MB-AG and Canadian Solar CS7N-640MB-AG bifacial panels?
Both Canadian Solar CS7L-610MB-AG and Canadian Solar CS7N-640MB-AG 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 38 Canadian Solar 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.