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G2+/AC (Power class 415W) vs G2.H1+/AC (Power class 440W) 14 of 19 identical Swap Change panels

Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)

Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W)
Q.TRON BLK M-G2+/AC (Power class 415W)
415 Wp 21.30 % N-type
VS
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)
Q.TRON BLK M-G2.H1+/AC (Power class 440W)
440 Wp 22.50 % N-type
The verdict

G2.H1+/AC (Power class 440W) leads on the differences that matter

The largest is module efficiency: 1.20 pp more efficient. 14 of 19 comparable parameters are identical.

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

What actually differs

5 of 19 parameters
Parameter G2+/AC (Power class 415W) G2.H1+/AC (Power class 440W) Difference
Module efficiency 21.30 % 22.50 % 1.20 pp more efficient
Power density 212.5 Wp/m² 225.3 Wp/m² 12.8 Wp/m² higher
Rated power 415 Wp 440 Wp 25 W more power
Weight per kWp 55.3 kg/kWp 52.2 kg/kWp 3.1 kg/kWp lighter
Open-circuit voltage 38.47 V 39.88 V 1.41 V apart
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 (-0.300 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
G2+/AC (Power class 415W)
14,001 kWh
G2.H1+/AC (Power class 440W)
14,844 kWh
Lifetime gap
843 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario G2+/AC (Power class 415W) G2.H1+/AC (Power class 440W)
Standard test conditions 25 °C 100.0% of rated power 415 W 440 W
Cool, bright day 40 °C 95.5% of rated power 396 W 420 W
Typical summer roof 55 °C 91.0% of rated power 378 W 400 W
Hot roof 70 °C 86.5% of rated power 359 W 381 W
03

Full specification

Parameter G2+/AC (Power class 415W) G2.H1+/AC (Power class 440W) Difference
Power and efficiency
Rated power 415 Wp 440 Wp +25 W for G2.H1+/AC (Power class 440W)
Module efficiency 21.30 % 22.50 % +1.20 pp for G2.H1+/AC (Power class 440W)
Power density 212.5 Wp/m² 225.3 Wp/m² +12.8 Wp/m² for G2.H1+/AC (Power class 440W)
Open-circuit voltage 38.47 V 39.88 V 1.41 V apart
Voltage at max power 32.34 V 33.33 V Effectively the same
Short-circuit current 13.49 A 13.90 A Effectively the same
Current at max power 12.83 A 13.20 A Effectively the same
Temperature
Temperature coefficient -0.300 %/°C -0.300 %/°C Same
Mechanical
Dimensions 1722x1134x40 mm 1722x1134x40 mm Same
Module area 1.953 m² 1.953 m² Same
Weight 22.9 kg 22.9 kg Same
Weight per kWp 55.3 kg/kWp 52.2 kg/kWp -3.1 kg/kWp for G2.H1+/AC (Power class 440W)
Warranty and degradation
Product warranty 25 yrs 25 yrs Same
Performance warranty 25 yrs 25 yrs Same
Annual degradation 0.33 %/yr 0.33 %/yr Same
Technology
Cell technology N-type N-type Same
Cell type Monocrystalline Monocrystalline Same
Cell count 216 216 Same
Bifacial No No Same
04

Against the whole database

14,005 panels
Efficiency
#8,519 vs #4,222
G2.H1+/AC (Power class 440W) leads by 4,297 places
Power density
#8,791 vs #4,099
G2.H1+/AC (Power class 440W) leads by 4,692 places
Heat behaviour
#6,093 vs #6,093
Tied - the same position in the database
Weight
#9,763 vs #5,625
G2.H1+/AC (Power class 440W) leads by 4,138 places
Warranty
#9,798 vs #9,798
Tied - the same position in the database
Overall
#9,847 vs #7,682
G2.H1+/AC (Power class 440W) leads by 2,165 places
05

More useful comparisons

Open the full database
Same series, other bin
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)
5 differences, the largest is module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.TRON BLK M-G2.C1+/AC (Power class 430W)
3 differences, the largest is module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.TRON BLK M-G2.E1+/AC (Power class 425W)
3 differences, the largest is module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.TRON BLK M-G2.1+/AC (Power class 420W)
One difference: module efficiency
Same manufacturer
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.PEAK DUO ML-G12S.3 / BFG 675
16 differences, the largest is temperature coefficient
Same manufacturer
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) vs Q-Cells Q.PEAK DUO ML-G12S.3 / BFG 670
16 differences, the largest is temperature coefficient
06

Written summary

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07

Questions about this pairing

Which panel is better: Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) or Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)?
According to our database: Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) has higher module efficiency (22.50% vs 21.30%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) and Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)?
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415 W) has a module efficiency of 21.30%, while Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) is 22.50%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) use vs Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)?
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415 W) uses N-type cells; Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) uses N-type. 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 Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W) and Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)?
Q-Cells Q.TRON BLK M-G2+/AC (Power class 415 W) has a 25 years power warranty; Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) has a 25 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.

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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.