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365 Wp vs 370 17 of 18 identical Swap Change panels

Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370

Solarwatt
SOLARWATT Panel vision GM 3.0 style 365 Wp
365 Wp 19.60 % PERC Bifacial Incomplete
Open panel page Datasheet PDF
VS
Solarwatt
SOLARWATT Panel vision GM 3.0 style 370
370 Wp 19.90 % PERC Bifacial Incomplete
Open panel page Datasheet PDF
The verdict

370 leads on the differences that matter

The largest is module efficiency: 0.30 pp more efficient. 17 of 18 comparable parameters are identical, with 1 more left out because at least one datasheet does not publish it.

See the one difference
How alike are they
17 of 18 comparable
parameters are identical
identical differs not published
01

What actually differs

1 of 18 parameters
Parameter 365 Wp 370 Difference
Module efficiency 19.60 % 19.90 % 0.30 pp more efficient
02

What it means on a roof

Thirty years of production
A 1.0% first-year loss then 0.40% a year, assumed for both panels, at 1,200 kWh/kWp a year
Same temp coeff. for both panels (-0.340 %/°C), so a warmer roof scales both curves by the same factor: the totals fall together and neither panel gains on the other.
365 Wp
12,246 kWh
370
12,414 kWh
Lifetime gap
168 kWh
Output when it is hot
Rated power carried across the range a module actually sees
Scenario 365 Wp 370
Standard test conditions 25 °C 100.0% of rated power 365 W 370 W
Cool, bright day 40 °C 94.9% of rated power 346 W 351 W
Typical summer roof 55 °C 89.8% of rated power 328 W 332 W
Hot roof 70 °C 84.7% of rated power 309 W 313 W
03

Full specification

Parameter 365 Wp 370 Difference
Power and efficiency
Rated power 365 Wp 370 Wp Effectively the same
Module efficiency 19.60 % 19.90 % +0.30 pp for 370
Power density 194.9 Wp/m² 197.6 Wp/m² Effectively the same
Open-circuit voltage 41.40 V 41.50 V Effectively the same
Voltage at max power 35.00 V 35.50 V Effectively the same
Short-circuit current 11.10 A 11.10 A Same
Current at max power 10.50 A 10.50 A Same
Temperature
Temperature coefficient -0.340 %/°C -0.340 %/°C Same
Mechanical
Dimensions 1780x1052x40 mm 1780x1052x40 mm Same
Module area 1.873 m² 1.873 m² Same
Weight 25.0 kg 25.0 kg Same
Weight per kWp 68.5 kg/kWp 67.6 kg/kWp Effectively the same
Warranty and degradation
Product warranty 30 yrs 30 yrs Same
Performance warranty 30 yrs 30 yrs Same
Annual degradation - - Neither datasheet publishes this
Technology
Cell technology PERC PERC Same
Cell type Monocrystalline Monocrystalline Same
Cell count 120 120 Same
Bifacial Yes Yes Same
04

Against the whole database

14,005 panels
Efficiency
#12,589 vs #12,331
370 leads by 258 places
Power density
#12,658 vs #12,456
370 leads by 202 places
Heat behaviour
#8,778 vs #8,778
Tied - the same position in the database
Weight
#13,326 vs #13,253
370 leads by 73 places
Warranty
#21 vs #21
Tied - the same position in the database
Overall
#10,932 vs #10,604
370 leads by 328 places
05

More useful comparisons

Open the full database
Same series, other bin
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370 Wp
One difference: module efficiency
Same series, other bin
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 365
The same specification on paper
Same series, other bin
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 360
One difference: module efficiency
Same series, other bin
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision GM 3.0 style 360 Wp
One difference: module efficiency
Same manufacturer
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 460 Wp
13 differences, the largest is module efficiency
Same manufacturer
Solarwatt
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp vs Solarwatt SOLARWATT Panel vision M 5.0 455 Wp
13 differences, the largest is module efficiency
06

Written summary

07

Questions about this pairing

Which panel is better: Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp or Solarwatt SOLARWATT Panel vision GM 3.0 style 370?
According to our database: Solarwatt SOLARWATT Panel vision GM 3.0 style 370 has higher module efficiency (19.90% vs 19.60%). See the full spec comparison and 30-year energy simulation above for a complete picture.
What is the efficiency of Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision GM 3.0 style 370?
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp has a module efficiency of 19.60%, while Solarwatt SOLARWATT Panel vision GM 3.0 style 370 is 19.90%. Higher efficiency means more electricity from the same roof area - useful when space is limited.
What cell technology does Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp use vs Solarwatt SOLARWATT Panel vision GM 3.0 style 370?
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp uses PERC cells; Solarwatt SOLARWATT Panel vision GM 3.0 style 370 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 Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision GM 3.0 style 370?
Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp has a 30 years power warranty; Solarwatt SOLARWATT Panel vision GM 3.0 style 370 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 Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision GM 3.0 style 370 bifacial panels?
Both Solarwatt SOLARWATT Panel vision GM 3.0 style 365 Wp and Solarwatt SOLARWATT Panel vision GM 3.0 style 370 are bifacial - they capture reflected light from the ground, which can add 5-15% more annual energy on ground-mount or elevated rooftop installations with a light surface beneath.

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.