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ME-132-660 vs MD-120E 460 9 of 19 identical Swap Change panels

AE Solar AE ME-132-660 vs AE Solar AE MD-120E 460

AE Solar AE ME-132-660
AE ME-132-660
660 Wp 21.27 % PERC
Open panel page Datasheet PDF
VS
AE Solar AE MD-120E 460
AE MD-120E 460
460 Wp 21.35 % PERC
Open panel page Datasheet PDF
The verdict

ME-132-660 leads on the differences that matter

The largest is rated power: 200 W more power. 9 of 19 comparable parameters are identical.

See all 10 differences
How alike are they
9 of 19 comparable
parameters are identical
identical differs
01

What actually differs

10 of 19 parameters
Parameter ME-132-660 MD-120E 460 Difference
Rated power 660 Wp 460 Wp 200 W more power
Weight 31.5 kg 22.5 kg 9.0 kg lighter
Short-circuit current 18.43 A 13.67 A 4.76 A apart
Module area 3.103 m² 2.155 m² 0.948 m² apart
Open-circuit voltage 45.90 V 42.60 V 3.30 V apart
Temperature coefficient -0.340 %/°C -0.350 %/°C 0.010 %/°C better in heat
Current at max power 17.46 A 12.92 A 4.54 A apart
Cell count 132 120 12 cells apart
Voltage at max power 37.80 V 35.60 V 2.20 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-132-660
21,271 kWh
MD-120E 460
14,825 kWh
Lifetime gap
6,446 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario ME-132-660 MD-120E 460
Standard test conditions 25 °C 100.0% of rated power 660 W 460 W
Cool, bright day 40 °C 94.8% of rated power 626 W 436 W
Typical summer roof 55 °C 89.5% of rated power 593 W 412 W
Hot roof 70 °C 84.2% of rated power 559 W 388 W
03

Full specification

Parameter ME-132-660 MD-120E 460 Difference
Power and efficiency
Rated power 660 Wp 460 Wp +200 W for ME-132-660
Module efficiency 21.27 % 21.35 % Effectively the same
Power density 212.7 Wp/m² 213.5 Wp/m² Effectively the same
Open-circuit voltage 45.90 V 42.60 V 3.30 V apart
Voltage at max power 37.80 V 35.60 V 2.20 V apart
Short-circuit current 18.43 A 13.67 A 4.76 A apart
Current at max power 17.46 A 12.92 A 4.54 A apart
Temperature
Temperature coefficient -0.340 %/°C -0.350 %/°C +0.010 %/°C for ME-132-660
Mechanical
Dimensions 2383x1302x30 mm 1902x1133x30 mm 2383x1302x30 mm vs 1902x1133x30 mm
Module area 3.103 m² 2.155 m² 0.948 m² apart
Weight 31.5 kg 22.5 kg -9.0 kg for MD-120E 460
Weight per kWp 47.7 kg/kWp 48.9 kg/kWp Effectively the same
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 PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 132 120 12 cells apart
Bifacial No No Same
04

Against the whole database

14,129 panels
Efficiency
#8,918 vs #8,528
MD-120E 460 leads by 390 places
Power density
#8,785 vs #8,487
MD-120E 460 leads by 298 places
Heat behaviour
#8,846 vs #10,489
ME-132-660 leads by 1,643 places
Weight
#1,830 vs #2,595
ME-132-660 leads by 765 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#796 vs #6,117
ME-132-660 leads by 5,321 places
05

More useful comparisons

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

Written summary

07

Questions about this pairing

Which panel is better: AE Solar AE ME-132-660 or AE Solar AE MD-120E 460?
According to our database: AE Solar AE MD-120E 460 has higher module efficiency (21.35% vs 21.27%); AE Solar AE ME-132-660 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 AE ME-132-660 and AE Solar AE MD-120E 460?
AE Solar AE ME-132-660 has a module efficiency of 21.27%, while AE Solar AE MD-120E 460 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-132-660 use vs AE Solar AE MD-120E 460?
AE Solar AE ME-132-660 uses PERC cells; AE Solar AE MD-120E 460 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 AE ME-132-660 and AE Solar AE MD-120E 460?
AE Solar AE ME-132-660 has a 30 years power warranty; AE Solar AE MD-120E 460 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.

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.