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ME-132BD-660 vs MD-144BS-545W 7 of 18 identical Swap Change panels

AE Solar ME-132BD-660 vs AE Solar MD-144BS-545W

AE Solar ME-132BD-660
ME-132BD-660
660 Wp 21.27 % PERC Bifacial Incomplete
Open panel page Datasheet PDF
VS
AE Solar MD-144BS-545W
MD-144BS-545W
545 Wp 21.12 % PERC Bifacial
Open panel page Datasheet PDF
The verdict

11 differences, and they point both ways

The largest is rated power: 115 W more power. 7 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See all 11 differences
How alike are they
7 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

11 of 18 parameters
Parameter ME-132BD-660 MD-144BS-545W Difference
Rated power 660 Wp 545 Wp 115 W more power
Weight 37.0 kg 26.5 kg 10.5 kg lighter
Weight per kWp 56.1 kg/kWp 48.6 kg/kWp 7.4 kg/kWp lighter
Open-circuit voltage 45.90 V 50.01 V 4.11 V apart
Short-circuit current 18.43 A 13.62 A 4.81 A apart
Module area 3.103 m² 2.581 m² 0.522 m² apart
Temperature coefficient -0.340 %/°C -0.350 %/°C 0.010 %/°C better in heat
Voltage at max power 37.80 V 42.38 V 4.58 V apart
Current at max power 17.46 A 12.86 A 4.60 A apart
Cell count 132 144 12 cells apart
Dimensions 2383x1302x30 mm 2278x1133x30 mm 2383x1302x30 mm vs 2278x1133x30 mm
02

What it means on a roof

Thirty years of production
Declared first-year losses, with 0.40% a year afterwards assumed for both panels, at 1,200 kWh/kWp a year
ME-132BD-660
21,788 kWh
MD-144BS-545W
17,992 kWh
Lifetime gap
3,796 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario ME-132BD-660 MD-144BS-545W
Standard test conditions 25 °C 100.0% of rated power 660 W 545 W
Cool, bright day 40 °C 94.8% of rated power 626 W 516 W
Typical summer roof 55 °C 89.5% of rated power 593 W 488 W
Hot roof 70 °C 84.2% of rated power 559 W 459 W
03

Full specification

Parameter ME-132BD-660 MD-144BS-545W Difference
Power and efficiency
Rated power 660 Wp 545 Wp +115 W for ME-132BD-660
Module efficiency 21.27 % 21.12 % Effectively the same
Power density 212.7 Wp/m² 211.2 Wp/m² Effectively the same
Open-circuit voltage 45.90 V 50.01 V 4.11 V apart
Voltage at max power 37.80 V 42.38 V 4.58 V apart
Short-circuit current 18.43 A 13.62 A 4.81 A apart
Current at max power 17.46 A 12.86 A 4.60 A apart
Temperature
Temperature coefficient -0.340 %/°C -0.350 %/°C +0.010 %/°C for ME-132BD-660
Mechanical
Dimensions 2383x1302x30 mm 2278x1133x30 mm 2383x1302x30 mm vs 2278x1133x30 mm
Module area 3.103 m² 2.581 m² 0.522 m² apart
Weight 37.0 kg 26.5 kg -10.5 kg for MD-144BS-545W
Weight per kWp 56.1 kg/kWp 48.6 kg/kWp -7.4 kg/kWp for MD-144BS-545W
Warranty and degradation
Product warranty 15 yrs 15 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - 0.55 %/yr Not published by AE Solar
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 144 12 cells apart
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#8,849 vs #9,255
ME-132BD-660 leads by 406 places
Power density
#8,718 vs #9,256
ME-132BD-660 leads by 538 places
Heat behaviour
#8,778 vs #10,419
ME-132BD-660 leads by 1,641 places
Weight
#10,362 vs #2,373
MD-144BS-545W leads by 7,989 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#2,544 vs #6,577
ME-132BD-660 leads by 4,033 places
05

More useful comparisons

Open the full database
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar AE ME-132BD-660
One difference: product warranty
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar ME-132BD-655
The same specification on paper
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar AE ME-132BD-655
One difference: product warranty
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar ME-132BD-650
3 differences, the largest is module efficiency
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar AE ME-132BD-650
4 differences, the largest is product warranty
Same series, other bin
AE Solar ME-132BD-660 vs AE Solar ME-132BD-645
3 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: AE Solar ME-132BD-660 or AE Solar MD-144BS-545W?
According to our database: AE Solar ME-132BD-660 has higher module efficiency (21.27% vs 21.12%); AE Solar ME-132BD-660 tolerates heat better (temp coeff -0.340%/°C vs -0.350%/°C). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of AE Solar ME-132BD-660 and AE Solar MD-144BS-545W?
AE Solar ME-132BD-660 has a module efficiency of 21.27%, while AE Solar MD-144BS-545 W is 21.12%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AE Solar ME-132BD-660 use vs AE Solar MD-144BS-545W?
AE Solar ME-132BD-660 uses PERC cells; AE Solar MD-144BS-545 W 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 AE Solar ME-132BD-660 and AE Solar MD-144BS-545W?
AE Solar ME-132BD-660 has a 30 years power warranty; AE Solar MD-144BS-545 W 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 ME-132BD-660 and AE Solar MD-144BS-545W bifacial panels?
Both AE Solar ME-132BD-660 and AE Solar MD-144BS-545 W 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 5 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.