Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W) vs Q-Cells Q.TRON BLK M-G2+ 425
VS
The verdict
G2.H1+/AC (Power class 440W) leads on the differences that matter
The largest is module efficiency: 0.70 pp more efficient. 11 of 19 comparable parameters are identical.
See all 8 differencesHow alike are they
11
of 19 comparable
parameters are identical
parameters are identical
identical
differs
01
8 of 19 parameters
What actually differs
Parameter
G2.H1+/AC (Power class 440W)
G2+ 425
Difference
Module efficiency
22.50 %
21.80 %
0.70 pp more efficient
Power density
225.3 Wp/m²
217.6 Wp/m²
7.7 Wp/m² higher
Rated power
440 Wp
425 Wp
15 W more power
Weight
22.9 kg
21.2 kg
1.8 kg lighter
Temperature coefficient
-0.300 %/°C
-0.290 %/°C
0.010 %/°C better in heat
Cell count
216
108
108 cells apart
Weight per kWp
52.2 kg/kWp
49.9 kg/kWp
2.3 kg/kWp lighter
Dimensions
1722x1134x40 mm
1722x1134x30 mm
1722x1134x40 mm vs 1722x1134x30 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
G2.H1+/AC (Power class 440W)
14,844 kWh
G2+ 425
14,338 kWh
Lifetime gap
506 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario
G2.H1+/AC (Power class 440W)
G2+ 425
Standard test conditions
25 °C
100.0% of rated power
440 W
425 W
Cool, bright day
40 °C
95.5% of rated power
420 W
407 W
Typical summer roof
55 °C
91.0% of rated power
400 W
388 W
Hot roof
70 °C
86.5% of rated power
381 W
370 W
03
Full specification
Parameter
G2.H1+/AC (Power class 440W)
G2+ 425
Difference
Power and efficiency
Rated power
440 Wp
425 Wp
+15 W for G2.H1+/AC (Power class 440W)
Module efficiency
22.50 %
21.80 %
+0.70 pp for G2.H1+/AC (Power class 440W)
Power density
225.3 Wp/m²
217.6 Wp/m²
+7.7 Wp/m² for G2.H1+/AC (Power class 440W)
Open-circuit voltage
39.88 V
39.03 V
Effectively the same
Voltage at max power
33.33 V
32.74 V
Effectively the same
Short-circuit current
13.90 A
13.66 A
Effectively the same
Current at max power
13.20 A
12.98 A
Effectively the same
Temperature
Temperature coefficient
-0.300 %/°C
-0.290 %/°C
+0.010 %/°C for G2+ 425
Mechanical
Dimensions
1722x1134x40 mm
1722x1134x30 mm
1722x1134x40 mm vs 1722x1134x30 mm
Module area
1.953 m²
1.953 m²
Same
Weight
22.9 kg
21.2 kg
-1.8 kg for G2+ 425
Weight per kWp
52.2 kg/kWp
49.9 kg/kWp
-2.3 kg/kWp for G2+ 425
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
108
108 cells apart
Bifacial
No
No
Same
04
14,005 panels
Against the whole database
Efficiency
#4,222
vs
#7,022
G2.H1+/AC (Power class 440W) leads by 2,800 places
Power density
#4,099
vs
#7,172
G2.H1+/AC (Power class 440W) leads by 3,073 places
Heat behaviour
#6,093
vs
#2,165
G2+ 425 leads by 3,928 places
Weight
#5,625
vs
#3,266
G2+ 425 leads by 2,359 places
Warranty
#9,798
vs
#9,798
Tied - the same position in the database
Overall
#7,682
vs
#9,034
G2.H1+/AC (Power class 440W) leads by 1,352 places
05
Open the full database
More useful comparisons
Same series, other bin
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W) vs Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)
One difference: module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W) 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.H1+/AC (Power class 440W) 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.H1+/AC (Power class 440W) vs Q-Cells Q.TRON BLK M-G2.1+/AC (Power class 420W)
5 differences, the largest is module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W) vs Q-Cells Q.TRON BLK M-G2+/AC (Power class 415W)
5 differences, the largest is module efficiency
Same series, other bin
Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2+ 440
3 differences, the largest is module efficiency
06
Written summary
Checking cache...
07
Questions about this pairing
Which panel is better: Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W) or Q-Cells Q.TRON BLK M-G2+ 425?
According to our database: Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) has higher module efficiency (22.50% vs 21.80%); Q-Cells Q.TRON BLK M-G2+ 425 tolerates heat better (temp coeff -0.290%/°C vs -0.300%/°C). 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.H1+/AC (Power class 440W) and Q-Cells Q.TRON BLK M-G2+ 425?
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) has a module efficiency of 22.50%, while Q-Cells Q.TRON BLK M-G2+ 425 is 21.80%. 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.H1+/AC (Power class 440W) use vs Q-Cells Q.TRON BLK M-G2+ 425?
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) uses N-type cells; Q-Cells Q.TRON BLK M-G2+ 425 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.H1+/AC (Power class 440W) and Q-Cells Q.TRON BLK M-G2+ 425?
Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440 W) has a 25 years power warranty; Q-Cells Q.TRON BLK M-G2+ 425 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.
Shop prices: See 28 Q-Cells 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.

