G2+ 425 vs G2.D1+/AC (Power class 435W) 11 of 19 identical Swap Change panels

Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)

Q: Which panel is better: Q-Cells Q.TRON BLK M-G2+ 425 or Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

According to our database: Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W) has higher module efficiency (22.30% 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.

Q: What is the efficiency of Q-Cells Q.TRON BLK M-G2+ 425 and Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 has a module efficiency of 21.80%, while Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W) is 22.30%. Higher efficiency means more electricity from the same roof area - useful when space is limited.

Q: What cell technology does Q-Cells Q.TRON BLK M-G2+ 425 use vs Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 uses N-type cells; Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W) uses N-type. Modern n-type technologies (TOPCon, HJT, BC) typically deliver higher efficiency and lower degradation compared to older PERC (p-type) cells.

Q: What is the warranty on Q-Cells Q.TRON BLK M-G2+ 425 and Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 has a 25 years power warranty; Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W) 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.

Q.TRON BLK M-G2+ 425

425 Wp 21.80 % N-type

Open panel page Datasheet PDF

Q.TRON BLK M-G2.D1+/AC (Power class 435W)

435 Wp 22.30 % N-type

Open panel page Datasheet PDF

The verdict

G2.D1+/AC (Power class 435W) leads on the differences that matter

The largest is module efficiency: 0.50 pp more efficient. 11 of 19 comparable parameters are identical.

See all 8 differences

How alike are they

11 of 19 comparable
parameters are identical

identical differs

What actually differs

8 of 19 parameters

Parameter G2+ 425 G2.D1+/AC (Power class 435W) Difference

Module efficiency 21.80 % 22.30 % 0.50 pp more efficient

Power density 217.6 Wp/m² 222.8 Wp/m² 5.1 Wp/m² higher

Weight 21.2 kg 22.9 kg 1.8 kg lighter

Temperature coefficient -0.290 %/°C -0.300 %/°C 0.010 %/°C better in heat

Weight per kWp 49.9 kg/kWp 52.8 kg/kWp 2.9 kg/kWp lighter

Rated power 425 Wp 435 Wp 10 W more power

Cell count 108 216 108 cells apart

Dimensions 1722x1134x30 mm 1722x1134x40 mm 1722x1134x30 mm vs 1722x1134x40 mm

What it means on a roof

Thirty years of production

Each panel's own declared degradation curve, at 1,200 kWh/kWp a year

Cell temperature

G2+ 425

14,338 kWh

G2.D1+/AC (Power class 435W)

14,676 kWh

Lifetime gap

338 kWh

Output when it is hot

Rated power carried across the range a module actually sees

Scenario G2+ 425 G2.D1+/AC (Power class 435W)

Standard test conditions 25 °C 100.0% of rated power 425 W 435 W

Cool, bright day 40 °C 95.5% of rated power 407 W 415 W

Typical summer roof 55 °C 91.0% of rated power 388 W 396 W

Hot roof 70 °C 86.5% of rated power 370 W 376 W

Full specification

Parameter G2+ 425 G2.D1+/AC (Power class 435W) Difference

Power and efficiency

Rated power 425 Wp 435 Wp +10 W for G2.D1+/AC (Power class 435W)

Module efficiency 21.80 % 22.30 % +0.50 pp for G2.D1+/AC (Power class 435W)

Power density 217.6 Wp/m² 222.8 Wp/m² +5.1 Wp/m² for G2.D1+/AC (Power class 435W)

Open-circuit voltage 39.03 V 39.60 V Effectively the same

Voltage at max power 32.74 V 33.14 V Effectively the same

Short-circuit current 13.66 A 13.82 A Effectively the same

Current at max power 12.98 A 13.13 A Effectively the same

Temperature

Temperature coefficient -0.290 %/°C -0.300 %/°C +0.010 %/°C for G2+ 425

Mechanical

Dimensions 1722x1134x30 mm 1722x1134x40 mm 1722x1134x30 mm vs 1722x1134x40 mm

Module area 1.953 m² 1.953 m² Same

Weight 21.2 kg 22.9 kg -1.8 kg for G2+ 425

Weight per kWp 49.9 kg/kWp 52.8 kg/kWp -2.9 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 108 216 108 cells apart

Bifacial No No Same

Against the whole database

14,005 panels

Efficiency

#7,022 vs #5,100

G2.D1+/AC (Power class 435W) leads by 1,922 places

Power density

#7,172 vs #5,150

G2.D1+/AC (Power class 435W) leads by 2,022 places

Heat behaviour

#2,165 vs #6,093

G2+ 425 leads by 3,928 places

Weight

#3,266 vs #6,443

G2+ 425 leads by 3,177 places

Warranty

#9,798 vs #9,798

Tied - the same position in the database

Overall

#9,034 vs #8,167

G2.D1+/AC (Power class 435W) leads by 867 places

More useful comparisons

Open the full database

Same series, other bin

Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2.H1+/AC (Power class 440W)

8 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

Same series, other bin

Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2+ 435

3 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.C1+/AC (Power class 430W)

6 differences, the largest is weight

Same series, other bin

Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2+ 430

One difference: module efficiency

Same series, other bin

Q-Cells Q.TRON BLK M-G2+ 425 vs Q-Cells Q.TRON BLK M-G2.E1+/AC (Power class 425W)

5 differences, the largest is weight per kwp

Written summary

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Questions about this pairing

Which panel is better: Q-Cells Q.TRON BLK M-G2+ 425 or Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

According to our database: Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435 W) has higher module efficiency (22.30% 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+ 425 and Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 has a module efficiency of 21.80%, while Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435 W) is 22.30%. 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+ 425 use vs Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 uses N-type cells; Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435 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+ 425 and Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435W)?

Q-Cells Q.TRON BLK M-G2+ 425 has a 25 years power warranty; Q-Cells Q.TRON BLK M-G2.D1+/AC (Power class 435 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.

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.