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M690N66UB-SF-F7 vs M685~705N66UB-SF-F7-690 19 of 19 identical Swap Change panels

LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M685~705N66UB-SF-F7-690

LEDVANCE M690N66UB-SF-F7
LEDVANCE
M690N66UB-SF-F7
690 Wp 22.21 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
LEDVANCE M685~705N66UB-SF-F7-690
LEDVANCE
M685~705N66UB-SF-F7-690
690 Wp 22.21 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

Identical on every published parameter

All 19 comparable parameters agree. Two records this alike are usually one panel sold under two names, or two bins of the same production line - decide on price and on who you would rather buy from.

How alike are they
19 of 19 comparable
parameters are identical
identical differs
01

What actually differs

0 of 19 parameters

Every comparable parameter agrees. The full specification is below.

02

What it means on a roof

Thirty years of production
Declared annual degradation, with a 1.0% first-year loss assumed for both panels because at least one datasheet omits it, at 1,200 kWh/kWp a year
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.
M690N66UB-SF-F7
23,151 kWh
M685~705N66UB-SF-F7-690
23,151 kWh
Lifetime gap
No difference
Output when it is hot
Rated power carried across the range a module actually sees
Scenario M690N66UB-SF-F7 M685~705N66UB-SF-F7-690
Standard test conditions 25 °C 100.0% of rated power 690 W 690 W
Cool, bright day 40 °C 95.5% of rated power 659 W 659 W
Typical summer roof 55 °C 91.0% of rated power 628 W 628 W
Hot roof 70 °C 86.5% of rated power 597 W 597 W
03

Full specification

Parameter M690N66UB-SF-F7 M685~705N66UB-SF-F7-690 Difference
Power and efficiency
Rated power 690 Wp 690 Wp Same
Module efficiency 22.21 % 22.21 % Same
Power density 222.1 Wp/m² 222.1 Wp/m² Same
Open-circuit voltage 47.80 V 47.80 V Same
Voltage at max power 40.10 V 40.10 V Same
Short-circuit current 18.24 A 18.24 A Same
Current at max power 17.21 A 17.21 A 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 34.5 kg 34.5 kg Same
Weight per kWp 50.0 kg/kWp 50.0 kg/kWp Same
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.40 %/yr 0.40 %/yr Same
Technology
Cell technology TOPCon TOPCon Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 132 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,754 vs #5,754
Tied - the same position in the database
Power density
#5,734 vs #5,734
Tied - the same position in the database
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#3,575 vs #3,575
Tied - the same position in the database
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#370 vs #370
Tied - the same position in the database
05

More useful comparisons

Open the full database
Same series, other bin
LEDVANCE
LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M685~705N66UB-SF-F7-705
3 differences, the largest is module efficiency
Same series, other bin
LEDVANCE
LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M705N66UB-SF-F7
3 differences, the largest is module efficiency
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LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M685~705N66UB-SF-F7-700
3 differences, the largest is module efficiency
Same series, other bin
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LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M700N66UB-SF-F7
3 differences, the largest is module efficiency
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LEDVANCE
LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M685~705N66UB-SF-F7-695
The same specification on paper
Same series, other bin
LEDVANCE
LEDVANCE M690N66UB-SF-F7 vs LEDVANCE M695N66UB-SF-F7
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: LEDVANCE M690N66UB-SF-F7 or LEDVANCE M685~705N66UB-SF-F7-690?
According to our database: both panels are closely matched on key specs - the decision often comes down to price and local availability. See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of LEDVANCE M690N66UB-SF-F7 and LEDVANCE M685~705N66UB-SF-F7-690?
LEDVANCE M690N66UB-SF-F7 has a module efficiency of 22.21%, while LEDVANCE M685~705N66UB-SF-F7-690 is 22.21%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does LEDVANCE M690N66UB-SF-F7 use vs LEDVANCE M685~705N66UB-SF-F7-690?
LEDVANCE M690N66UB-SF-F7 uses TOPCon cells; LEDVANCE M685~705N66UB-SF-F7-690 uses TOPCon. 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 LEDVANCE M690N66UB-SF-F7 and LEDVANCE M685~705N66UB-SF-F7-690?
LEDVANCE M690N66UB-SF-F7 has a 30 years power warranty; LEDVANCE M685~705N66UB-SF-F7-690 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 LEDVANCE M690N66UB-SF-F7 and LEDVANCE M685~705N66UB-SF-F7-690 bifacial panels?
Both LEDVANCE M690N66UB-SF-F7 and LEDVANCE M685~705N66UB-SF-F7-690 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.

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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.