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ME-132BD-655 vs MD-120 460W 5 of 19 identical Swap Change panels

AE Solar AE ME-132BD-655 vs AE Solar AE MD-120 460W

AE Solar AE ME-132BD-655
AE ME-132BD-655
655 Wp 21.11 % PERC Bifacial
Open panel page Datasheet PDF
VS
AE Solar AE MD-120 460W
AE MD-120 460W
460 Wp 21.35 % TOPCon
Open panel page Datasheet PDF
The verdict

14 differences, and they point both ways

The largest is rated power: 195 W more power. 5 of 19 comparable parameters are identical.

See all 14 differences
How alike are they
5 of 19 comparable
parameters are identical
identical differs
01

What actually differs

14 of 19 parameters
Parameter ME-132BD-655 MD-120 460W Difference
Rated power 655 Wp 460 Wp 195 W more power
Weight 37.0 kg 22.5 kg 14.5 kg lighter
Weight per kWp 56.5 kg/kWp 48.9 kg/kWp 7.6 kg/kWp lighter
Short-circuit current 18.38 A 13.67 A 4.71 A apart
Module area 3.103 m² 2.155 m² 0.948 m² apart
Open-circuit voltage 45.70 V 42.60 V 3.10 V apart
Module efficiency 21.11 % 21.35 % 0.24 pp more efficient
Cell technology PERC TOPCon PERC vs TOPCon
Temperature coefficient -0.340 %/°C -0.350 %/°C 0.010 %/°C better in heat
Current at max power 17.42 A 12.92 A 4.50 A apart
Cell count 132 120 12 cells apart
Bifacial Yes No Yes vs No
Voltage at max power 37.60 V 35.60 V 2.00 V apart
Dimensions 2383x1302x30 mm 1902x1133x30 mm 2383x1302x30 mm vs 1902x1133x30 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
ME-132BD-655
21,110 kWh
MD-120 460W
14,825 kWh
Lifetime gap
6,285 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario ME-132BD-655 MD-120 460W
Standard test conditions 25 °C 100.0% of rated power 655 W 460 W
Cool, bright day 40 °C 94.8% of rated power 622 W 436 W
Typical summer roof 55 °C 89.5% of rated power 588 W 412 W
Hot roof 70 °C 84.2% of rated power 555 W 388 W
03

Full specification

Parameter ME-132BD-655 MD-120 460W Difference
Power and efficiency
Rated power 655 Wp 460 Wp +195 W for ME-132BD-655
Module efficiency 21.11 % 21.35 % +0.24 pp for MD-120 460W
Power density 211.1 Wp/m² 213.5 Wp/m² Effectively the same
Open-circuit voltage 45.70 V 42.60 V 3.10 V apart
Voltage at max power 37.60 V 35.60 V 2.00 V apart
Short-circuit current 18.38 A 13.67 A 4.71 A apart
Current at max power 17.42 A 12.92 A 4.50 A apart
Temperature
Temperature coefficient -0.340 %/°C -0.350 %/°C +0.010 %/°C for ME-132BD-655
Mechanical
Dimensions 2383x1302x30 mm 1902x1133x30 mm 2383x1302x30 mm vs 1902x1133x30 mm
Module area 3.103 m² 2.155 m² 0.948 m² apart
Weight 37.0 kg 22.5 kg -14.5 kg for MD-120 460W
Weight per kWp 56.5 kg/kWp 48.9 kg/kWp -7.6 kg/kWp for MD-120 460W
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation 0.55 %/yr 0.55 %/yr Same
Technology
Cell technology PERC TOPCon PERC vs TOPCon
Cell type Monocrystalline Monocrystalline Same
Cell count 132 120 12 cells apart
Bifacial Yes No Yes vs No
04

Against the whole database

14,129 panels
Efficiency
#9,339 vs #8,528
MD-120 460W leads by 811 places
Power density
#9,348 vs #8,487
MD-120 460W leads by 861 places
Heat behaviour
#8,846 vs #10,489
ME-132BD-655 leads by 1,643 places
Weight
#10,764 vs #2,595
MD-120 460W leads by 8,169 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#987 vs #6,117
ME-132BD-655 leads by 5,130 places
05

More useful comparisons

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

Written summary

07

Questions about this pairing

Which panel is better: AE Solar AE ME-132BD-655 or AE Solar AE MD-120 460W?
According to our database: AE Solar AE MD-120 460 W has higher module efficiency (21.35% vs 21.11%); AE Solar AE ME-132BD-655 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 AE ME-132BD-655 and AE Solar AE MD-120 460W?
AE Solar AE ME-132BD-655 has a module efficiency of 21.11%, while AE Solar AE MD-120 460 W is 21.35%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does AE Solar AE ME-132BD-655 use vs AE Solar AE MD-120 460W?
AE Solar AE ME-132BD-655 uses PERC cells; AE Solar AE MD-120 460 W 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 ME-132BD-655 and AE Solar AE MD-120 460W?
AE Solar AE ME-132BD-655 has a 30 years power warranty; AE Solar AE MD-120 460 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 AE ME-132BD-655 and AE Solar AE MD-120 460W bifacial panels?
AE Solar AE ME-132BD-655 is bifacial (captures light from both faces); AE Solar AE MD-120 460 W is monofacial. Bifacial panels work best on ground mounts or raised structures with a light-coloured surface underneath.

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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.