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AE CMD-108BDS-435 vs AE440CMD-108BDE 15 of 19 identical Swap Change panels

AE Solar AE CMD-108BDS-435 vs AE Solar AE440CMD-108BDE

AE Solar AE CMD-108BDS-435
AE CMD-108BDS-435
435 Wp 22.31 % TOPCon Bifacial
Open panel page Datasheet PDF
VS
AE Solar AE440CMD-108BDE
AE440CMD-108BDE
440 Wp 22.57 % TOPCon Bifacial
Open panel page Datasheet PDF
The verdict

AE440CMD-108BDE leads on the differences that matter

The largest is weight: 4.0 kg lighter. 15 of 19 comparable parameters are identical.

See all 4 differences
How alike are they
15 of 19 comparable
parameters are identical
identical differs
01

What actually differs

4 of 19 parameters
Parameter AE CMD-108BDS-435 AE440CMD-108BDE Difference
Weight 23.5 kg 19.5 kg 4.0 kg lighter
Weight per kWp 54.0 kg/kWp 44.3 kg/kWp 9.7 kg/kWp lighter
Product warranty 30 yrs 15 yrs 15 yrs longer
Module efficiency 22.31 % 22.57 % 0.26 pp more efficient
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.
AE CMD-108BDS-435
14,595 kWh
AE440CMD-108BDE
14,763 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario AE CMD-108BDS-435 AE440CMD-108BDE
Standard test conditions 25 °C 100.0% of rated power 435 W 440 W
Cool, bright day 40 °C 95.7% of rated power 416 W 421 W
Typical summer roof 55 °C 91.3% of rated power 397 W 402 W
Hot roof 70 °C 87.0% of rated power 378 W 383 W
03

Full specification

Parameter AE CMD-108BDS-435 AE440CMD-108BDE Difference
Power and efficiency
Rated power 435 Wp 440 Wp Effectively the same
Module efficiency 22.31 % 22.57 % +0.26 pp for AE440CMD-108BDE
Power density 223.1 Wp/m² 225.7 Wp/m² Effectively the same
Open-circuit voltage 38.46 V 38.95 V Effectively the same
Voltage at max power 32.64 V 33.01 V Effectively the same
Short-circuit current 14.23 A 14.12 A Effectively the same
Current at max power 13.33 A 13.33 A Same
Temperature
Temperature coefficient -0.290 %/°C -0.290 %/°C Same
Mechanical
Dimensions 1721x1133x30 mm 1721x1133x30 mm Same
Module area 1.950 m² 1.950 m² Same
Weight 23.5 kg 19.5 kg -4.0 kg for AE440CMD-108BDE
Weight per kWp 54.0 kg/kWp 44.3 kg/kWp -9.7 kg/kWp for AE440CMD-108BDE
Warranty and degradation
Product warranty 30 yrs 15 yrs +15 yrs for AE CMD-108BDS-435
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 108 108 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#5,082 vs #3,882
AE440CMD-108BDE leads by 1,200 places
Power density
#5,070 vs #3,848
AE440CMD-108BDE leads by 1,222 places
Heat behaviour
#2,165 vs #2,165
Tied - the same position in the database
Weight
#8,229 vs #422
AE440CMD-108BDE leads by 7,807 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#5,914 vs #8,577
AE CMD-108BDS-435 leads by 2,663 places
05

More useful comparisons

Open the full database
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar CMD-108BDS-440W
One difference: module efficiency
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar AE CMD-108BDS-440
One difference: module efficiency
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar AExxxCMD-108BDE
4 differences, the largest is product warranty
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar CMD-108BDS-435W
The same specification on paper
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar CMD-108BDE-435W
The same specification on paper
Same series, other bin
AE Solar AE CMD-108BDS-435 vs AE Solar AE CMD-108BDE-435
The same specification on paper
06

Written summary

07

Questions about this pairing

Which panel is better: AE Solar AE CMD-108BDS-435 or AE Solar AE440CMD-108BDE?
According to our database: AE Solar AE440CMD-108BDE has higher module efficiency (22.57% vs 22.31%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of AE Solar AE CMD-108BDS-435 and AE Solar AE440CMD-108BDE?
AE Solar AE CMD-108BDS-435 has a module efficiency of 22.31%, while AE Solar AE440CMD-108BDE is 22.57%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AE Solar AE CMD-108BDS-435 use vs AE Solar AE440CMD-108BDE?
AE Solar AE CMD-108BDS-435 uses TOPCon cells; AE Solar AE440CMD-108BDE 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 AE Solar AE CMD-108BDS-435 and AE Solar AE440CMD-108BDE?
AE Solar AE CMD-108BDS-435 has a 30 years power warranty; AE Solar AE440CMD-108BDE 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 AE Solar AE CMD-108BDS-435 and AE Solar AE440CMD-108BDE bifacial panels?
Both AE Solar AE CMD-108BDS-435 and AE Solar AE440CMD-108BDE 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 4 AE 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.